Mitsubishi Electric FREQROL Connection Manual page 68

2B)
• 1:1 Connection
Termination
100Ω (1/2W)
Display
• Please set the terminating resistor switch of the External Device to the "100Ω" position.
• 1:n Connection
Display side
D-Sub 9pin (socket)
Termination
resistance
Pin
100Ω (1/2W)
1
2
3
Display
7
5
4
8
9
6
Shell
• Please set the terminating resistor switch to the "100Ω" position only on the last External
GP-Pro EX Device/PLC Connection Manual
Display side
D-Sub 9pin (socket)
Pin
Signal name
resistance
1
RDA
2 RDB
3 SDA
7 SDB
5
ERA
4
CSA
8
ERB
9
CSB
6
Shell
Shield
Signal name
RDA
RDB
SDA
SDB
SG
ERA
CSA
ERB
CSB
FG
Device in the chain.
Shield
SG
FG
External Device side
Terminal Block
Signal name
SDA1 (TXD1+) SDA2 (TXD2+)
SDB1 (TXD1-) SDB2 (TXD2-)
RDA1 (RXD1+) RDA2 (RXD2+)
RDB1 (RXD1-) RDB2 (RXD2-)
SG (GND) SG (GND)
68
FREQROL Inverter Driver
External Device side
Terminal Block
Signal name
SDA1 (TXD1+)
SDB1 (TXD1-)
RDA1 (RXD1+)
RDB1 (RXD1-)
SG (GND)
External Device side
Terminal Block
Shield Signal name
SDA1 (TXD1+)
SDB1 (TXD1-)
RDA1 (RXD1+)
RDB1 (RXD1-)
SG (GND)