
1. DISPLAY AND OPERATION
B–63505EN/02
28
#7
MS13113
#6
MS0
#5 #4 #3 #2 #1 #0
MHC
#0 (MHC) The records of an external operator message:
0 : Cannot be erased.
1 : Can be erased.
#6, #7 (MS0,MS1) These bits set the number of characters to be retained in each record of an
external operator message, as well as the number of records, as shown in
the following table:
MS1 MS0
Number of characters in
each record
Number of records
0 0 255 8
0 1 200 10
1 0 100 18
1 1 50 32
* An external operator message of up to 255 characters can be specified.
Combining the MS1 bit and MS0 bit (bits 7 and 6 of parameter No.
3113) selects the number of records by limiting the number of
characters to be retained as the record of an external operator message.
#7
3112
#6 #5 #4 #3 #2
OMH
#1 #0
#2 (OMH) The external operator message history screen is:
0 : Not displayed.
1 : Displayed.
NOTE
After setting this parameter, briefly turn the power off, then
on again.
When the number of an external operator message is specified, the system
starts updating the records of the specified message. The system
continues to perform update until another external operator message is
specified or until an instruction to delete the records of the external
operator message is specified.
1.5.3
Parameter
1.5.4
Notes