22.2 Connection Cable
22.2.2 RS-422 cable
22 - 13
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
2 Connector specifications
(1) GOT side connector
Use the following as the RS-422/485 communication unit connector on the GOT.
For the GOT side of the RS-422 cable, use a connector or connector cover applicable to the GOT
connector.
3 Precautions when preparing a cable
The length of the RS-422 cable must be 1200m or less.
4 Connecting terminating resistors
(1) GOT
Set the terminating resistor of RS-422/485 communication unit using the terminating resistor
setting switch.
*1 The default setting is “Enable”.
GOT Connector model Connector type Manufacturer
RS-422 conversion unit 17LE-13090-27(D3AC) 9-pin D-sub (female) DDK Ltd.
GT11 17LE-13090-27(D3AC) 9-pin D-sub (female) DDK Ltd.
GT15-RS4-9S 17LE-13090-27(D3AC) 9-pin D-sub (female) DDK Ltd.
Terminating
resistor
*1
Switch No.
1 2
Enable ON ON
Disable OFF OFF
SW1
ON
12
ON
SW1
ON
12
Terminating resistor setting switch
Rear view of RS-422/485 communication unit
(When using GT15-RS4-9S)