Prosoft-technology MVI69-MCM Manual de usuario descargar pdf (Pagina 104)

Reference MVI69-MCM ♦ CompactLogix or MicroLogix Platform

User Manual Modbus Communication Module

Page 104 of 167 ProSoft Technology, Inc.

March 22, 2011

5.1.3 General Specifications - Modbus Master/Slave

Communication

parameters

Baud Rate: 110 to 115K baud

Stop Bits: 1 or 2

Data Size: 7 or 8 bits

Parity: None, Even, Odd

RTS Timing delays: 0 to 65535 milliseconds

Modbus Modes RTU mode (binary) with CRC-16

ASCII mode with LRC error checking

Floating Point

Data

Floating point data movement supported, including configurable

support for Enron, Daniel

, and other implementations

Modbus Function

Codes Supported

1: Read Coil Status

2: Read Input Status

3: Read Holding Registers

4: Read Input Registers

5: Force (Write) Single Coil

6: Preset (Write) Single

Holding Register

8: Diagnostics (Slave Only,

Responds to

Subfunction 00)

15: Force( Write) Multiple Coils

16: Preset (Write) Multiple

Holding Registers

17: Report Slave ID (Slave Only)

22: Mask Write Holding

23: Read/Write Holding

Registers (Slave Only)

1 2 ... 99 100 101 102 103 104 105 106 107 108 109 ... 166 167

Sin comentarios

Prosoft-technology MVI69-MCM Manual de usuario Pagina 104