YASKAWA
SIEP C730600 88F MECHATROLINK-III Technical Manual
27
Command
Description
COMM_ALM
Notifies the communication error state.
COMM_ALM is independent of CMD_ALM, D_ALM and D_WAR. COMM_ALM is cleared at the leading edge of CMD_CTRL.ALM_
CLR or by the ALM_CLR command. Refer to page
for more information.
CMD_ALM
Notifies the command error state.
If a normal command is received after the occurrence of a command error, CMD_ALM is automatically cleared. Refer to page
for more
information.
■
COMM_ALM
Code (Hex.)
Contents
-
0000
Normal
Warning
0001
Frame Check Sequence (FCS) error
0002
Command data not received
0003
Synchronous frame not received
Alarm
0008
Frame Check Sequence (FCS) error
0009
Command data not received
000A
Synchronous frame not received
000B
Synchronization interval Error
000C
WDT error
■
CMD_ALM
Code (Hex.)
Contents
-
0000
Normal
Warning
0001
Invalid data
Alarm
0008
Unsupported command received
0009
Invalid data
000A
Command execution condition error
000B
Sub-command combination error
000C
Phase Error
9
Main Commands
◆
NOP: 00 (Hex.) (No Operation Command)
The NOP command is used for network control. The current state is returned as a response. This command can be
used in all phases.
NOP Command
Byte
Command
Description
0
NOP (00 (Hex.))
Command code
1
WDT
Watchdog data
2
CMD_CTRL
Refer to page
3
4
Reserved (0)
Not used
5
・
・
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