YOKOGAWA UT55A User Manual

1-10
IM 05P01C31-01EN
1.6 CommunicationFunctions
The UT55A/UT52A can use RS-485 communication, Ethernet communication,
PROFIBUS-DP communication, DeviceNet communication, and CC-Link communication
by specifying the suffix code and optional suffix code for each communication.
► UTAdvancedSeriesCommunicationInterface(RS-485,Ethernet)User’sManual
► UTAdvanced Series Communication Interface (Open Network) User’s Manual
RS-485Communication(Modbuscommunication,PClinkcommunication,and
Laddercommunication)
The UT55A/UT52A can communicate with PCs, PLCs, touch panels, and other devices.
Up to 31 connected slaves with a maximum length of 1200m
Model: ML2 of YOKOGAWA is recommended.
RS-485/
RS-232C
converter
PC
EthernetCommunication(Modbus/TCP)
TheUT55AcanbeconnectedtoIEEE802.3-compliantnetwork(10BASE-T/100BASE-TX).
A serial gateway function can increase the number of connected controllers.
Ethernet
Modbus/TCP
Modbus/RTU
Host computer
Hub
LAN
connnection
Distance from hub to controller: Within 100 m
Number of cascade connections on hub:
Max. 4 stages (10BASE-T)
Max. 2 stages (100BASE-TX)
RS-485 communication
Serial gateway function
Up to 31 connected slaves with a maximum length of 1200m

YOKOGAWA UT55A Specifications

General

Brand	YOKOGAWA
Model	UT55A
Category	Temperature Controller
Language	English