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The user is responsible for all changes and repairs made to the device by the user or the user’s agent. • All new components are to be provided by Siemens Milltronics Process Instruments. • Restrict repair to faulty components only.
Electrode Assembly ..........................16 Pointek CLS500: Standard Level Version ................16 Process Connections ........................16 Seal Types .............................16 Process Connection and Seal Configuration of Pointek CLS500 ........17 Pressure and Temperature Considerations ................17 Pressure/Temperature Curves ..................18 Installation: Pointek CLS500 ..................24 Handling Electrodes ...........................24 Location ..............................25...
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General Purpose Cable Entry: M20 (A5E03252531) and ½" NPT (A5E03252530) ..32 Hazardous Location Cable Entry: M20 (A5E03252528) and ½" NPT (A5E03252527) ...32 Protection for solid-state switch .....................33 Grounding instructions ........................34 Grounding Examples: Pointek CLS500 ...................35 System Grounding (referencing) .....................35 Metal Tanks ..........................35 Cathodically Protected Metal Tanks ..................36 Non-Conductive Tanks ......................36...
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Appendix D: Block Diagram, and Correlation table, mA to % ........ 90 Correlation Table: 0% - 100% to 4-20 mA or 20-4 mA ..............91 Appendix E: Pointek CLS500, dimensions and application examples ....92 Standard rod version ........................92 High temperature rod version ....................93 Standard configuration ......................94...
Pointek CLS500 • This manual applies to Pointek CLS500 only. • This product is intended for use in industrial areas. Operation of this equipment in a residential area may cause interference to several frequency based communications.
This manual will help you set up your Pointek CLS500 for optimum performance. We always welcome suggestions and comments about manual content, design, and accessibility. Please direct your comments to techpubs.smpi@siemens.com. For other Siemens Milltronics level measurement manuals, go to: www.siemens.com/level and look under Level Measurement.
Secondary Variable Lower Range SVLRV 0% equivalent value Value Secondary Variable Upper Range SVURV 100% equivalent value Value Transmitter Variable Upper Range Value value for 100% above which no PV is Upper Sensor Limit anticipated 7ML19985GG03 Pointek CLS500 – INSTRUCTION MANUAL Page 3...
Pointek CLS500 can be used as a pump controller, by connecting the 2-state mA output and/or the solid state switch to a relay, and activating a pump via an auxiliary power circuit.
<0.1% of actual measurement value Repeatability 0. 1 % actual measurement Temperature stability 0.15 pF (0pF) or <0.25% (typically <0.1%) of actual measurement value, whichever is greater over the full temperature range of the transmitter 7ML19985GG03 Pointek CLS500 – INSTRUCTION MANUAL Page 5...
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0 to 9, A to F Push-buttons: RED (+), BLUE (–) used in conjunction with rotary switch, for programming menu items Communications HART Communication protocol HART® is a registered trademark of the HART Communication Foundation. Page 6 Pointek CLS500 – INSTRUCTION MANUAL 7ML19985GG03...
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5 kg Flange Standards Please see on page 95 for a table showing flange sizes. Only available as Rod version, max. length 1000 mm (39”). Teflon® is a registered trademark of Dupont. 7ML19985GG03 Pointek CLS500 – INSTRUCTION MANUAL Page 7...
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Div. 1, Gr. A,B,C,D T4] no longer available. For CLS500 devices purchased prior to June 2008 with IS approval, refer to Instruction Manual 7ML19985GG01, Edition 1.0. Go to www.siemens.com/pointek. From the CLS500 product page, search the Instructions and Manuals archive.
Pointek CLS500 variable frequency oscillator The Pointek CLS500 probe is equipped with a variable frequency oscillator which responds to the capacitance. A change in capacitance is registered as a change in frequency.
1pF (within a range of 330 pF). The Pointek CLS500 electrode The Pointek CLS500 electrode, comprising a measurement section and an active shield section, is the primary sensor of the system. It supplies the electrical capacitance value of the measurement section relative to the environment.
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The relative lengths of the measurement section and active shield section can be specified to suit a particular application. If the measured range will be short relative to the total length of the electrode, specify a short measurement section. This increases the 7ML19985GG03 Pointek CLS500 – INSTRUCTION MANUAL Page 11...
The entire Pointek CLS500 transmitter is potted in epoxy resin as part of the intrinsic safety protection. The potting also protects the electronics against mechanical vibration and moisture influences.
• via HART Via the loop current When using the mA signal, Pointek CLS500 operates according to NAMUR standards fault signalling. The fault/failure signal can be triggered by a failure in the measuring system, such as: •...
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FailSafe Mode at menu 1E provides a shortcut, by contrast with Free Programming Mode where all menu items are completely independent. You can make the same selections in FPM, but you need to set each menu item individually. Page 14 Pointek CLS500 – INSTRUCTION MANUAL 7ML19985GG03...
Pointek CLS500 Electrode (Probe) Characteristics Apply to all general connection configurations: • The standard Pointek CLS500 insulated electrode is designed for use in both conducting and non-conducting liquid applications. • Most electrodes consist of an active shield portion and a measurement portion, which combine to form the complete electrode.
92. Electrode Assembly Pointek CLS500 electrodes come in a variety of formats to provide the necessary characteristics for correct mounting, chemical compatibility, temperature and pressure requirements, and dielectric constant of the medium. The main body of the manual Appendix E: Pointek discusses the standard configuration.
Single Cone HP/HT Primary graphite seal, and glass seal Note: Pointek CLS500 HP (high pressure version) is only supplied with enamel insulation. A primary graphite seal plus a secondary redundant seal is provided between the electrode and the instrument body.
Pressure/Temperature Curves Rod probes, threaded process connections (7ML5601) Example Permitted opterating pressure = 137 bar (1988 psi) at 75 ºC P = Permitted Operating Pressures T = Permitted Operating Temperature Page 18 Pointek CLS500 – INSTRUCTION MANUAL 7ML19985GG03...
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Rod probes, ASME flanged process connections (7ML5602 and 7ML5603) ASME 300 lb ASME 150 lb P = Permitted Operating Pressures T = Permitted Operating Temperature 1) The curve denotes the minimum allowable flange class for the shaded area below. 7ML19985GG03 Pointek CLS500 – INSTRUCTION MANUAL Page 19...
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Rod probes, EN flanged process connections (7ML5602 and 7ML5603) PN 25 PN 16 P = Permitted Operating Pressures T = Permitted Operating Temperature 1) The curve denotes the minimum allowable flange class for the shaded area below. Page 20 Pointek CLS500 – INSTRUCTION MANUAL 7ML19985GG03...
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(7ML5604) P = Permitted Operating Pressures T = Permitted Operating Temperature PN 40 PN 25 PN 16 1) The curve denotes the minimum allowable flange class for the shaded area below. 7ML19985GG03 Pointek CLS500 – INSTRUCTION MANUAL Page 21...
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P = Permitted Operating Pressures T = Permitted Operating Temperature ASME 900 lb ASME 600 lb ASME 300 lb ASME 150 lb 1) The curve denotes the minimum allowable flange class for the shaded area below. Page 22 Pointek CLS500 – INSTRUCTION MANUAL 7ML19985GG03...
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P = Permitted Operating Pressures T = Permitted Operating Temperature PN 63 PN 40 PN 25 PN 16 1) The curve denotes the minimum allowable flange class for the shaded area below. 7ML19985GG03 Pointek CLS500 – INSTRUCTION MANUAL Page 23...
Most electrodes use PFA insulation, a very dense and reliable type of Teflon® that prevents leakage and corrosion of the metal electrode and acts as an insulator when conductive materials are being measured. Page 24 Pointek CLS500 – INSTRUCTION MANUAL 7ML19985GG03...
Location Pointek CLS500 is normally mounted on the vessel top (high detection alarm) or through the tank wall at the detection level (high or low detection alarm). Horizontal Angle Vertical Mounting Instructions Pointek CLS500 is easily installed: simply mount the instrument on the process connection of the vessel.
Sensors must be at least 500 mm (20”) apart: mount them diagonally if vertical space is restricted. 500 mm (20”) min. 500 mm (20”) min. 500 mm (20”) min. These drawings are not to scale. Note: Page 26 Pointek CLS500 – INSTRUCTION MANUAL 7ML19985GG03...
Install a protective cover to protect the probe from falling material. CAUTION: Consider material surface configuration when installing unit Build-up of material in Active Shield area does not adversely affect switch Note: operation. 7ML19985GG03 Pointek CLS500 – INSTRUCTION MANUAL Page 27...
The loop-circuit will withstand voltages up to 250 Vac/Vdc without any damage. Pointek CLS500 uses a switched power supply circuit, which makes the most efficient use of the available power present on the terminals. If the signal current is low (4mA) the...
For a multi-drop application, where the measuring supply is fixed to 4 mA, the voltage on the terminals of the Pointek CLS500 should be at least 12 V. The loop circuit is completely isolated from the measurement circuit. It is designed so that the internal capacitance and inductance on the terminals are isolated, and are not a factor in safety calculations.
With three devices, at 3 x 68 nF, the allowable cable length will be considerably limited. Notes: • If the device is part of a multi-drop setup, Pointek CLS500 sets the current to 4 mA, which inhibits analog signalling, including fault signalling. •...
WARNING: Damage or removal of the protective label voids the warranty for the Pointek CLS500. Loosen the retaining set-screw and remove the enclosure cover. Loosen the cable gland and thread the cable through it.
Recommended Cable Entries (equivalents can be used) General Purpose Cable Entry: M20 (A5E03252531) and ½" NPT (A5E03252530) 24 mm 24 mm 6 mm (0.24") 13 mm (0.51") (0.94") (0.94") M20 x 1.5 ½" NPT Strip cable and expose braided shield. Feed cable through dome nut and clamping insert.
• For ac circuits: connect a Voltage Dependent Resistor (VDR) or other ac compatible component (such as zeners and protection diodes in combination) in the correct polarity across the relay coil. 7ML19985GG03 Pointek CLS500 – INSTRUCTION MANUAL Page 33...
1mm • The Pointek CLS500 measurement circuit is completely isolated from the loop circuitry: this allows either line of the loop circuit to be grounded if requirements for Ex safety are followed and if the power supply voltage is less than 33 Vdc.
Metal Tanks If the metal tank is reliably grounded, connect the ground lug on the Pointek CLS500 to the earth ground on the tank as shown. (See page 33 for connection diagram.) metal If the grounding reference is not the tank wall, connect the ground lug to another object that has conductive characteristics and that is reliably grounded.
The ground lug on Pointek CLS 500 can be connected to the tank as shown. (See page 33 for further grounding details.) Grounding Pointek CLS500 as illustrated above provides only system grounding Note: for referencing purposes: it does not provide safety grounding. ground lug Non-Conductive Tanks...
DIN rail inside a customer-supplied enclosure located in the non-hazardous area. Example 1 If no specific Ex conditions apply, Pointek CLS500 can be directly connected to the DCS. The supply voltage, however, should remain within the limits set by the Pointek CLS500.
The internal diagnostic functions continuously monitor the operation of the transmitter. An error signal is generated if a failure or irregularity occurs. Pointek CLS500 sends the signal current according to the NAMUR NE 43 recommendation. During normal operation the current remains within the range from 3.8 to 20.5 mA.
Upper and Lower Threshold, (menus 13 and 14) and the corresponding delays (menus 15 and 16). Set up using push-buttons (for overfill protection) on page 51. FailSafe Mode on page 81, for details. 7ML19985GG03 Pointek CLS500 – INSTRUCTION MANUAL Page 39...
When the solid-state switch control is disabled at menu 17, the threshold delay settings are unavailable. See page 96 for details of a typical application using Pointek CLS500 to provide a high alarm via the current loop, and a high-high alarm using the solid-state switch.
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Setting Description FINAL ASSEMBLY NUMBER "customer input data via HART" TV1 Units UNDEFINED TV1 LRV 0 [switch position (0)E, TV1] TV1 URV 1.0 [switch position (0)F, TV1] 7ML19985GG03 Pointek CLS500 – INSTRUCTION MANUAL Page 41...
User Interface: Pointek CLS500 The Pointek CLS500 user interface consists of the display (LCD), the rotary switch and two push-buttons. The rotary switch enables you to select a particular item and/or variable for read-out and/or adjustment: the push-buttons allow you to select and/or alter a read-out or a value.
For a chart showing the rotary switch positions and related functions when Fail- Safe High or FailSafe Low mode is selected, see page 48. (If Free Programming Rotary Switch Positions – Quick Reference (FPM Mode) Mode is selected, see on page 111.) Page 44 Pointek CLS500 – INSTRUCTION MANUAL 7ML19985GG03...
Transmitter Variable 1 (TV1) is a computed variable: the dynamic value is a computed derivative from the range settings for TV0. Transmitter Variable User-defined Functions Units Fixed to pF URV, LRV, Damping, USL and LSL Can be user-defined 7ML19985GG03 Pointek CLS500 – INSTRUCTION MANUAL Page 45...
HART (for instructions, see page 54) Quick Start We strongly recommend you read the full manual to use your Pointek CLS500 to its fullest potential. However, if you can bring the product to the 0% and 100% point level, you can use the Quick Start sequence on page 47 to set up the instrument and get started.
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(The LCD will blink if the probe is uncovered.) In all cases: View primary variable (PV): menu 00 Turn the rotary switch to 0. The LCD displays the actual pF reading. Pointek CLS500 is now ready to operate. 7ML19985GG03 Pointek CLS500 – INSTRUCTION MANUAL Page 47...
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Upper Thresh- Lower Thresh- Solid State S(afe) Normal / Var 1 S(afe) Keylock RED (+) 00 to 0F tings) Delay Time Delay Time old Point old Point Output H(igh) Inverse Read-Out H(igh Level 7ML19985GG03 Pointek CLS500 – INSTRUCTION MANUAL Page 48...
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Time Time Threshold Threshold Solid State Operating Var 3 P(rogramming) Keys Level 00 < - > 100 00 < - > 100 Point to 75% Point to 25% Output Mode Read-Out M(ode) 7ML19985GG03 Pointek CLS500 – INSTRUCTION MANUAL Page 49...
Set display for dynamic PV (primary variable): select values displayed as units (pF) • Pointek CLS500 is ready to operate For instructions on setting up Pointek CLS500 or dry-run protection, see page 52. Page 50 Pointek CLS500 – INSTRUCTION MANUAL...
View primary variable: menu 00 Turn the rotary switch to 0: the LCD displays the actual pF reading. Pointek CLS500 is now ready to operate. If the stepsize is too large, see page 53 for details on adjusting the stepsize.
(The LCD will start blinking if the probe is considered uncovered.) View primary variable: menu 00 Turn the rotary switch to 0: the LCD displays the actual pF reading. Pointek CLS500 is now ready to operate. Notes: • During normal operation, the 4 and/or 20 mA point can be calibrated at any time.
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Decrease needed is 11, but setting for stepsize is 10: menu 09 set to U: 10. Press BLUE (–) button to reduce stepsize to 1: LCD displays U: 1.0. Return to OF, and decrease value to 17.00 (m). 7ML19985GG03 Pointek CLS500 – INSTRUCTION MANUAL Page 53...
Setup using HART You can set up Pointek CLS500 transmitter using HART, with a HART communicator; a laptop running Simatic PDM, or with the Host system (DCS). The local circumstances determine the easiest method. If you can bring the product to the 0% and 100% point level, setup is simple.
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Select: Send (the values are now sent) b. Select: Put loop in manual c. Select: Return loop to auto If the DCS and/or the 275 are fitted with the Device Descriptor for Pointek CLS500, more functions can be used. The available functions are:...
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Read analog threshold settings (156) Write digital threshold settings (157) Read digital threshold settings (160) Write timers analog signalling (161) Read timers analog signalling (162) Write timers digital signalling (163) Read timers digital signalling Page 56 Pointek CLS500 – INSTRUCTION MANUAL 7ML19985GG03...
Test Function Auto Self-testing Pointek CLS500 continuously performs a variety of tests to verify that the device is functioning correctly. These include a test where a known capacitor is applied to the input of the device. The internal results must match the known capacitance value. If a deviation is detected the Fault/Failure can be flagged with a pre-set loop-current (user configurable) and as a status in each HART message.
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If it does, switch the output current to 4 mA and check the current through the loop, then to 20 mA and check the current through the loop. After the test, replace the plug. Page 58 Pointek CLS500 – INSTRUCTION MANUAL 7ML19985GG03...
If the LCD displays a negative reading, typically around 100 pF, this often indicates a short circuit in the probe assembly: • Check the enclosure and make sure no water has got in. • Check that all the connections in the probe assembly are solid. 7ML19985GG03 Pointek CLS500 – INSTRUCTION MANUAL Page 59...
ADC Usually indicates a fault in the connection PV value is outside the limits set between the transmitter module and the probe (USL and LSL) (the coaxial connector is off) Page 60 Pointek CLS500 – INSTRUCTION MANUAL 7ML19985GG03...
Menu 12 Menu 19 Menu 1E Menu 1F page 80 see page 79 see page 80 see page 81 see page 82 Only 29 of the possible 32 items are currently used. 7ML19985GG03 Pointek CLS500 – INSTRUCTION MANUAL Page 61...
10, 100, and 1000 (1E3), or down to 0.1 and 0.01. 3. Press and hold both buttons simultaneously to restore the value to U:1.0 Page 62 Pointek CLS500 – INSTRUCTION MANUA 7ML19985GG03...
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Press and hold both buttons simultaneously to take the current PV reading as the new setting. For example, in an application with an agitated surface. This option is available, but not useful for Pointek CLS500. 7ML19985GG03 Pointek CLS500 – INSTRUCTION MANUAL...
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The default mode for Pointek CLS500 is FailSafe High (set at menu 1E): this sets menu 07 to 2-state mode, and menu 08 to FailSafe High. Only if Pointek CLS500 is used in Free Programming Mode can Analog mode be selected at menu 07.
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When the new setting exceeds that of the Limit Settings (Menu 0C and 0B), the new value is rejected and the previous value remains unchanged. Delta Range Setting application For more details, see on page 97. This option is available but not useful for Pointek CLS500. 7ML19985GG03 Pointek CLS500 – INSTRUCTION MANUAL Page 65...
(SIM) function has been selected via HART, the LCD alternately displays the text SIM or the applied simulation value for the duration of the simulation. This option is available but not useful for Pointek CLS500. Page 66 Pointek CLS500 – INSTRUCTION MANUA...
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Units (or % of range Dynamic Value (PV) selected in menu 01 Available but not useful for Pointek CLS500. To change from menu 10 to menu 00: 1. Set the rotary switch to 0. 2. Press the RED (+) button for about a second. The LCD briefly displays : M 00 followed by : SEL 0, to indicate that menu 00 is selected.
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Dynamic Value simultaneously Invalid Display selection shows 0.00 The units are pF: there is no other option. TV2 and TV3 are not currently used, but are available for future development. Page 68 Pointek CLS500 – INSTRUCTION MANUA 7ML19985GG03...
When FSH/FSL mode is selected at menu 1E, the mA signal is either 20 or 4 mA The continuous mA signal is available only when FPM mode is selected at menu 1E. 7ML19985GG03 Pointek CLS500 – INSTRUCTION MANUAL Page 69...
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2. Set the rotary switch to 5. 3. Press the RED (+) or BLUE (–) button to increase or decrease the value. or: Press and hold a button to start a repeat function. Page 70 Pointek CLS500 – INSTRUCTION MANUA 7ML19985GG03...
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C: Lo selects a 4 mA signal for a covered probe, which switches to 20 mA if the probe becomes uncovered. Pointek CLS500 is most often used in FSH or FSL mode: Free Programming Mode (FPM) can be selected at menu 1E. See page 72 for detailed instructions.
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Unavailable when FSH or FSL mode is selected at menu 1E: available only if FPM (Free Programming Mode) is selected. This option is available, but not useful for Pointek CLS500. While button is pressed, display reads C: Hi. When button is released, display shows 20.00 if the probe is covered, or 4.00 if it is uncovered.
17, these menu selections display only - - - -.) Fault Signalling For detailed information, see on page 13. This option is only available if FPM is selected at menu 1E. 7ML19985GG03 Pointek CLS500 – INSTRUCTION MANUAL Page 73...
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2. Press the RED (+) or BLUE (–) button to increase or decrease the value. or: Press and hold a button to start a repeat function. or: Press both buttons simultaneously to toggle the value between minimum (0) and maximum (100). Page 74 Pointek CLS500 – INSTRUCTION MANUA 7ML19985GG03...
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When the solid-state switch control (Menu 17) is disabled, menu 15 displays only - - - -. When the solid-state switch control is enabled, menu 15 displays the Upper Threshold setting in percent. As an extra identifier, an upward ramp is displayed to the right of the value. 7ML19985GG03 Pointek CLS500 – INSTRUCTION MANUAL Page 75...
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1. Set the rotary switch to 6. 2. Press the RED (+) or BLUE (–) button to increase or decrease the value. or: Press and hold a button to start a repeat function. Page 76 Pointek CLS500 – INSTRUCTION MANUA 7ML19985GG03...
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If digital fault signalling is enabled at menu 18, it takes precedence, and no equal sign will appear in the display for menu 17 if the device is responding to a fault. 7ML19985GG03 Pointek CLS500 – INSTRUCTION MANUAL Page 77...
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17. If a fault is detected the switch will be on and contact closed. This setting provides high current (20 mA) in a fault situation, and no current in normal conditions. Page 78 Pointek CLS500 – INSTRUCTION MANUA 7ML19985GG03...
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PLC/DCS system: if the normal state is non-alarm, changing the state should generate an alarm. The outputs stay in the opposite state as long as both buttons are pressed. 7ML19985GG03 Pointek CLS500 – INSTRUCTION MANUAL Page 79...
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Display shows inv 1. Set the rotary switch to 9. 2. Press both buttons simultaneously for more than one second to toggle between the two modes, effectively switching the values for LRV and URV. Page 80 Pointek CLS500 – INSTRUCTION MANUA 7ML19985GG03...
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FailSafe Mode at menu 1E provides a shortcut, by contrast with Free Programming Mode where all menu items are completely independent. You can make the same selections in FPM, but you need to set each menu item individually. 7ML19985GG03 Pointek CLS500 – INSTRUCTION MANUAL Page 81...
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PL 2 PH 2 adjustments Disables all changes PL 3 PH 3 1. Set the rotary switch to F. 2. Press the RED (+) or BLUE (–) button to change the setting. Page 82 Pointek CLS500 – INSTRUCTION MANUA 7ML19985GG03...
Solid-state switch / current-loop, output functions due to Faults are disabled: Simulation is active. Transmitter Variable TVO driven by simulation value: F: – – Current-loop, current goes to 22 mA when Fault detected: 7ML19985GG03 Pointek CLS500 – INSTRUCTION MANUAL Page 83...
Communications Foundation. The HART DD for Pointek CLS500 will be released in 2003. Please check availability with the HART Communications Foundation. Older versions of the library will have to be updated in order to use all the features in Pointek CLS500. Simatic Process Device Manager (PDM): This software package is designed to permit easy configuration, monitoring, and troubleshooting of HART and Profibus PA devices.
Pointek CLS500 DD Menu/Variable Organization Root Menu Device Setup Menu Process Variables Auto Calibration Menu Device setup menu Sensor digital value Process variables menu Applied rerange PV digital value Input percent range Diagnostics/service Keypad rerange PV upper range value A0 analog value...
Bit #0: Primary Variable Out of Limits This flag is set whenever the Transmitter Variable #0 (in pF), the Primary Variable exceeds the Sensor Limits returned with Command 14, Read Primary Variable Sensor Limits. Page 86 Pointek CLS500 – INSTRUCTION MANUAL 7ML19985GG03...
HART Conformance and Command Class Pointek CLS500 transmitter Conformance and Command Class summary. Command Description Usage Number Conformance Class #1 Return Unique Identifier Universal Read Primary Variable Conformance Class #1A Return Unique Identifier Universal Read PV Current and Percent of Range...
Read Delay Timers Digital Signalling General Transmitter Information Damping information The Pointek CLS500 transmitter implements damping on most of the transmitter variables. The damping setting may vary from 1 (shortest value) to 10000 (longest value). Non-volatile Memory Data Storage The flags byte of Command #0 referenced in the Universal Command Specification...
MultiDrop operation Pointek CLS500 transmitter supports MultiDrop Operation. Burst mode Pointek CLS500 transmitter does not support Burst Mode. Units conversions The Transmitter Variable #0 Units are in pF and cannot be changed. The Transmitter Variable #1 Values may be set to any Units and Value with Command #140.
Correlation Table: 0% - 100% to 4-20 mA or 20-4 mA Range 0 - 100 % Current in mA Range 100 - 0 % 10.4 11.2 12.0 12.8 13.6 14.4 15.2 16.0 16.8 17.6 18.4 19.2 20.0 7ML19985GG03 Pointek CLS500 – INSTRUCTION MANUAL Page 91...
Appendix E: Pointek CLS500, dimensions and application examples Standard rod version Threaded Flanged transmitter/ transmitter/ electronics electronics 20 mm (0.79”) insulated insulated probe probe inactive tip inactive tip ø16 mm ø16 mm (0.63”) (0.63”) 1) Minimum Y02 (active shield length) = 50 mm (1.96”) Page 92 Pointek CLS500 –...
Application Example Pointek CLS500 can be applied to a multitude of tasks: a generic example is shown below. Point level detection with High and High-High alarm • The signal current provides the High alarm: it should be 4 mA below the analog switch point and toggle to 20 mA above it.
Set 2-state signalling and Upper Range Value to ensure the level never rises above the product exit opening:. 75.8 pF updated URV after Delta Range setting applied menu 0E LRV 0% 72.5 pF (Highest level under product exit normal conditions) product entry 7ML19985GG03 Pointek CLS500 – INSTRUCTION MANUAL Page 97...
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When the product is at the highest desired level, press both buttons at menu OE to take the environmental initial capacitance value as LRV (0%). (Values shown are for demonstration purposes only.) Page 98 Pointek CLS500 – INSTRUCTION MANUAL 7ML19985GG03...
When the product is at the lowest level under normal conditions, press both buttons at menu OF to take the environmental initial capacitance value as URV (100%). (Values shown are for demonstration purposes only.) 7ML19985GG03 Pointek CLS500 – INSTRUCTION MANUAL Page 99...
The application will determine which of these two ranges is more desirable. Pointek CLS500 can be set for 3.6 mA, or 22 mA, as required. It may also signal a process level outside the Upper and Lower Sensor Limits, if Fault the unit has been programmed for this.
Many conductive liquids/electrolytes exhibit dielectric properties; the relative dielectric constant of water is 80. 7ML19985GG03 Pointek CLS500 – INSTRUCTION MANUAL Page 103...
40 non-conductive tanks 36 for solid-state switch, details 33 system grounding, referencing 35 safety grounding HART examples 37 conformance and command class 87 documentation 84 response code information 86 7ML19985GG02 Pointek CLS500 – INSTRUCTION MANUAL Page 105...
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5 system grounding referencing 35 test function auto self-testing 57 transmitter general information (HART) 88 operating principles 9 values as percent 62 voltage requirements 5 supply requirements 28 wetted parts specifications 7 Page 106 Pointek CLS500 – INSTRUCTION MANUAL 7ML19985GG02...
(The LCD will blink if the probe is uncovered.) In all cases: View primary variable (PV): menu 00 Turn the rotary switch to 0. The LCD displays the actual pF reading. Pointek CLS500 is now ready to operate. 7ML19985GG03 Pointek CLS500 – INSTRUCTION MANUAL Page 107...
Upper Thresh- Lower Thresh- Solid State S(afe) Normal / Var 1 S(afe) Keylock KeyRED 00 to 0F tings) Delay Time Delay Time old Point old Point Output H(igh) Inverse Read-Out H(igh Level Page 108 Pointek CLS500 – INSTRUCTION MANUAL 7ML19985GG03...
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Time Time Threshold Threshold Solid State Operating Var 3 P(rogramming) Keys Level 00 < - > 100 00 < - > 100 Point to 75% Point to 25% Output Mode Read-Out M(ode) Page 109 Pointek CLS500 – INSTRUCTION MANUAL 7ML19985GG03...
Free Programming Mode Pointek CLS500 is most often used in FailSafe High or FailSafe Low mode (with linked alarm and fault signalling functions) selected at menu 1E. However, Free Programming Mode is an alternative. In Free Programming Mode all menu items operate independently, and continuous level measurement, with a mA signal proportional to level, is available.
Solid State for Solid State Operating Var 3 Keys (M(ode) Level 00 < - > 100 00 < - > 100 Point to 75% Point to 25% Mode Read-Out Cov.=Off Disabled Page 111 Pointek CLS500 – INSTRUCTION MANUAL 7ML19985GG03...