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104
Troubleshooting
Section 7-5
7-5-3
Communications Check Flowchart
Note
1.
First word allocated to Unit in DM Area: m = 100
×
unit No.
2.
First word allocated to Unit in CIO Area: n = CIO 2000 + 10
×
unit No.
NO
Replace Data Carrier.
YES
Replace Data Carrier.
NO
Replace Data Carrier.
YES
YES
NO
NO
NO
NO
CIO n+9 = E070?
Distance
between DC and
Head OK?
CIO n+9 = E071?
Data Carrier OK?
CIO n+9 = E07B?
CIO n+9 = E07A,
E07D, or E076?
CIO n+9 not 0000?
Data Carrier OK?
Travel speed OK?
Data Carrier OK?
Cycle PLC power or turn
ON Special I/O Unit
Restart Bit.
Clear DM m in words
allocated in DM Area.
START
Correct distance.
Reduce travel speed.
Replace the ID Sensor
Unit.
Replace Data Carrier.
YES
T/R and
NORM/ERR indicators
flashing for each Head?
YES
YES
NO
Alignment OK?
Adjust system to maintain
a consistent distance.
YES
YES
YES
YES
YES
YES
YES
NO
Turn ON communications
test switch on front panel.
OK
NO
NO
NO
NO
YES
EEPROM
Data Carrier?
NO
Replace Data Carrier.
NO
Data Carrier OK?
YES
Replace R/W Head.
YES
CIO n+9 = E07C?
NO
NO
R/W Head OK?
Summary of Contents for CJ - 12-2004
Page 2: ...SYSMAC CS CJ Series ID Sensor Units Operation Manual Revised December 2004...
Page 3: ...iv...
Page 11: ...xii...
Page 55: ...36 Connections and Wiring Section 3 4...
Page 69: ...50 I O Data Allocations Section 4 3...
Page 91: ...72 Data Check Section 5 7...
Page 141: ...122 Sample Programming Appendix B...
Page 147: ...128 Revision History...