Mitsubishi Electric MELDAS C6 Interface Manual page 186

B con-
Signal name
tact
— ERROR CODE OUTPUT
[Function]
With this function, the NC alarms and errors which are normally output to NC screen are partially
coded and output to PLC I/F device. Thus, the contents of alarms and errors can be confirmed
without NC screen.
[Operation]
The following output will be made when an alarm occurs.
The message displayed in NC screen is not converted.
(Example) When servo alarm S03 occurs
S03 SERVO WARNING 0052 XZ
The output is as shown above on the NC screen. However, this can be coded and output to PLC
I/F device as shown below using this function.
Alarm type ·················· Converted into a 2-digit numeral code. (Refer to the code table.)
Alarm message ·········· Not coded, and not output.
Alarm No. ··················· The No. is output as HEX.
Axis name ·················· Error occurrence axis is expressed as a bit, and the bit of servo and
6. EXPLANATION OF INTERFACE SIGNALS
6.2 PLC Input Signals (Data Type: R***)
Signal
abbreviation
Axis name
Alarm No.
Alarm message
Alarm type
spindle are output separately. The head digit of the alarm without axis
name will be "0".
6-2-26
1st system 2nd system
R256~258 R356~358
3rd system
R456~458