Yamaha ERCX Series, User Manual

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11-
19
11
11-5 Communication Command Description
COMMUNICA
TION WITH PC
(11) @?ALM <history number>[,<display count>]
Displays a specified number of past alarms, starting from a specified history number.
A maximum of 100 past alarms can be displayed.
This alarm history shows the time (total elapsed time from controller start-up) that each alarm
occurred and a description of the alarm.
History number
: This number is assigned to each alarm sequentially from 0 to 99
in the order the alarms occurred. History number 0 indicates the
most recent alarm that occurred. A larger history number indi-
cates it is an older alarm.
Display count : Specify the number of alarms you want to display from 1 to 100.
If this entry is omitted, only one alarm is displayed.
Transmission example
: @?ALM 0,2 c/r l/f ........................ Displays the two most recent
alarms that occurred.
Response example : 00101,05:11:12,X04: POWER DOWN c/r l/f
00096,18:10:02,X04: POWER DOWN c/r l/f
OK c/r l/f ...................................... The most recent alarm that
occurred was a voltage drop
alarm occurring 101 days, 5
hours, 11 minutes and 12
seconds after the ERCX
controller has started. The next
most recent alarm was a
voltage drop alarm occurring
96 days, 18 hours, 10 minutes
and 2 seconds after the ERCX
controller has started.
(12)@?EMG
Reads the emergency stop status.
Transmission example : @?EMG c/r l/f
Response example 1 : 0 c/r l/f .......................................... Emergency stop is off.
OK c/r l/f
Response example 2 : 1 c/r l/f .......................................... Emergency stop is on.
OK c/r l/f
(13)@?SRVO
Reads the servo status.
Transmission example
: @?SRVO c/r l/f
Response example 1
: 0 c/r l/f .......................................... Servo is off.
OK c/r l/f
Response example 2
: 1 c/r l/f .......................................... Servo is on.
OK c/r l/f