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55
Appendix B
Troubleshooting
Indicator Status During Normal Operation
f
: Lit,
Y
: Flashing, X: Not lit
Master
Expansion
Master
Slave
Comments
RDY
T/R
RDY
T/R
END
NODE
ALM
RDY
T/R
PWR
T/R
f
f
Y
X
X
X
f
Y
f
Y
All T/R indicators flash.
Any other indicator display indicates an error. Refer to the table below.
Indicator Alarm Table
The table below shows the description and remedy of an error occurring in the G730 Interface Unit.
f
: Lit,
Y
: Flashing, X: Not lit, “––”: Status not relevant.
Error
Master
Expansion
Master
Description
Remedy
RDY
T/R
RDY
T/R
END
NODE
ALM
RDY
T/R
Errors
X
––
––
––
––
––
X
––
Power not turned on.
Turn the power on.
before or
after
normal
Units not completely
connected.
End cover not attached.
Refer to unit manual and
correct set up.
operation
––
X
X
X
X
X
––
––
Abnormal Master.
Turn power off and back on.
Replace Master if same error
re-occurs.
Errors
before
f
X
Y
f
f
X
––
f
f
Slave address set between #28
and #30.
Set Slave address between #0
and #27.
normal
operation
f
X
Y
f
X
––
f
f
No terminator set.
Set the Slave connected at the
end as the terminator.
Multiple terminators exists in a
system.
Only one terminator allowed
per system. Wire separate
systems with one Master each.
Different types of
communications Master exist.
Do not mix Master (G7M21)
with different types of
communications Master.
Transmission path shorted.
Transmission path
discontinuity.
Transmission path + and –
wiring reversed.
Correctly wire the transmission
path.
Expansion Masters exist with
the same input/output type and
duplicate unit #.
Correct settings to give unique
unit # and Slave address.
Expansion Masters exist with
the same input/output type and
duplicate system address.
The Slave set as terminator is
not turned on.
Turn on the terminator Slave.
The terminator is set to Slave
address #31.
Set terminator Slave address
between #0 and #27.
f
X
Y
Y
X
––
f
f
Multiple terminators set
Set only the final Slave to
terminator.
Summary of Contents for CQM1H - 08-2005
Page 1: ...Cat No W238 E1 8 Dedicated I O Units CQM1H CQM1 series OPERATION MANUAL SYSMAC ...
Page 2: ......
Page 3: ...CQM1H CQM1Series Dedicated I O Units Operation Manual Revised August 2000 ...
Page 4: ......
Page 6: ......
Page 12: ......
Page 21: ...1 PART I B7A Interface Unit CQM1 B7A02 CQM1 B7A03 CQM1 B7A12 CQM1 B7A13 CQM1 B7A21 ...
Page 22: ......
Page 42: ......
Page 45: ...25 PART II G730 Interface Unit CQM1 G7M21 CQM1 G7N01 CQM1 G7N11 ...
Page 46: ......
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Page 72: ......
Page 74: ...Appendix A Specifications 54 Dimensions Common for Master and Expansion Master Unit mm ...
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Page 79: ...59 PART III I O Link Unit CQM1 LK501 ...
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Page 88: ......
Page 92: ......
Page 93: ...73 PART IV Analog Input Unit and Analog Power Supply Units CQM1 AD041 CQM1 IPS01 CQM1 IPS02 ...
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Page 121: ...101 PART V Analog Output Unit and Analog Power Supply Units CQM1 DA021 CQM1 IPS01 CQM1 IPS02 ...
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Page 187: ...167 PART VII Linear Sensor Interface Units CQM1 LSE01 CQM1 LSE02 ...
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