Mitsubishi Electric GOT2000 Series Connection Manual page 481

(2) Precautions when preparing a cable
(a) Cable length
The length of the RS-422 cable must be 1km or less.
(b) GOT side connector
For the GOT side connector, refer to the following.
➠ 1.4.1 GOT connector specifications
(c) TOSHIBA PLC side connector
Use the connector compatible with the TOSHIBA PLC.
For details, refer to the TOSHIBA PLC user's manual.
(3) Setting terminating resistors
(a) GOT side
1) For GT27, GT25(Except GT2505-V), GT23
Set the terminating resistor setting switch of the GOT main unit to "Disable".
2) For GT2505-V
Set the terminating resistor selector to "330Ω".
For details of terminating resistor settings, refer to the following.
➠
1.4.3 Terminating resistors of GOT
(b) TOSHIBA PLC side
When connecting an TOSHIBA PLC to a GOT, a terminating resistor must be set to the TOSHIBA PLC.
For the setting of the terminating resistor, refer to the following manual.
➠
TOSHIBA PLC user's Manual
• T2 (PU224), T2N, T3, T3H, model 3000 (S3)
Connect the terminating resistor (1/2W-120 ) across RXA and RXB.
• T2E, model 2000 (S2, S2T)
Short across the RXA and TERM terminals.
12.2 Serial Connection
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