YOKOGAWA UT Advanced UT32A User Manual page 31

1.6 Communication Functions
CC-Link Communication
Peer-to-peer Communication
Coordinated Operation
1-10
The UT35A can be used as the slave devices for CC-Link communication. Read-out of
PV, operation or alarm status, and SP setting can be done by accessing the remote I/O
on the master unit of CC-Link.
PLC
CC-Link Master
CC-Link communication
CC-Link Slave / Modbus Master
Modbus/RTU communication
Max. 1200 m, number of connected slaves: 31
Modbus Slave Modbus Slave
In Peer-to-peer communication, controllers send and receive process data each other
and share data. However, ladder program creation using LL50A Parameter Setting
Software is necessary.
► Ladder program: LL50A Parameter Setting Software User's Manual
Controller No. 1 to 4 can transmit and receive data.
1 2
A system of coordinated operation is configured with a master controller and a number of
slave controllers. The slave controllers are set to operate in the same way as the master
controller. Therefore you do not have to create a communication program.
Master
Master: UP or UT controller
Slave: UT controller only
Up to 31 connected slaves with a maximum length of 1200m
Slave Slave
Modbus Slave
Controller No. 5 to 32 can only receive data.
• • • • • • • • • •
4
Slave
Modbus Slave
15
32
Max. 32 controllers
Slave
IM 05P01D31-01EN