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產(chǎn)品介紹：

       智能Modbus SMS/GSM警報(bào)器(不支持MicroSD卡)

      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