Mitsubishi Electric FREQROL Connection Manual page 129

8E)
• 1:1 Connection
Display
• Please set the terminating resistor switch of the External Device to the "100Ω" position.
• 1:n Connection
Terminal block
Termination
resistance*1
Display
• Please set the terminating resistor switch to the "100Ω" position only on the last External
*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.
1
2
3
4
GP-Pro EX Device/PLC Connection Manual
Display side
Terminal block
Signal name
Termination
resistance*1
RDA
RDB
SDA
SDB
SG
ERA
CSA
ERB
CSB
Display side
Shield
Signal name
RDA
RDB
SDA
SDB
SG
ERA
CSA
ERB
CSB
Device in the chain.
Set Value
OFF
OFF
ON
ON
External Device side
Terminal Block
Shield
External Device side
Terminal Block
Signal name
SDA SDA
SDB SDB
RDA RDA
RDB RDB
SG SG
129
FREQROL Inverter Driver
Signal name
SDA
SDB
RDA
RDB
SG
External Device side
Terminal Block
Shield Signal name
SDA
SDB
RDA
RDB
SG