RKC INSTRUMENT CB Series - Page 85

Temperature Controller MODBUS SIO Driver
GP-Pro EX Device/PLC Connection Manual
85
3G)
• 1:1 Connection
• 1:n Connection
*1 The resistance in the Display is used as the termination resistance. Set the value of the DIP Switch on the
rear of the Display as shown in the table below.
DIP Switch No. Set Value
1OFF
2OFF
3ON
4ON
Signal name
SDA
RDB
SG
ERA
SDB
ERB
CSB
RDA
CSA
Shield
Terminal block
External Device side
Signal name
T/R(B)
T/R(A)
SG
120
Ω
(1/2W)
Termination
resistance*1
Termination
resistance
Display
Display side
Terminal block
SDA
RDB
SG
ERA
SDB
ERB
CSB
RDA
CSA
T/R(B)
T/R(A)
SG
120
Ω
(1/2W)
T/R(B)
T/R(A)
SG
Termination
resistance*1
Signal name
Shield
Terminal block
External Device
Signal name
Termination
resistance
Shield
Terminal block
External Device
Signal name
Display
Display side
Terminal block