FREQROL Inverter Driver
GP-Pro EX Device/PLC Connection Manual
71
2E)
•
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.
• Please set the terminating resistor switch of the External Device to the "100
Ω
" position.
• Please set the terminating resistor switch to the "100
Ω
" position only on the last External
Device in the chain.
DIP Switch No.
Set Value
1
OFF
2
OFF
3
ON
4
ON
RDA
RDB
SDA
SDB
SG
ERA
CSA
ERB
CSB
Signal
name
Display
side
Terminal
block
External
Device
side
Terminal
Block
S
h
ield
Termination
resistance
*
1
Display
Signal
name
SDA1
(
T
X
D1
+)
SDB1
(
T
X
D1
-)
RDA1
(
R
X
D1
+)
RDB1
(
R
X
D1
-)
SG
(
G
N
D
)
External
Device
side
Terminal
Block
External
Device
side
Terminal
Block
S
h
ield
S
h
ield
RDA
RDB
SDA
SDB
SG
ERA
CSA
ERB
CSB
Signal
name
Display
side
Terminal
block
Termination
resistance
*
1
Display
Signal
name
SDA1
(
T
X
D1
+)
SDB1
(
T
X
D1
-)
RDA1
(
R
X
D1
+)
RDB1
(
R
X
D1
-)
SG
(
G
N
D
)
Signal
name
SDA1
(
T
X
D1
+)
SDB1
(
T
X
D1
-)
RDA1
(
R
X
D1
+)
RDB1
(
R
X
D1
-)
SG
(
G
N
D
)
SDA
2 (
T
X
D
2+)
SDB
2 (
T
X
D
2-)
RDA
2 (
R
X
D
2+)
RDB
2 (
R
X
D
2-)
SG
(
G
N
D
)