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MITSUBISHI
ELECTRIC
Mitsubishi Alarm Modem GSM
Installation Manual
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 engineering,
installation, commissioning, maintenance and testing of devices must only be carried out by qualified
electrical technicians. Unless otherwise stated in this manual or other manuals, any intervention in the
hardware and software of our products must only be carried out by our specialists.
Proper Use
Mitsubishi Alarm Modems are only designed for use in the application fields described in this manual.
Ensure that all the specifications stated in this manual are observed. Unqualified interventions in the
hardware or software, and failure to observe the warnings stated in this manual or on the product may
lead to serious injury or material damage. No liability is accepted in such cases and any warranty
claims become invalid.
Models
The Mitsubishi Alarm Modems feature different types and numbers of interfaces, depending on the
model used:
Interface
MAM-GM106
MAM-GM420
COM1
RS232
RS232
COM2
-
RS232
Dimensions
Mounting
Mount the modem by snap fitting it onto a DIN rail (top-hat rail 35 mm).
Watch this when mounting the device:
• The device must only be used in rooms that are dry and clean. Protect the device from humidity,
water splashes or heat.
• The device must not be used in environments containing flammable gases, fumes or dust.
• Do not subject the device to shock or severe vibration.
Terminals
No. Marking
Meaning
1
COM1 (RS232)
9-pin D-Sub jack
2
COM2 (RS232)
9-pin D-Sub plug (MAM-GM420 only)
5 screw terminals (MAM-GM424 only,
2
COM2 (RS485/422)
Bus to be configured via DIP switches)
3
DC 10...30V
Power supply (2 screw terminals)
4
Service
Button
SD Card slot
5
SD-Card
(MAM-GM420 and MAM-GM424 only)
Button, unmounts SD Card
6
Unmount
(MAM-GM420 and MAM-GM424 only)
7
SIM-Card
SIM Card slot
8
Antenna
Antenna plug (FME)
Meaning Of The LEDs
LED
Status
Power
on
(yellow)
off
Process
on
(red)
off
off
Connect
flashes
(green)
every 2 sec
on
Data out
on
(yellow)
off
Modem Mode
on
(red)
off
Signal
red
Active
green
off
SD Card Operation
The MAM-GM4xx modems come with an integrated SD card slot. It can be utilized for transmitting
projects and firmware into the device, and in order to download log-file contents. You may use SD or
MAM-GM424
MMC cards with up to 2 GB size, being formatted under Windows (FAT or FAT32).
RS232
If a memory card is inserted into the running device, it will be mounted automatically. In order to
prevent this, just press the "unmount" button while inserting the memory card.
RS485/422
Before removing the memory card, press the "Unmount" button and wait for all read- or write access to
be finished. This will be noticeable by the "Active" LED going out.
Connecting the GSM antenna
First of all find a suitable location for mounting the GSM antenna outside of the control cabinet. In order
to find a suitable location with a good reception quality you may use the software MX Mitsubishi Alarm
Editor to display the signal quality.
Screw the antenna into the antenna plug on the front of the modem.
Inserting The SIM card
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.
You can now carefully pull out the card holder and insert your SIM card. Then push the SIM card
holder back into the modem until it snaps into position.
Mitsubishi Alpha XL and Mitsubishi FX at RS232 and RS485/422
Alpha XL:
The Mitsubishi Alpha XL is to be connected to the COM ports of the Mitsubishi Alarm Modem (MAM):
• directly by the "AL2-GSM-CAB" cable to COM1
• by the "AL2-GSM-CAB" cable and the "Red Adapter" to COM2
Mitsubishi FX1S, FX1N, FX2N and FX2NC:
The Mitsubishi FX is to be connected to the COM ports of the Mitsubishi Alarm Modem:
• at the Mini-DIN jack of the FX: by the "SC-09" cable and the "Blue Adapter" to COM1
• at the Mini-DIN jack of the FX: directly by the "SC-09" cable to COM2
• at the RS232-BD of the FX: directly by a serial cable (1:1) to COM1
• at the RS232-BD of the FX: by a serial cable (1:1) and the "Red Adapter" to COM2
Bedeutung
Device operational
No power supply
Processing in progress: generating message, changing variables,
executing switch command
Normal operation, no active processing
No connection, not logged onto network
No connection, but logged onto network
Active connection established
Messages to be sent waiting in outbox
No messages to be sent in outbox
Transparent mode (transparent connection to PLC established)
TiXML mode (normal operation)
custom-defined, can be programmed at will
SD card mounted, read or write operation in progress
SD card mounted, no read or write operation in progress
no SD card present, not recognized or unmounted
Power Supply
After all other installation steps are completed, switch on the power supply to the Mitsubishi Alarm
Modem. The device can be connected to the power supply via two screw terminals.
• Use leads with sufficient diameter only.
• Do not use flexible leads with soldered tips.
• Watch currency parameters (10...30 VDC, 0,3 A/ 24 V DC)
• In order to avoid damages, fasten the terminal screws with a torque momentum of 0,5...0,6 Nm.
• Wiring must be done with power off only.
• In order to avoid interference, DC leads should not be placed nearby AC leads.
Operation
Data
Modem
Power Process
Line
Duration: approx. 12 sec
Out
Mode
on
on
Starting Self-test
on
on
on
on
on
Testing LEDs
on
flashes
Testing memory
on
Modem is fully operational
PLC Driver in the Mitsubishi Alarm Modem
Mitsubishi Alarm Modems can communicate with the relevant PLCs using their protocols without
having to load a program, driver or function block into the PLC concerned. They then have direct
access to all variables, markers and I/O on the PLCs. These PLCs are supported:
Alpha XL
MELSEC FX1S/FX1N
MELSEC FX2S/FX2N
For MAM-PLC communication, the internationally standardized fielbus system Modbus (ASCII and
RTU) may be used, too.
Technical Data
ITU-T V.24, V.28, Hardware-Handshake
FIFO 16550, max. 230,400 bps
COM1
D-Sub 9-pole, Socket
Signals: DTR, DSR, RTS, CTS, DCD, GND, RI, RXD, TXD
Transmission distance 12 m
COM2
D-Sub 9-pole, plug, otherwise as for COM1
To EIA/TIA-485, 5-pole screw terminal for T+, T-, R+, R-, 0 V
max 1.5 Mb/s, not isolated
COM2 (RS485/422)
Termination integrated via DIP switches
Transmission distance max.1200 m
(depending on the transmission rate, bus system and cable type)
Network
GSM/GPRS/EDGE, Quadband 850/900/1800/1900 MHz
Multislot Class 10, E-GPRS Mobile Station Class B,
EDGE Features
Coding Schemes MCS 1-9
Multislot Class 10, GPRS Mobile Station Class B, Coding Schemes CS 1-4,
GPRS Features
compliant to SMG31bis
FME jack (male), coaxial, impedance: 50 Ohm.
Receive frequency: 869...894 MHz, 1930...1990 MHz
Antenna
Sending frequency: 824...849 MHz, 1850...1910 MHz
Power output:
2W (850/900 MHz), 1 W (1800/1900 MHz)
GSM: CSD up to 14,4 kbps
Data Transmission
EDGE: max. downlink 220 kbps, max. uplink 100 kbps
GPRS: max. downlink 40 kbps, max. uplink 13 kbps
Fax Group 3, Class 1+2. 2400-14.400 bps
Fax Transmission
ITU-T (V.17, V.29, V.27ter)
Error Correction/Data compression: MNP2, V.42bis
Power Supply
10...30 V DC, max. 0,3 A / 24 V DC, screw terminal 2.5 mm²
LED Display
Power, Process, Line, Data out, Mode, Active, Signal
Operating Elements
2 Buttons
DIN-Rail Casing, for 35mm rail according to EN50022,
Case/Mounting
vertically or horizontally
EMV: EN55022 (5:2008), EN55024 (10:2003);
GSM/GPRS: EN301489-1 V1.6.1
Conformity
EN301489-7 V1.3.1
EN301511 V9.0.2
Safety: EN60950 (11:2006)
Temperature Range
Operation: -20...+60° C, Storage: -30...+70° C
Permissible
5 to 95 % relative humidity, non-condensing
Air Humidity
Degree of Protection
IP20
Degree of Pollution
Pollution degree 2
Dimensions
Width 88mm × Height 58mm × Depth 91mm (w/o antenna jack)
Weight
240g
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