Mitsubishi Electric GOT2000 Series Connection Manual page 101

(15) RS-422/485 connection diagram 15)
■2. Precautions when preparing a cable
(1) Cable length
The maximum length of the RS-422/485 cable must be 100m or less.
(2) GOT side connector
For the GOT side connector, refer to the following.
➠
1.4.1 GOT connector specifications
(3) E-CON connector (plug) (Type name:
Product manufactured by Tyco Electronics. For details of the product, contact Tyco Electronics.
■3. Connecting terminating resistors
(1) GOT side
When connecting a PLC to the GOT, a terminating resistor must be connected to the GOT.
(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, GT21
Set the terminating resistor selector to "OPEN ".
For the procedure to set the terminating resistor, refer to the following.
➠
1.4.3 Terminating resistors of GOT
Terminating resistor
220Ω 1/2W
Junction box 4D side
E-CON Connector (Plug)
GOT side Model name :
SDA
SDB
RDA
RDB
SG
RSA
RSB
CSA
CSB
-1473562-4)
-1473562-4
1
2
3
4
2.3 Connection Diagram
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