Fujitronic Programmable Operation Display UG520H-x - Manual (Page 56)

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Signal Test of RS-232C in MJ1 and MJ2
Select [MJ1] (or [MJ2]) and [RS-232C] in [Communication Port] by pressing each switch.
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Loop-back Test
Check the signals, [SD] and [RD].
Execute the test by connecting the data transfer cable (UG00C-T) to CN1.
1. Set the adaptor, ADP25-9, which is attached to UG00C-T, to UG00C-T. And connect the modular
jack side of UG00C-T to MJ1 (or MJ2), ADP25-9 side of UG00C-T to CN1.
2. The test is OK, if the [OK] lamp turns on when the [Self-Loop Test] switch is pressed.
* If the [NG] lamp turns on when the same switch as above is pressed, ask the
advice of your distributor.
Signal Test of RS-485 in MJ1 and MJ2
When you execute the signal test of RS-485 in MJ1 and MJ2, ask the advice of your distributor.
Self-Loop Test
CTS
NG OK
RTS
Self-Loop Test
CTS
NG OK
RTS
CN1 MJ1/2
UG00C-T
CN1 RS-232C
MJ1 RS-485
MJ2
Communication Port
17 Operation of POD Main Menu