Intelligent Modbus SMS/GSM Alarm Controller. Supports Modbus RTU Protocol.  Supports operating temperatures from -25C to +75C.

GT-531

Intelligent Modbus SMS/GSM Alarm Controller. Supports Modbus RTU Protocol. Supports operating temperatures from -25C to +75C.

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Features

GT-531 is an intelligent Modbus SMS/GSM Gateway for industry M2M applications. It is convenient for users to apply to M2M applications with the host like PC, PLC, HMI and PAC. It supports UNICODE format for users to send SMS messages to the specific mobile phones by Modbus protocol with various language. That can make the current system to M2M applications. Moreover, the GT-531 also supports the sound alarm application with the pre-defined voice files. It can be used to inform operator the urgent event immediately. For managing more GT-53x series remotely, ICP DAS provides SMS DBS software for users to apply in the system.  

Therefore, the GT-531 can be a powerful tool allowing you to use your mobile phone to monitor and control your business from any location.

GT531AP

Features

  • Support Quad-band 850/900/1800/1900 MHz frequency
  • Support Modbus RTU slave protocol
  • Support max. 256 short messages and voice alarms
  • Support max. 70 Unicode Characters
  • Easy to setup and configure
  • Escalation and reminder function
  • Up to 256 mobile phones can be alerted for each alarm point
  • These phone numbers can be divided into groups
  • Configurable SMS messages
  • The content of sending SMS message can be changed by Modbus protocol
  • Built-in Watch-dog Function
  • Industrial Design with Surge Protection
  • 1 RS-485, 2 RS-232 port
  • Support micro SD card. (option , max. 2G bytes)
  • Support DC +10 VDC ~ +30 VDC Power Input
  • DIN Rail design

Specifications

System
CPU
32 bit CPU
SRAM
64 Kbytes
Flash Memory
512 Kbytes
WDT(watchdog)
Yes
SD interface
2GB max (option)
Serial ports
COM1
RS-232 : TxD,RxD,GND, Configuration and Debug
COM2
RS-232 : TxD,RxD,GND, Communicating with the Host
COM3
RS-485 : DATA+,DATA-, Communicating with the Host
GSM/GPRS system
GPRS/GSM
GSM 850/900/1800/1900 MHz
Compliant to GSM phase 2/2+
 -Class 4(2W @ 900 MHz)
 -Class 1(1W @ 1800/1900 MHz)
Coding schemes : CS 1, CS 2,CS 3,CS 4
SMS : PDU mode 
SMS Format : 
   -Sending:USC2
   -Receiving:UCS2/7bits
Power
Protection
Reverse polarity protection
Frame Ground Protection
ESD, Surge, EFT, Hi-Pot
Required Supply Voltage
+10 VDC ~ +30 VDC
Mechanical
Casing
Plastic
Flammability
UL 94V-0 materials
Dimensions (W x L x H)
91 mm x 132 mm x 52 mm
Installation
DIN-Rail
Environmental
Operating Temperature
-25 ℃ ~ +75 ℃
Storage Temperature
-40 ℃ ~ +80 ℃
Ambient Relative Humidity
5 ~ 95% RH, non-condensing

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