4.3.14 RS232CDOESNOTFUNCTIONWELL
Trouble
Cable failure
Parameters
Noise
Check Procedure
Refer to connection examples of
connecting Manual.
The cable is too long.
Check if lstand 2nd RS232CSand 1/0
settings can make proper selection.
Ensure the value of m#6003.
Check if baud rate, stop bit and
control codes are properly set.
]s t RS232C
2nd RS232C
1st RS232C
2nd RS232C
input 116026DOto Ds
input #i6027 DOto Ds
output #6028 Do to D5
output #6029 Do to D5
#6021 Do
tt6021 D,
#6021
D,
#6021 D5
it6022 Dz
#6022 D3
If TNerror, framing error and/or
overrun error occur, connecting
equipment may require noise solution.
Solution
Readjust cable wiring.
Limitable length to within
15nl.
DI u,
Status
o 0 It does not
o
Input ‘o
o operate
1 Ist RS-232C
1 0 2nd RS-232C
1 1 Unsettable
DS D4 Status
o 0 lt does not
o
Output o
0 operate
1 1st RS-232C
1 0 2nd RS-232C
1 1 Unsettable
Regard M02, M30and M99as
end of program.
Regard NXXXXas OXXXX.
Ensure DR(data set’ ready).
Turn ON/OFFRS signal (request
for sending) by%.
—
Disregard or not disregard
1S0 parity at the time of ~
operation.
Output or not output ISO
parity at the timeofm
operation.
Install a line filter in AC
input line of connecting
equipment.
–41–
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