YASKAWA
SIEP C730600 0NA MECHATROLINK-4 Technical Manual
47
INV_IO Response
Byte
Response
Description
Ofs+19
Not used (Set to 0.)
Ofs+20
Monitor data set to SEL_MON6
Monitor Data Set
Monitor data set to SEL_MON6 (Lower)
Ofs+21
Monitor data set to SEL_MON6 (Upper)
Ofs+22
Not used (Set to 0.)
Ofs+23
Not used (Set to 0.)
Ofs+24
Reserved (0)
Not used
・
・
Ofs+31
11
Troubleshooting
◆
Drive-Side Error Codes
Drive-side error codes appear on the drive keypad.
lists causes of the errors and possible
corrective actions. Refer to the drive Technical Manual for additional error codes that can appear on the drive
keypad.
■
Faults
bUS [Option Communication Error]
,
E5 [MECHATROLINK Watchdog Timer Error]
, and
EF0 [Option Card
External Fault from the option]
can appear as an alarm or as a fault. When a fault occurs, the keypad ALM LED
stays lit. When an alarm occurs, the ALM LED flashes.
If communication stops while the drive is running, use these questions as a guide to help remove the fault:
•
Is the communication line properly connected to the option? Is it loose?
•
Is the option properly installed?
•
Is the PLC program working? Is the controller/PLC CPU stopped?
•
Did a momentary power loss interrupt communications?
Code
Name
Causes
Possible Solutions
bUS
Option Communication Error
The drive did not receive a signal from the
controller.
The communications cable wiring is incorrect.
•
Check for wiring errors.
•
Correct the wiring.
An existing short circuit or communications
disconnection
Check disconnected cables and short circuits and repair as needed
A data error occurred due to electric interference
•
Prevent noise in the control circuit, main circuit, and ground
wiring.
•
If you identify a magnetic contactor as a source of noise,
install a surge absorber to the contactor coil.
•
Use only recommended cables or other shielded line. Ground
the shield on the controller side or the drive input power side.
•
Separate all communication wiring from drive power lines.
Install an EMC noise filter to the drive power supply input.
•
Counteract noise in the master controller (PLC).
Option is damaged
If there are no problems with the wiring and the error continues to
occur, replace the option.
Connection Time-out
Check if the CPU of the controller (PLC) is not stopped.
E5
MECHATROLINK Watchdog
Timer Error
WDT (Watchdog Timer Error) data update of the
controller is not normal.
Correctly update WDT data at the controller.
EF0
Option Card External Fault
The option received an external fault from the
controller.
1.
Find the device that caused the external fault and remove the
caus.
2.
Clear the external fault input from the controller.
A programming error occurred on the controller
side.
Examine the operation of the controller program.
oFA00
Option Not Compatible with Port
The option connected to connector CN5-A is not
compatible.
Connect the option to the correct connector.
•
Use connector CN5-A when you connect the option.
To use other options, refer to those option manuals.