Mitsubishi 700 Series

PROTOCOL-SPECIFIC INFORMATION
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9
9 PROTOCOL-SPECIFIC INFORMATION
This section will discuss topics that are specific to each of the supported protocols.
9.1 Modbus/TCP Server
9.1.1 Overview
The interface card supports
Schneider Electric’s Modbus/TCP
protocol, release 1.0. The interface is
conformance class 0 and partial
class 1 and class 2 compliant, and
allows up to 8 simultaneous
Modbus/TCP client connections
(sockets).
Other notes of interest include:
• Supported Modbus/TCP
functions are indicated in Table
26.
• The register mapping is provided
in section 4.1.
Table 26: Supported Modbus/TCP Functions
Function
Code
Function
Modbus/TCP
Class
1
Read coils
1
2
Read input status
1
3
Read multiple registers
0
4
Read input registers
1
5
Write coil
1
6
Write single register
1
8
Diagnostics (subfunction 0 only)
-
15
Force multiple coils
2
16
Write multiple registers
0