Mitsubishi Electric GOT2000 Series Connection Manual page 352

■2. Precautions when preparing a cable
(1) Cable length
The maximum length of the RS-422 cable differs according to the specifications of the KOYO EI PLC side module.
For details, refer to the following manual.
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(2) GOT side connector
For the GOT side connector, refer to the following.
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(3) KOYO EI PLC side connector
Use the connector compatible with the KOYO EI PLC side.
For details, refer to the KOYO EI PLC user's manual.
■3. Connecting terminating resistors
(1) GOT side
(a) For GT27, GT25(Except GT2505-V), GT23
Set the terminating resistor setting switch of the GOT main unit to "Disable".
(b) For GT2505-V
Set the terminating resistor selector to "330Ω".
For the procedure to set the terminating resistor, refer to the following.
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(2) KOYO EI PLC
To connect a KOYO EI PLC to a GOT, a terminating resistor must be set to the KOYO EI PLC.
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7.3 Connection Diagram
KOYO EI PLC user's Manual
1.4.1 GOT connector specifications
1.4.3 Terminating resistors of GOT
KOYO EI PLC user's Manual