User`s manual

2-3
A. Self-loop Test
Pressing the switch ‘A’ on the “I/O Test” brings to the [Serial Test] screen.
This is the test menu to check the signals necessary for ZM-62E to communicate with PLC or a personal
computer by using only ZM-62E.
Signal Test of RS-232C in CN1
Select [CN1] and [RS-232C] in [Communication Port] by pressing each switch.
Loop-back Test
Check the [SD] and [RD] signals.
1. Jump pins, 2 and 3 of CN1.
2. The test is OK, if the [OK] lamp turns on when the [Self-Loop Test] switch is pressed.
POWER
RUN
Serial Test
I/O Test
Self-Loop Test
Please refer to the manual, "Hardware Specifications".
CTS
Self-Loop
Test
RTS
NG
OK
CN1
MJ1
MJ2
RS232C
RS485
Communication Port
CTS
Self-Loop
Test
RTS
NG
OK
CN1
MJ1
MJ2
RS232C
RS485
Communication Port
CTS
Self-Loop
Test
RTS
NG
OK
CN1
MJ1
MJ2
RS232C
RS485
Communication Port
CTS
Self-Loop
Test
RTS
NG
OK
CN1
MJ1
MJ2
RS232C
RS485
Communication Port
2 Operation of Main Menu