YOKOGAWA F3SP71-4S User Manual

TOC-1
IM 34M06P15-03E 2nd Edition
FA-M3
Sequence CPU - Modbus/TCP Functions
CONTENTS
Applicable Product ....................................................................................i
Important ...................................................................................................ii
Introduction............................................................................................viii
Copyrights and Trademarks ...................................................................ix
1.
Overview ....................................................................................... 1-1
1.1 Overview of Modbus/TCP Slave Function ............................................ 1-1
1.2 System Configuration of Modbus/TCP Slave Function....................... 1-2
2. Modbus/TCP Slave Function....................................................... 2-1
2.1 Specifications .......................................................................................... 2-1
Functional Specifications.................................................................... 2-1
Communication Functions.................................................................. 2-1
2.2
Communication Protocol........................................................................ 2-1
2.3 Data Frames ............................................................................................ 2-2
2.4 Function Codes ....................................................................................... 2-3
Support Function Codes .................................................................... 2-3
PDU Configuration ............................................................................. 2-4
2.5
Response Error Code ............................................................................. 2-5
2.6 Modbus Device Allocation Specifications ........................................... 2-6
Modbus Device List............................................................................ 2-6
Modbus Device Associations ............................................................. 2-7
2.7
Specifying Devices in Commands....................................................... 2-12
List of Supported Devices ................................................................ 2-12
2.8
Modbus/TCP Slave Function Settings................................................ 2-13
Required Settings............................................................................. 2-13
Settings Specified as Necessary...................................................... 2-14
2.9
Using Modbus/TCP Slave Function via Ethernet.............................. 2-15
Connecting to a Monitor ................................................................... 2-15
Connecting to a PC .......................................................................... 2-15
3. Command/Response Details ....................................................... 3-1
3.1 Read Coils ($01) ...................................................................................... 3-1
3.2 Read Discrete Inputs ($02) ..................................................................... 3-2
3.3 Read Holding Registers ($03) ................................................................ 3-3
IM 34M06P15-03E 2nd Edition: Jan. 31, 2012-00

YOKOGAWA F3SP71-4S Specifications

General

Brand	YOKOGAWA
Model	F3SP71-4S
Category	Computer Hardware
Language	English