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11.2 Connection Cable
11.2.2 RS-422 cable
4 Connecting terminating resistors
Connect the terminating resistor on the SHARP PLC side when connecting a GOT to a SHARP PLC.
No terminating resistor needs to be connected on the GOT side as one is already built into the GOT.
The PLC CPUs and the modules on the PLC CPU side requiring a terminating resistor are shown
below.
(1) JW-22CU
Turn "ON" the terminating resistor setting switch (SW1) on the back of JW-22CU to validate the
terminating resistor.
(2) JW-70CUH and JW-100CUH
Connect the pin 6 (terminating resistor) of the communication port connection connector with the
pin 13 ( ) only at the terminal station to validate the terminating resistor.
(3) 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.
RXD
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