YOKOGAWA UT Advanced UT32A User Manual page 281

17.4 Wiring
17-26
Number of Pin Singnal name
1 VP
2 RxD/TxD-P
3 RxD/TxD-N
4 DGND
5 SHIELD
Terminating Resister of Bus
VP
390Ω
Data line
RxD/TxD-P
220Ω
Data line
RxD/TxD-N
390Ω
DGND
PROFIBUS-DP communication connector and LED
1
CHK
2
RDY
3
ERR
4
5
LED
CHK (red) User profile error
Normal.
RDY (green)
Communicating successfully.
Not connected, or communication
ERR (red)
failure (flashing)
Modbus master wiring
Modbus master wiring is same as RS-485 communication wiring for Ethernet-serial
gateway function.
+5V bus power
Data signal (positive data receive/transmit)
Data signal (negative data recive/transmit)
Signal ground
Shield ground
Lit
Normal
No electricity, or Communication
failure
Normal
Description
Unlit
IM 05P01D31-01EN