Prosoft-technology 3170-MBS Manual de usuario descargar pdf (Pagina 9)

3170-MBS ♦ Flex Platform Product Specifications

Modbus Slave Interface Module User Manual

ProSoft Technology, Inc. Page 9 of 55

October 27, 2010

1.2 Modbus Specifications

The 3170-MBS product support the following features:

 RTU mode (binary) with CRC-16 error checking

 ASCII 7 and 8-bit modes with LRC error checking

 Accepts broadcast commands from the Master

 Function codes:

1: Read Output Coils (Horizontal addressing only)

2: Read Discrete Inputs (Horizontal addressing only)

3: Read Multiple Holding Registers

4: Read Multiple Input Registers

5: Force (Write) Single Coil (Horizontal addressing only)

6: Preset (Write) Single Holding Register

16: Preset (Write) Multiple Holding Registers

 Pre-assigned Modbus memory map

 Parameters configured via dip switches:

Address: 1 to 247

Parity: None, Odd or Even

Stop Bits: 1 or 2

Baud Rate: 1200, 2400, 4800, 9600, 19200, 38400, 62500

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Prosoft-technology 3170-MBS Manual de usuario Pagina 9