Mitsubishi GOT1000 Series Connection Manual page 953

(4) RS-422 cable 4)
GOT side
Signal name
Pin No.
SG 5
SDB 6
SDA 1
RDB 7
RDA 2
RSA 3
RSB 8
CSA 4
CSB 9
FG
• Connect a terminating resistor (100 ohm) to RDB and RDR which are assigned in the FR-A5NR
of the inverter located farthest from the GOT.
The terminating resister is packed together with the FR-A5NR.
• Set the terminating resistor of GOT side, which will be a terminal, to "Enable".
Connecting terminating resistors
(5) RS-422 cable 5)
GOT side
Signal
Pin No.
name
RDA 2
RDB 7
SDA 1
SDB 6
RSA 3
RSB 8
CSA 4
CSB 9
SG 5
FG
• RDA2, RDB2, SDA2 and SDB2 terminals of the RS485 terminal block (built into the inverter)
cannot be used.
FR-A5NR side FR-A5NR side
(Terminal block) (Terminal block)
Station No.1
Station No.0
S R R S S S
G D D D D G
B A B A
Cable connection and signal direction
FR-A5NR side
(Terminal block)
Station No.n
R R S S
S R R
D D D D
G D D
B A B A
B A
RS485 terminal block(built into the inverter)
Terminal name
SDA1(TXD1+)
SDB1(TXD1-)
RDA1(RXD1+)
RDB1(RXD1-)
SG(GND)
23.2 Connection Cable
S S
D D
B A
Terminating
resistor
100
Inverter side
Terminal block
name
TXD
RXD
VCC
23 - 11
17
18
19
20
21
22
23
24