Rockwell Automation 2755 Enhanced Decoder Series B User Manual
Page 257
15–69
ASCII Host Commands
Publication 2755-833
PI - Read Decoder Performance Indicators
Command Format:
P
I
Function:
Reads the decoder performance indicators for
Scanners A and B.
Parameters:
None
Response
Parameters
Parameter Function
Valid Values
aaa
Scanner A Performance
Indicator
3 digit value
000 through 100, 999
①
bbb
Scanner B Performance
Indicator
3 digit value
000 through 100,
999
①②
① 999 indicates the decoder is not decoding because of a buffer overflow
condition.
② Applicable only with dual head scanner.
Response:
aaa<end> = rr <end>
for single head scanners
,
or
aaabbb<end> = rr <end>
for dual head
scanners.
<end>=
end of message code
rr=
response code
<end>=
end of message code
Example:
Command:
P
I
Response:
000099LF = 00LF
Response
Parameters
Parameter Function
Values
aaa
Scanner A Performance
Indicator
000
bbb
Scanner B Performance
Indicator
099
LF=
end of message control code
00=
command complete
response code
LF=
end of message control code