Mitsubishi Electric GOT2000 Connection Manual page 287

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Connecting terminating resistors
(1) GOT side
Set the terminating resistor setting switch of the GOT
main unit to "Disable".
For the procedure to set the terminating resistor, refer
to the following.
1.4.3 Terminating resistors of GOT
(2) SHARP PLC side
Connect the terminating resistor on the SHARP PLC
side when connecting a GOT to a SHARP PLC.
The PLC CPUs and the modules on the PLC CPU side
requiring a terminating resistor are shown below.
(a) JW-22CU
Turn "ON" the terminating resistor setting switch
(SW1) on the back of JW-22CU to validate the
terminating resistor.
(b) JW-70CUH and JW-100CUH
Connect the pin 6 (terminating resistor) of the
communication port connection connector with the
pin 13 (RXD) only at the terminal station to validate
the terminating resistor.
(c) JW-21CM, JW-10CM and ZW-10CM
Turn "ON" the terminator switch (SW7) on the front
panel only at the terminal station to validate the
terminating resistor.
9. CONNECTION TO SHARP PLC
9.3 Connection Diagram
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