RKC INSTRUMENT CB Series - Page 127

Temperature Controller MODBUS SIO Driver
GP-Pro EX Device/PLC Connection Manual
127
10G)
• 1:1 Connection
• 1:n Connection (When connecting with the internal communication line)
• 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
1 OFF
2OFF
3ON
4ON
SDA
RDB
SG
ERA
SDB
ERB
CSB
RDA
CSA
Termination
resistance*1
Shield
Display
4
3
T/R(B)
T/R(A)
5SG
120
Ω
(1/2W)
Signal name
Signal name
Pin
Terminal block
External Device side
Termination
resistance
Display side
Terminal block
SDA
RDB
SG
ERA
SDB
ERB
CSB
RDA
CSA
Termination
resistance*1
Shield
Display
4
3
T/R(B)
T/R(A)
5SG
Signal name
Signal name
Pin
Terminal block
External Device side
External Device External Device
Internal
communication line
Display side
Terminal block
SDA
RDB
SG
ERA
SDB
ERB
CSB
RDA
CSA
Shield
Display
4
3
T/R(B)
T/R(A)
5SG
4
3
T/R(B)
T/R(A)
5SG
120
Ω
(1/2W)
Shield
Termination
resistance*1
Signal name
Terminal block
External Device side
Signal name
Pin
Terminal block
External Device side
Signal name
Pin
Termination
resistance
Display side
Terminal block