Fuji Electric POD UG221H-LE4 User Manual page 53

1-1. Serial Connection Test
This is a signal test for communications through the CN1 or MJ1 connector.
Perform this test if the communication is not successful when transferring screen data through MJ1,
connecting the PLC using CN1, or selecting multi-link 2, temperature controller/PLC2Way or PLC for
MJ1, or connecting the card recorder or serial extension I/O.
CN1 Test
RS-232C signal test
Turn the [CN1] and [RS232C] switches on.
• SD/RD Test
Check the signals [SD] and [RD].
1. Install a jumper between pins 2 and 3 of CN1 on the backside of the Simple POD unit.
2. Press the [Self-Loop Test] switch. When the [OK] lamp lights up, the test is successfully
completed.
* If the [NG] lamp lights up, consult your local distributor.
• CTS/RTS Test
Check the signals [CTS] and [RTS].
1. Install a jumper between pins 4 (RTS) and 5 (CTS) of CN1 on the backside of the Simple POD
unit.
2. Press the [RTS] switch and check that both [RTS] and [CTS] lamps light up at the same time.
Press the [RTS] switch again and check that both [RTS] and [CTS] lamps go off at the same
time.
Communication Port
CN1 RS232C
MJ1 RS485
CTS RTS
NG OK
Self-Loop Test
CTS RTS
NG OK
Self-Loop Test
CTS RTS
NG OK
Self-Loop Test
2. Main Menu Screen
CTS RTS
NG OK
Self-Loop Test
CTS RTS
NG OK
Self-Loop Test
CTS RTS
NG OK
Self-Loop Test
6-5
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