7.3 Troubleshooting with no alarm generated
7-7
7.
Tro
ublesh
ooting
[Condition 3] The unit does not operate even when a command is sent from a master
device such as a PLC
No.
Possible cause
Confirmation/countermeasure
1
I/O signal communication is not
established
● Check the input/output status of the I/O signal
with the monitoring function of the teaching
tool. (both the master device and the
ELECYLINDER)
● Make sure the I/O signal voltage is normal.
● Check whether the length of the I/O signal
cable is within 10 m, and whether the wire
diameter is thinner than the applicable value.
● Make sure the wiring processing is correct.
→ For details, refer to "3.4/3.5 Wiring
connections".
2
Disconnection of power I/O cable,
disconnection or contact failure of power
I/O connector
● Check whether the cable is disconnected /
partially disconnected.
● Make sure that the connector and cable are
not pulled out.
→ For details, refer to "3.4/3.5 Wiring
connections".
3
Movement command issued to stopping
position
→ When stopping at "Forward end", check
the ladder sequence by sending a
"Forward" command etc.
Check the ladder sequence and the setting of
the forward end / backward end.
4
Edge signals are input to "Forward" and
"Backward".
Check the ladder sequence and input level
signals.
* For details on I/O signals, refer to "4.4 I/O signals".
Summary of Contents for ELECYLINDER EC-RTC12
Page 2: ......
Page 26: ...1 5 Accessories 1 35 Power I O cable 1 35 Power I O connector 1 36 ...
Page 64: ......
Page 78: ...2 14 2 Installation ...
Page 80: ......
Page 100: ...3 20 3 Wiring ...
Page 124: ...4 22 4 Operation ...
Page 126: ......
Page 132: ...5 6 5 Preventive Predictive Maintenance ...
Page 134: ......
Page 148: ...6 14 6 Parameters ...
Page 150: ......
Page 168: ...7 18 7 Troubleshooting ...
Page 170: ......
Page 208: ......
Page 212: ......
Page 214: ...10 2 10 Life ...
Page 216: ......
Page 219: ...Appendix 12 1 Index 12 1 12 2 Revision history 12 4 ELECYLINDER Chapter12 ...
Page 220: ......
Page 225: ......