YOKOGAWA UT55A User Manual

17-39
IM 05P01C31-01EN
Installation and Wiring
17
NumberofPin Singnalname Description
1 FG Frame ground
2 SLD Shield
3 DG TX/RXsignalground
4
DB RX/TX-signal
5 DA RS/TX+signal
TerminatingResisterofBus(bothendsofthetrunkline)
DA
DB
110Ω
CC-LinkcommunicationconnectorandLED
CHK
L RUN
L ERR
1
2
3
4
5
LED Lit Unlit
CHK (red) Userproleerror
/addresserror Normal
L ERR (red) Communication failure (CRC error) Normal
L RUN (green) Normal. Communicating successfully. No carrier detected. / Connection timeout.
Modbusmasterwiring
Modbus master wiring is same as RS-485 communication wiring for Ethernet-serial
gateway function.
17.4 Wiring

YOKOGAWA UT55A Specifications

General

Brand	YOKOGAWA
Model	UT55A
Category	Temperature Controller
Language	English