23.2 Connection Cable
23 - 11
17
CONNECTION TO
ALLEN-BRADLEY PLC
18
CONNECTION TO
SIEMENS PLC
19
MICROCOMPUTER
CONNECTION
20
CONNECTION TO OMRON
TEMPERATURE
CONTROLLER
21
CONNECTION TO
YAMATAKE TEMPERATURE
CONTROLLER
22
CONNECTION TO RKC
TEMPERATURE
CONTROLLER
23
CONNECTION TO
FREQROL SERIES
INVERTER
24
SERVO AMPLIFIER
CONNECTION
(4) RS-422 cable 4)
• 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)
• RDA2, RDB2, SDA2 and SDB2 terminals of the RS485 terminal block (built into the inverter)
cannot be used.
GOT side
Cable connection and signal direction
Inverter side
RS485 terminal block(built into the inverter)
Signal
name
Pin No. Terminal name
Terminal block
name
RDA 2 SDA1(TXD1+)
TXD
RDB 7 SDB1(TXD1-)
SDA 1 RDA1(RXD1+)
RXD
SDB 6 RDB1(RXD1-)
RSA 3
RSB 8
CSA 4
CSB 9
SG 5 SG(GND) VCC
FG
SG
5
SDB
6
SDA 1
RDB 7
RDA 2
RSA 3
RSB 8
CSA 4
CSB 9
FG
S
D
A
S
D
B
R
D
A
R
D
B
S
G
S
D
A
S
D
B
R
D
A
R
D
B
S
G
S
D
A
S
D
B
R
D
A
R
D
B
S
G
FR-A5NR side FR-A5NR side
FR-A5NR side
(Terminal block) (Terminal block)
(Terminal block)
GOT side
Signal name
Pin No.
Station No.0
Station No.1
Station No.n
Terminating
resistor
100
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