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Auxiliary Area Allocations Appendix D
Interrupt Control Instructions
Note When a double-length operand is used, add 1 to the value shown in the length column in the above
table.
High-speed Counter and Pulse Output Instructions
Instruction Mnemonic Code Length
(steps)
(See
note.)
ON execution
time (
µs)
Hardware
implementation
Conditions
SET INTERRUPT
MASK
MSKS 690 3 7.6 --- ---
READ INTERRUPT
MASK
MSKR 692 3 5.2 --- ---
CLEAR INTERRUPT CLI 691 3 7.2 --- ---
DISABLE INTER-
RUPTS
DI 693 1 5.3 --- ---
ENABLE INTER-
RUPTS
EI 694 1 5.6 --- ---
INTERVAL TIMER STIM 980 4 9.5 --- One-shot timer
11.0 --- One-shot pulse output
9.5 --- Scheduled interrupt
10.8 --- Reading timer PV
7.4 --- Stopping timer
17.8 --- Starting pulse counting
14.7 --- Stopping pulse counting
Instruction Mnemonic Code Length
(steps)
(See
note.)
ON execution
time (
µs)
Hardware
implementation
Conditions
MODE CONTROL INI 880 4 16.7 --- Starting high-speed counter com-
parison
12.7 --- Stopping high-speed counter com-
parison
13.3 --- Changing pulse output PV
10.9 --- Changing high-speed counter cir-
cular value
16.7 --- Starting pulse output comparison
12.6 --- Stopping pulse output comparison
14.9 --- Changing pulse output PV
13.1 --- Changing pulse output circular
value
12.5 --- Stopping pulse output
10.1 --- Stopping sampling counter com-
parison
14.5 --- Changing sampling counter PV
13.9 --- Changing sampling counter circu-
lar value
HIGH-SPEED
COUNTER PV READ
PRV 881 4 13.5 --- Reading pulse output PV
15.1 --- Reading high-speed counter PV
50.8 --- Reading analog input PV
14.3 --- Reading high-speed counter travel
distance
12.1 --- Reading high-speed counter
latched value