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SMS-531 - Intelligent 3G Modbus RTU SMS / Voice Alarm Controller over RS 232 / 485
by ICP DAS
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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
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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.
- 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
| 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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