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Hitachi EH-RMP2 Applications Manual
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Hitachi EH-RMP2 Applications Manual

Profibus-dp master module 2
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HITACHI PROGRAMMABLE CONTROLLER
PROFIBUS-DP MASTER MODULE 2
(EH-RMP2)
APPLICATION MANUAL
(SERVICE MANUAL)
NJI-621A(X)

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Summary of Contents for Hitachi EH-RMP2

  • Page 1 HITACHI PROGRAMMABLE CONTROLLER PROFIBUS-DP MASTER MODULE 2 (EH-RMP2) APPLICATION MANUAL (SERVICE MANUAL) NJI-621A(X)
  • Page 2 ・Person handling PLC ・Manager after installing PLC Warning (1) Reproduction of the contents of this manual, in whole or in part, without written permission of Hitachi-IES, is prohibited. (2) The content of this document may be changed without notice. (3) While efforts have been made to be accurate, if any wrong or missing information is found, please contact us.
  • Page 3 Safety Precautions Read this manual and related documents thoroughly before installing, operating, performing preventive maintenance or performing inspection, and be sure to use the unit correctly. Use this product after acquiring adequate knowledge of the unit, all safety information, and all cautionary information. Also, make sure this manual enters the possession of the chief person in charge of safety maintenance.
  • Page 4 2. Wiring REQUIRED The PLC must be grounded (FE terminal).  Failure to do so could result in injury to personnel or causing it to malfunction. CAUTION Always use the power supply voltage listed in specifications. Using other voltage may damage the equipment or ...
  • Page 5 4. Preventive maintenance DANGER Do not connect the +/- of the battery in reverse polarity. Do not recharge, disassemble, heat, place in fire, or  short circuit the battery. There is a risk of explosion or fire. PROHIBITED Do not attempt to disassemble, repair or modify any part of the PLC. ...
  • Page 6 Revision History Description of revision Date of Manual number revision The first edition Oct. 2014 NJI-621(X) Support for compatible mode Feb. 2016 NJI-621A(X)

  • Page 7: Table Of Contents

    1-1 to 1-4 1.1 Before use ............................. 1-1 1.2 Item packaged with the module ....................1-1 1.3 System configurations ........................1-2 1.4 Difference between EH-RMP2 and EH-RMP ................1-3 1.5 Replacement from EH-RMP ......................1-4 Chapter 2 Specifications 2-1 to 2-6 2.1 General Specifications ........................
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  • Page 9: Chapter 1 Introduction 1-1 To

    Thank you very much for choosing Hitachi Programmable Controller (hereinafter referred to as PLC), EH-150 series. This manual explains how to use the PROFIBUS-DP master module 2 with the Hitachi EH-150 series Programmable Controller. Read this manual thoroughly and keep for installation operations, maintenance checks and other procedures.

  • Page 10: System Configurations

    Chapter 1 Introduction System configurations EH-RMP2 is master module on PROFIBUS-DP protocol of industrial network. EH-RMP2 is helpful as master controller of PROFIBUS system. Example of system configuration is shown below. EHV+ 9 10 11 EH-IOCP2 1 2 3 EH-RMP2...

  • Page 11: Difference Between Eh-Rmp2 And Eh-Rmp

    EH-RMP2 : Not built-in (Please use a connector which has a termination switch.) EH-RMP2 expands the input and output size to use in PROFIBUS network in comparison with EH-RMP. For this reason, inspite of standard mode / compatible mode, the input data of the PROFIBUS network may be rarely affected under noise environment.

  • Page 12: Replacement From Eh-Rmp

    EH-RMP2 Action Configuration tool Sycon SYCON.net Configurations file is not compatible between EH-RMP and EH-RMP2. Please reconfigure with use of SYCON.net. When reconfiguration, please set 2 byte boundaries in Module Alignment. Refer to section 4.4 for details. Configuration cable D-sub 9 pin Type-B USB cable Please prepare the type-B USB cable.

  • Page 13: Chapter 2 Specifications 2-1 To

    Chapter 2 Specifications General Specifications General specifications are shown in Table 2.1-1. These specifications are common in EH-150 series. Table 2.1-1 General specifications Item Specifications Operating ambient temperature 0 to 55 °C Storage ambient temperature －10 to 75 °C Operating ambient humidity 5 to 95 % RH (no condensation) Storage ambient humidity 5 to 95 % RH (no condensation)

  • Page 14: Functional Specifications

    Chapter 2 Specifications Functional Specifications Functional specifications are shown in Table 2.2-1. Table 2.2-1 Functional specifications Specifications EH-RMP2 Item EH-RMP Standard mode Compatible (Existing model) mode*3 Communication protocol PROFIBUS-DP V0 Range of node address 0 to 125: Setting by configuration tool...

  • Page 15: Name And Function Of Each Part

    Chapter 2 Specifications Name and function of each part EH-RMP2 Name and function of each part Model name 0.16 kg Weight 1] Lock button ( 0.35 lb ) Current consumption 0.78 A (5VDC) Dimensions (mm (in.)) 4] LED display 3] USB communication connector 30 (1.18)
  • Page 16 Power supply error (Green / Red) Flash in green or red Initialization Lit in red Hardware error Lit in green No error Display the EH-RMP2 system status. State Details Power supply error Flash in red Internal error Lit in red WDT error...
  • Page 17 Please set rotary switch to 0 if you use auto addressing function with use of the SYCON.net. If you map each slave I/O address including offset address, please set rotary switch value 1, 2, 3 or 4. When actual input / output sizes exceed setting sizes, EH-RMP2 detects error. 2 – 5...
  • Page 18 Clear mode. When the CPU is switched from RUN to STOP position, [Default setting: OFF] EH-RMP2 outputs the zero data to PROFIBUS. But the link area (WL) is not cleared. Freeze mode. When the CPU is switched from RUN to STOP position, EH-RMP2 holds output data that is last data received.

  • Page 19: Chapter 3 Installation 3-1 To

    Chapter 3 Installation Mounting Module (1) Mounting 1] Hook the lower part of the module to the hole in ② the base. 2] Press in the upper side of the module until it clicks. Note 1: Make sure the module is mounted securely. ①...

  • Page 20: Mountable Slots For Eh-Rmp2

    (1) If you use EHV-CPU16/32/64/128 in CPU module. Maximum 8 link modules (EH-RMP2) can be on base unit. Mountable slot numbers are 0 to 7 as shown in Figure3.2-1. Please note that EHV-CPU16/32/64/128 cannot mount on old model base unit (EH-BS3, EH-BS5, EH-BS8).

  • Page 21: Wiring

    Chapter 3 Installation (4) If you use EH-CPU316A in CPU module. Maximum 2 link modules (EH-RMP2) can be on base unit. Mountable slot numbers are 0 to 7 as shown in Figure3.2-4. Slot No. Figure 3.2-4 Mountable slots for EH-RMP2 (EH-CPU316A)

  • Page 22: Cable Parameters

    Chapter 3 Installation Figure 3.3.2-1 The connector type for EH-RMP2 3.3.3 Cable parameters The bus cable is specified in EN 50170 part 8-2 as “Cable Type A”, and should comply with the parameters in the table below. Cable type B, which is also described in EN 50170, is outdated and should no longer be used.

  • Page 23: Maximum Length Of Bus Segment

    1200 1200 1200 1000 If EH-RMP2 is applied for CE marking (EMC direction), follow the instructions below. 1] Communication cable must be routed in metal duct separated from power or I/O cables as much as CAUTION possible. 2] Use included ferrite core for communication cable with one turn as the picture below.
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  • Page 25: Chapter 4 Operation 4-1 To

    4] Set up the LINK parameter from the programming tool. Refer to section 4.1.4. 4.1.1 DIP switch EH-RMP2 can be configured to run in different modes depending on the requirements. The configuration is accomplished by the switch placed on the left side of EH-RMP2. Downward position is ON Figure 4.1.1-1 Side DIP switch...
  • Page 26 Operating mode selecting OFF (default) OFF (default) Figure 4.1.1-4 Clear mode ②Freeze mode When the CPU is switched from RUN to STOP position, EH-RMP2 holds output data that is last data received. Switch Position Don’t care Operating mode selecting Figure 4.1.1-5 Freeze mode ③Copy mode...

  • Page 27: Rotary Switch

    I/O address including offset address, please set rotary switch value 1, 2, 3 or 4. When actual input / output sizes exceed setting sizes, EH-RMP2 detects error. (For the offset address, please refer to “4.3 Offset address”. ) The input / output area other than the data area mapped by the Configurator are ensured the system area by the setting of the rotary switch.

  • Page 28: Configuration From Configurator

    Chapter 4 Operation 4.1.3 Configuration from configurator The configuration of EH-RMP2 is accomplished by the configurator called SYCON.net. For general information about the configurator, please refer to the manual for this configurator. PC (Installed SYCON.net) USB cable EH-RMP2 EH-IOCP2 Slave unit PROFIBUS cable Figure 4.1.3-1 Configuration from configurator...
  • Page 29 Please set up the I/O assignment from a programming tool before configuration. (1) Set up as shown in Figure 4.1.3-1, turn on power to the EH-RMP2 and connect the USB cable to config port. (If a power supply is turned ON, with a USB cable connected, it will be detected as a device unknown at Windows.)
  • Page 30 Chapter 4 Operation (3) Configuration dialog appears. Select the “Driver”. Check the “netX Driver” and click the “OK” button. ①Click ②Check ③click (4) Double-click the ”netX” in the main screen and select the “Device Assignment” on the same dialog as (3). Wait to complete Scan progress.
  • Page 31 Chapter 4 Operation (5) Right-click the ”netX” in the main screen and click the ”Network Scan”. Then connected modules are found. Click the “Create Devices” button. (6) The following dialog appears after the network scan, click the “OK” button. NOTE) If network scan is executed when configration is not executed, slots over mountable position are displayed as "Empty".
  • Page 32 Download of configuration is started to netX. The following screen appears. When downloading is completed, this dialog disappears. NOTE) Upload function is not supported by EH-RMP2. This is not supported. (9) After download is completed, save the project file by choosing [File] - [Save as …].
  • Page 33 (If it becomes a position which can be arranged, a mouse pointer will change from Double click the “netX”. Hereafter the following figure screen is called as main screen. ①Drag (2) Click the [Vendor] tab and drag the [Hitachi-IES] - [Slave] - [EH-IOCP2] to the pink colored bus. ②Drag ①click...
  • Page 34 ⑤Click (4) Set up as shown in Figure 4.1.3-1. After turning on the power of EH-RMP2, connect the USB cable to config port. (If a power supply is turned ON, with a USB cable connected, it will be detected as a device unknown at Windows.)
  • Page 35 Chapter 4 Operation (6) Double-click the ”netX” in the main screen and select the “Device Assignment” on the same dialog as (5). Wait to complete Scan progress. Select device selection as “all”. Then, device appears. Check the device and click the “OK” button. ②Wait to complete Scan progress.
  • Page 36 (8) After download is completed, save the project file by choosing [File] - [Save as …]. Comfiguration is completed. 1] When EH-RMP2 is power on while connect to PC, PC indicates “unknown USB device”. CAUTION 2] EH-IOCP can’t be supported auto module configuration.

  • Page 37: Configuration From Programming Tool

    CPU module. Link parameter setting is different in standard mode and compatible mode. (1) Standard mode The output area of EH-RMP2 must be fixed 512 words and the output area start address must be fixed 0. The link parameter is set by programming tool which is different depending on CPU module.
  • Page 38 WL200/WL1200/WL2200…WL7200 Input area WL3FF/WL13FF/WL23FF…WL73FF Figure 4.1.4-4 Using area of EH-RMP2 in the link area (Standard mode) The input / output area other than the data area mapped by the Configurator are ensured the CAUTION system area by the setting of the rotary switch. When setting the rotary switch as 1 to 4, please don't use the input / output area other than the data area.
  • Page 39 Operation (2) Compatible mode The output area of EH-RMP2 must be set within 256 words and the output area start address must be fixed 0. The link parameter is set by programming tool which is different depending on CPU module.
  • Page 40 WL3FF/WL13FF/WL23FF…WL73FF ※Unused area can not be used as normal internal output. Figure 4.1.4-8 Using area of EH-RMP2 in the link area (Compatible mode) The input / output area other than the data area mapped by the Configurator are ensured the CAUTION system area.

  • Page 41: Data Format

    Chapter 4 Operation Data format The data format of EH-RMP2 outputs in PROFIBUS network is shown below. PROFIBUS-DP WL** Valid data Can’t use Byte 1 Octet 1 Octet 2 Byte 2 WL** + n Valid data Can’t use Figure 4.2-1 Byte data format for byte oriented slave module...

  • Page 42: Offset Address

    Chapter 4 Operation Offset address EH-RMP2 can use offset address with use of the SYCON.net. EH-RMP2 Slave 1 Input size: 3 words Output size: 2 words Slave 2 Input size: 1 word Output size: 2 words Input and output area of EH-RMP2...
  • Page 43 Chapter 4 Operation If you want to include offset address, change address table with use of the SYCON.net. - Remove the check of Auto addressing - Change the address in slave Figure 4.3-2 Address table setting 4 – 19...

  • Page 44: Assignment Method

    Chapter 4 Operation Assignment method Assignment method can be selected by using SYCON.net in EH-RMP2 (1) Byte boundaries setting The module address is assigned every 1 byte. (2) 2 byte boundaries setting The module address is assigned every 2 bytes.
  • Page 45 Chapter 4 Operation 2 byte boundaries setting.Assignment method sets from Master Settings window of SYCON.net. Figure 4.4-1 Module Alignment setting 4 – 21...
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  • Page 47: Chapter 5 Indications 5-1 To

    Chapter 5 Indications The EH-RMP2 can give indications to the user in two different ways. The first way is via the four indications LED at the top of the module and the second way is via the special internal output of EH-CPU / EHV-CPU or use function block for EHV+, where detailed information about the PROFIBUS-DP network is available for the PLC programmer.

  • Page 48: Status Led

    800 1000 1200 1400 1600 1800 2000 2200 2400 2600 2800 3000 (ms) (d) Configuration data error. When the configuration data of EH-RMP2 is not matched between set data and actual network data, the STATUS LED is triple-flash in green. Configure correct data with use of the SYCON.net. Color: Green...
  • Page 49 800 1000 1200 1400 1600 1800 2000 2200 2400 2600 2800 3000 (ms) (f) Side DIP switch error When the setting of side DIP switch of EH-RMP2 is wrong, the STATUS LED is fifth-flash in green or lit in red. Please set EH-RMP2 side DIP switch to correct setting Color: Green...

  • Page 50: Run Led

    Chapter 5 Indications 5.1.3 RUN LED (a) Communication established. When all slave units are established, the RUN LED is lit in green. Color: Green 1000 1250 1500 1750 2000 (ms) (b) Checking PROFIBUS-DP network. The RUN LED is blinking during checking PROFIBUS-DP network. Color: Green (ms) (c) No communication established.

  • Page 51: Link Information Flag Area

    Chapter 5 Indications Link information flag area In the Link information flag area, programming tool can get valuable information about the PROFIBUS-DP fieldbus. The method to get information is different depending on programming tool. 5.2.1 Get link information (1) If you use LADDER EDITOR (CPU module is EH-CPU316A/516/548). The LADDER EDITOR can get the link information with use of special internal output.
  • Page 52 Chapter 5 Indications (2) If you use Control Editor (CPU module is EHV-CPU16/32/64/128). The Control Editor can get the link information with use of special internal output. Offset address after No.3 link. Start address of LINK No.3: WRF1A0 Start address of LINK No.4: WRF200 Start address of LINK No.5: WRF260 Start address of LINK No.6: WRF2C0 Start address of LINK No.7: WRF320...
  • Page 53 Chapter 5 Indications (3) If you use EHV-CODESYS (CPU module is EHV-CPU1025/1102). The EHV-CODESYS can get the link information with use of function block “GetProfibusInfo”. STRUCT ProfibusInfo: wErrorCode (WORD) byMainState (BYTE) byGlobalErrorBits(BYTE) byErrorNumber (BYTE) <No use> byErrorRemoteAddress (BYTE) <No use> wHeavyBusErrorCount (WORD) wNumRejectedProfibusTelegrams (WORD) wSlaveConfig0_15 (WORD)

  • Page 54: Detail Of Each Information

    Chapter 5 Indications 5.2.2 Detail of each information (a) Error Code. The following error codes can be present in this register. Table 5.2.2-1 Error Code Value Description Hex 00 No error Hex 01 Failed to initialize PROFIBUS-DP master. Hex 02 Start address of link area in the PLC is not zero.
  • Page 55 Chapter 5 Indications (d) Global error bits. Details of global error bits are shown below. Table 5.2.2-4 Global error bits Bit number Description Reserved 1 = HOST is not ready 0 = Normal operation 1 =Bus short circuits detected 0 = Normal operation 1 = Because of heavy bus error, no further bus communication is possible 0 = Normal operation 1 = At least one slave is not in the data exchange mode or reports fatal error...
  • Page 56 MEMO...

  • Page 57: Error Indications Of Eh-Rmp2

    Chapter 6 Troubleshooting Error indications of EH-RMP2 Error indications of EH-RMP2 are shown below. Table 6.1-1 Error Indications of EH-RMP2 Indicate pattern Description Actions ･Check power of power supply module Hardware error Power supply error ･Replace EH-RMP2 PROFIBUS EH-RMP2 RUN ERR...

  • Page 58: New Entry Of Slave Unit To Profibus

    It takes approximately 10 seconds until EH-RMP2 starts I/O communication with the slave devices after the initialization since EH-RMP2 can deal with large size input / output data. Therefore, please not use input / output data of EH-RMP2 until the bits of all using slave state are 1 in the LINK information flag area.

This manual is also suitable for:

Eh-150

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