20.2 Connection Cable
20.2.2 RS-485 cable
20 - 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-485 cable, use the terminal block packed together with the RS-422/485
communication unit.
(2) OMRON temperature controller side connector
Use the connector compatible with the OMRON temperature controller side module.
For details, refer to the following manual.
User's Manual for the OMRON temperature controller
3 Precaution when preparing a cable
(1) The length of the RS-485 cable must be 500m or less.
4 Connecting terminating resistors
(1) OMRON temperature controller
Connect the terminating resistor on the OMRON temperature controller side when connecting a
GOT to a OMRON temperature controller.
Section 20.4 Temperature Controller Side Setting
(2) 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
GT15-RS4-TE SL-SMT3.5/10/90F BOX Weidmuller interconnections inc.
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
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