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2. SYSTEM MODE EO13-33003
2.1 Self-diagnostic Test
2-13
(9) Manual Threshold Check
M THRE. [R]5.0V [T]5.0V
(10) Expansion I/O Interface Check
Result of a loop back check performed on an expansion I/O interface, which may connect to an
external equipment like a labeller, is printed.
EXP.I/O OK
Connect the jig like below to the Expansion I/O PC board’s connector and perform a loop back check.
(11) Internal Serial Interface Check
EX.232C NG
Connect the jig like below to the serial interface connector and perform a loop back check.
Loopback test
OK: The circuit has no problem.
NG (Not good): The circuit has a problem or loopback jig is not
attached.
Expansion I/O PC board
Manually set threshold level of transmissive sensor:
0.0 to 5.0 V
Manually set threshold level of lower reflective sensor:
0.0 to 5.0 V
Manual Threshold Check
OK: The circuit has no problem.
NG (Not good): The circuit has a problem or loopback jig is not
attached.
Internal Serial Interface