Mitsubishi Electric GT1685 Connection Manual page 538

RS485 connection diagram 12)
(For GT1030, GT1020)
* 2
GOT side
(terminal block)
SDA
SDB
RDA
RDB
SG
RSA
RSB
CSA
CSB
*1 Connect a terminating resistor jumper to RDB and RDR which are assigned in the FR-A5NR of the inverter located farthest from
the GOT.
The terminating resister jumper is packed together with the FR-A5NR.
*2 Set the terminating resistor of GOT side, which will be a terminal, to "330 ".
RS485 connection diagram 13)
(For GT1030, GT1020)
* 1
GOT side
(terminal block)
SDA
SDB
RDA
RDB
SG
RSA
RSB
CSA
CSB
*1 Set the terminating resistor of the GOT side to "330 ".
1.4.3 Terminating resistors of GOT
15 - 28
15. INVERTER CONNECTION
15.3 Connection Diagram
FR-A5NR side
(terminal block)
Station No.0
RDA
RDB
SDA
SDB
SG
RDR
1.4.3 Terminating resistors of GOT
Inverter side
RS485 terminal block
(built into the inverter)
RDA1(RXD1+)
RDB1(RXD1-)
SDA1(TXD1+)
SDB1(TXD1-)
SG(GND)
FR-A5NR side
(terminal block)
Station No.1
RDA
RDB
SDA
SDB
SG
RDR
* 1
FR-A5NR side
(terminal block)
Station No.n
RDA
RDB
SDA
SDB
SG
RDR