Specifications

Q/QnA Serial Communication Driver
GP-Pro EX Device/PLC Connection Manual
54
5E)
*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.
• As the External Device has the termination resistance built-in, you do not need to connect the
termination resistance.
DIP Switch No. Set Value
1OFF
2OFF
3ON
4OFF
Display
Signal
name
Shield
External Device side
D-sub 25 pin (plug)
Pin
Signal
name
Termination
resistance*1
RDA
RDB
SDA
SDB
SG
ERA
CSA
ERB
CSB
3
16
2
15
7
8
20
21
4
5
17
18
1
SDA
SDB
RDA
RDB
SG
SG
SG
SG
DSRA
DTRA
DSRB
DTRB
FG
Terminal block
Display side