You can also obtain information and answers to frequently asked questions from our Mitsubishi website under www.mitsubishi-automation.com. MITSUBISHI ELECTRIC reserves the right to change the specifications of its products and/or the contents of this manual at any time and without prior notice.
Page 5
Instruction Manual Alarm Modems AM and GM series Art-No.: 165590 Version Changes / Additions / Corrections 11/2005 pdp-ck First Edition Mitsubishi Alarm Modem...
Page 7
Security Advice Intended Target Audience This manual is aimed exclusively at suitably qualified electrical engineering specialists that are familiar with the safety standards required for electrical engineering and automation. The engi- neering, installation, commissioning, maintenance and testing of devices must only be carried out by qualified electrical technicians.
Mitsubishi Alarm Modems at a Glance State-Of-The-Art Communication Mitsubishi Alarm Modems at a Glance Mitsubishi Alarm Modems are new automatic modems with a large data memory, several func- tions and integrated Internet technology. They are designed as intelligent communication com- puters with a 32-bit power CPU and a 2 MB non-volatile Flash memory.
The execution of the command can also be acknowledged. 100 SMS switch commands with up to 10 parameters each can be defined as required. PLC variables can be queried simply and quickly by SMS command without the need for a PC. 2 - 1 MITSUBISHI ELECTRIC...
The Mitsubishi Alarm Modems were offered in two equipment versions: GM series (Alarm Modem GSM) and AM series (analog Alarm Modem 56k). The basic functions within these series are identical. Mitsubishi Alarm Modems for GSM (GM) Interfaces MAM-GM6 MAM-GM20 MAM-GM24 RS232 RS232...
RS 485/422 with MAM-GM24 COM2 (RS485/RS422) 5-pin screw terminal configurable over DIP switch Tab. 3-1: Description of the connectors of the Alarm Modem GSM You find the outline of the respective variant in chapter 10. 3 - 1 MITSUBISHI ELECTRIC...
Installation and Mounting Overview of the Connectors 3.1.2 Alarm Modem 56k Se rvi ce Mo dem Mo de Dat a out Lin e Pro ces s Pow er CO M1 CO M2 Fig. 3-2: Overview of all connectors of the Alarm Modem 56k Marking Meaning Line...
Modem Mode (device usable as generic modem via COM1) (red) Transparent Mode (device provides transparent connection) Tab. 3-3: Meaning and function of the LEDs NOTE Operations in progress are continued, but messages cannot be sent until Modem Mode is terminated (see section 7.5.5). 3 - 3 MITSUBISHI ELECTRIC...
Installation and Mounting Mounting Mounting Mount the modem by pushing or snap fitting it onto a DIN rail (top-hat rail 35 mm). Fig. 3-4: Pull out the black tab on the device using a screwdriver and so the device can snap fit to the DIN rail.
If the length of the antenna cable is not sufficient for your requirements you can use a suit- able extension cable purchased as an accessory from a GSM outlet. Take into account the attenuation of these cables that will reduce the antenna gain and observe the relevant speci- fications of the manufacturer. 3 - 5 MITSUBISHI ELECTRIC...
Installation and Mounting Inserting the SIM Card (only GM series) Inserting the SIM Card (only GM series) To insert the SIM card in the modem, open the SIM card holder on the Mitsubishi Alarm Modem by pressing the small button on the right of the holder with a pen or a pointed object. Fig.
3.6.3 Telephone Exchange System When connecting to a telephone exchange (PABX), take care if an outside line prefix is neces- sary, and check with your telephone system documentation if the CLIP feature is supported. 3 - 7 MITSUBISHI ELECTRIC...
Interfaces COM1 – RS232 (Jack) Interfaces The serial interfaces COM1 und COM2 are to connect a PC, a PLC or other devices. NOTE The type and number of interfaces available depend on the type of modem being used. (see section 2.6 and 10.6). COM1 –...
5-pole screw terminal strip on the device. This interface is not galvanically iso- lated. Fig. 4-3: Terminal assignment of the RS485/422 COM2 interface (view from top) NOTE Twisted pair cables are recommended. In RS422 operation and with 4-wire RS485 operation 2 twisted pair cables should be used. 4 - 2 MITSUBISHI ELECTRIC...
Page 23
Interfaces RS485/RS422 Access to the DIP switches A DIP switch is provided for selecting the operating mode at the RS485/422 interface. This is located on the right of the COM2 connection terminal and is accessible after the cover is removed. Fig.
Page 24
The twisted pair cable is to be connected to COM2 Slave 1 T+ to T+ or R+ and for T- to T- or R- R+/T+ according to the opposite sketch. R–/T– Bus Master Slave 2 R+/T+ R–/T– Slave 3 R– T– 4 - 4 MITSUBISHI ELECTRIC...
Interfaces Mitsubishi FX at RS485/422 RS485 4-wire connection (4-wire bus system, full-duplex) The terminals of the 2 twisted-pair cables are wired in the same way as for the RS422 connec- tion. Both twisted-pair cables must be terminated if the Mitsubishi Alarm Modem is installed at the start or end of the bus cables.
0.5 ... 0.6 Nm. b When using the power supply jack, make sure the plug got an pin diameter 2.1 mm, inner diameter 6 mm. b Wiring must be done wit power off only. 5 - 1 MITSUBISHI ELECTRIC...
Page 27
Operation Operation Once all installation steps have been completed, you can start operating the Mitsubishi Alarm Modem. Self-test after power up The Mitsubishi Alarm Modem carries out an extensive self-test after the power supply is switched on. All the LEDs will switch on for test purposes and all three types of memory are checked.
Page 28
NOTE If the Mitsubishi Alarm Modem is being commissioned for the first time, a project must be loaded with the correct PIN for the SIM card. Note the following instructions in section 7.1 (Initial configuration). 6 - 2 MITSUBISHI ELECTRIC...
Configuration and Projects Initial Configuration Configuration and Projects Initial Configuration You can regard a Mitsubishi Alarm Modem (MAM) in the same way as you would consider a PC with an operating system and many communication programs. After the initial power up, the task memory is empty and the MAM “doesn’t know”...
Considerably higher costs may be incurred if the MAM logs into one of these (roam- ing). Moreover, problems may also occur with the sending of SMS messages and e-mails. You can prevent the logging into “foreign” networks by allocating a “home network” to the SIM card. 7 - 2 MITSUBISHI ELECTRIC...
Configuration and Projects Operating Modes: Modem Mode and TiXML Mode Operating Modes: Modem Mode and TiXML Mode TiXML Modus Mitsubishi Alarm Modems (MAM) can handle a wide range of tasks automatically. These tasks are written and configured in TiXML, a variant of the XML standard. This operating mode is called TiXML Mode.
Any terminal program, such as Windows Hyperterminal, can normally be used for entering and transferring TiXML and AT commands. The following COM port settings are recommended: 115.200 bit/s and 8N1 (8 data bits, no parity, 1 Stop bit, Hardware Handshake) 7 - 4 MITSUBISHI ELECTRIC...
Software MX Mitsubishi Alarm Editor MX-MAE Software MX Mitsubishi Alarm Editor MX-MAE MX-MAE is a user-friendly Windows software for configuring MAM functions such as alarms and messages, as well as the reception/sending of messages and the reading of logged data. You use the mouse to configure the recipients, messages and PLC variables for alarm mes- sages.
PLC as a virtual local COM interface for your PC. This transparent modem con- nection allows you to access your PLC using your standard software as if it was connected directly to your PC. You can then carry out any required task remotely. 8 - 2 MITSUBISHI ELECTRIC...
Communication with a PLC PLC Driver in the Mitsubishi Alarm Modem Communication with a PLC Mitsubishi Alarm Modems can communicate with a PLC in two different ways: b The Mitsubishi Alarm Modem can speak the language of your PLC. Technical feature: The required PLC driver is integrated in the Mitsubishi Alarm Modem. b The Mitsubishi Alarm Modem and the PLC can speak a joint language.
Program memory 2 MB Flash-ROM, 1 MB SRAM Data memory 2 MB Flash Memory onboard, non-volatile Expansions 16 MB, 32 MB, 64 MB Flash memory modules System clock Real-time clock, battery-backed Tab. 10-2: System architecture 10 - 1 MITSUBISHI ELECTRIC...
Page 37
Appendix Technical Data of the MAM Series Technical specifications GM series Features Data Network Type GSM/GPRS Class 10, Dual Band 900/1800 MHz (GSM series) FME plug (male), coaxial, Impedance: 50 Ohm, Reception frequency: 925 ... 960 MHz/ 1805 ... 1880 MHz Antenna Transmission frequency: 880 ...
Page 38
5 to 95 % relative humidity, non-condensing air humidity Degree of protection IP20 Degree of pollution Pollution degree 2 Dimensions Width: 88 mm x Height: 57 mm x Depth: 91 mm (without antenna connection) Weight 240 g Tab. 10-7: General data 10 - 3 MITSUBISHI ELECTRIC...
Appendix LEDs, Reset, Update, Error Diagnostics 10.2 LEDs, Reset, Update, Error Diagnostics 10.2.1 LEDs on Restart The Alarm System runs through a memory test after the power supply is switched on, after a factory reset or after new firmware is installed. Power Process Line...
Tab. 10-10: LEDs during Firmware Update The duration of a firmware update may vary according to the operating system and the speed of the serial PC interface (the values shown in the table were achieved at 115,200 baud). 10 - 5 MITSUBISHI ELECTRIC...
Appendix Accessories 10.3 Accessories The following parts can be obtained via Mitsubishi for equipping your Mitsubishi Alarm Modem. Accessories Description MAM-ANT-5A GSM magnetic rod antenna 900/1800 MHz 5 dB (only GM series) GSM bending antenna 900/1800 MHz 0 dB (only GM series) MAM-ANT-ANGLE MAM-232ADP/Blue Blue Adapter (straight cable gender changer, RS232, D-Sub9, plug-plug)
Page 42
Dimensions Appendix 10.5 Dimensions 10.5.1 GM Series Antenna Service Power Process Line Data out Modem Mode SIM-Card Push DC 10...30V COM2 (RS232) COM1 (RS232) Fig. 10-1: Dimensions GM series 10 - 7 MITSUBISHI ELECTRIC...
Page 43
Appendix Dimensions 10.5.2 AM Series Line Service Power Process Line Data out Modem Mode DC 10...30V COM2 (RS232) COM1 (RS232) Fig. 10-2: Dimensions AM series Mitsubishi Alarm Modem 10 - 8...
Page 44
Terminals Appendix 10.6 Terminals 10.6.1 MAM-GMx: Mitsubishi Alarm Modems GSM with RS232 and RS485 MAM-GM6 MAM-GM20 Antenna Antenna Service Service Power Process Line Data out Modem Mode Power Process Line Data out Modem Mode SIM-Card Push SIM-Card Push 10...30 V DC 10...30 V DC...
Page 45
Appendix Terminals 10.6.2 MAM-AMx: Mitsubishi Alarm Modems 56k with RS232 and RS485 MAM-AM6 MAM-AM20 Line Line Service Service Power Process Line Data out Modem Mode Power Process Line Data out Modem Mode 10...30 V DC 10...30 V DC COM1 (RS232) COM2 (RS232) COM1 (RS232) MAM-AM24...
Page 48
MITSUBISHI ELECTRIC HEADQUARTERS EUROPEAN REPRESENTATIVES EUROPEAN REPRESENTATIVES EURASIAN REPRESENTATIVES MITSUBISHI ELECTRIC EUROPE GEVA AUSTRIA UAB UTU POWEL LITHUANIA Kazpromautomatics Ltd. KAZAKHSTAN EUROPE B.V. Wiener Straße 89 Savanoriu pr. 187 2, Scladskaya Str. German Branch AT-2500 Baden LT-2053 Vilnius KAZ-470046 Karaganda Gothaer Straße 8...