SMS-531

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Intelligent 3G Modbus RTU SMS/Voice Alarm Controller, communicates over RS-485 and RS-232, supports operating temperatures from -25°C ~ +75°C. SMS-531 is phased out and replaced by GTP-541M.

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Categories:	Industrial SMS Controllers and GPRS Data Servers \| 2G/3G/4G Wireless Solutions
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Resources:	User's Manual Data Sheet Quick Start Software PIN Assignments

The SMS-531 has officially been phased out and will no longer be available. It has now been replaced by GTP-541M.

SMS-531 is an intelligent 3G Modbus/SMS Gateway for industry M2M applications. It is convenient for users to apply M2M applications with a host PC, PLC, HMI and/or PAC via Modbus RTU command. SMS-531 supports UNICODE format for users to send SMS messages to mobile phones by Modbus RTU protocol with various languages. This can help with M2M applications. The SMS-531 also supports the sound alarm application with pre-defined voice files. It can be used to inform an operator of an urgent event immediately.

For managing more SMS-5xx series remotely, ICP DAS provides SMS DBS software for users.

SMS-531 Application

Supports GSM 850/900/1800/1900 MHz Quad-band frequency
Supports WCDMA 850/900/1900/2100 MHz Quad-band frequency
Supports Modbus RTU slave protocol
Supports max. 256 short messages and voice alarms
Supports 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/SDHC card. (max. 32 Gbytes)
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	32GB max
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
3G system
Frequency Band	WCDMA Quad-Band 850/900/1900/2100 MHz
GSM system
Frequency Band	Quad-Band 850/900/1800/1900 MHz
Coding Schemes	CS 1, CS2, CS3, CS4
SMS Format	sending: UCS2 receiving: UCS2/7bits
Power
Protection	Power reverse polarity protection
Frame Ground Protection	ESD, Surge, EFT, Hi-Pot
Required Supply Voltage	+10 VDC ~ +30 VDC
Power Consumption	Idle: 34 mA @ 24 VDC; Data Link: 52 mA @ 24 VDC; Peak: 60 mA @ 24 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 °C
Storage Temperature	-40 ℃ ~ +80 °C
Ambient Relative Humidity	5 ~ 95% RH, non-condensing

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