YASKAWA SVC - CPU STOP Operation

11.3 MECHATROLINK-III I/O Module Settings
11.3.8 CPU STOP Operation
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Appendices
 COMM_ALM
• Definition
These bits show the communications error status.
• Description
These bits show the MECHATROLINK communications error status. This status is indepen-
dent from CMD_ALM, D_ALM, and D_WAR.
COMM_ALM is cleared when bit 3 (ALM_CLR) in the Command Control register changes to
1, or when the Clear Alarms/Warnings command is executed.
11.3.8 CPU STOP Operation
When a CPU STOP occurs, all output data is cleared to zeroes and input data is not updated.
Code Meaning Description
− 0No alarm −
Warnings
1FCS error
These warnings occur when even one error is
detected.
2 Reference data not received.
3 Synchronous frame not received.
4 −
5 −
6 −
7 −
Alarms
8FCS error
These alarms occur when an error is detected
the specified number of times in a row.
When this occurs, communications are no lon-
ger synchronized.
9 Reference data not received.
A Synchronous frame not received.
B Synchronization interval error
CWDT error
D −
E −
F −