Philips System 21 Quick Operating Manual page 19

Instrument bus system
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Function I Command
Description
Default
See
Serial Poll
PM2101
D
IEC POLL #11 ,S
Statement to perform Serial Poll
PM2101
on P2000C
;
status byte returned
inS.
D
S=SPOLL (711)
Statement to perform Serial Poll
PM2101
on
HP85;
status byte returned
inS.
Ready-line control/read
~
9
"
R~D
"
Ready-line control disable.
9
"
R~E
"
Ready-line control enable.
"
R
E"
9
0
"
ROY?
"
Logic state of the ready-line ?
"
ROY
1"
9
Sequential execution
Sys.M
0
"
SEQ~ON
"
Sequential execution.
"SEQ ON
"
Sys.M
0
"
SEQ~OFF
"
Parallel execution
possible.
Sys.M
Request settings I modes
Sys.M
"
M
?"
Actual operating mode of slave ?
0
"
TAG?
"
Trigger mode of master ?
"
TRG
R"
"
E
?"
Execution mode of slave ?
"
E
U"
"R ?
"
Ready-line control mode ?
"R
E"
0
"
MSK
?"
System 21 event mask ?
"
MSK 000000000
"
0
"
SEQ?
"
SEQuential execution mode ?
"
SEQ ON
"
0
"
DMP
?"
Dump data of master ?
"
MSK
000000000,
TAG R,SEQ ON
"
"
D
?"
Dump data of slave ?
" M.,
E
U,
R
E"
+
<
functional settings
>
Additional requests; warning
:
slow
responses
0
"
BBS
?"
Which unit addresses are Busy
Sys.M
with a Block or a Scan ?
0
"
DAV
?"
Which unit addresses have DAta
10
Available?
19

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