Philips System 21 Quick Operating Manual page 18

Function I Command Description
Default See
Service Request masking
D "MSR n" Mask Service Request with
"MSR 0" PM2101
decimal value
n=
0 .... 511
Mask-values: values may be added to enable
more conditions to generate SRQ.
decimal
enable Service Request when:
value
256 PM2101 is no longer BUSY
128 A System 21 event occurred
16
PM2101 received an illegal code
0 "MSK"+ <digits>
Mask System 21 events
"MSK 0"
Sys.M
(maximum 9 digits). A zero digit
disables the corresponding event
to generate a Service Request.
digits: "1"
A slave had a power fail,
"0"
received a power-on reset or
received an illegal code or illegal
sequence.
" 2" An addressed module is not
present.
"0"
"3" All units became ready
performing the programmed
"0"
actions.
''4''
All units are ready with the
"0"
received data and may receive
new data.
"5"
A unit has data available.
"0"
"6" All units are ready with the
"0"
block or scan.
"7"
A unit has a warning.
"0"
"8" The ready-line became high
(ready true)
"0"
"9"
A trigger-pulse was captured on
"0"
the trigger-line.
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