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Programming Function Blocks and Features
Table 4-20 Compare's Condition Type and Condition Time Prompts (continued)
Condition type
PULSE
If Result is:
Then CVn OS is:
Condition type
RT PULSE
(Re-triggerable pulse)
If Result is:
Then CVn OS is:
112
Application
Used for interfacing with slower
circuits.
On rising edge of Result,
creates pulse length
CONDITION TIME and ignores
additional rising edges of Result
within that CONDITION TIME.
Condition Type = Pulse
Condition Time = 3 seconds
3 sec
Time
Application
Used for slower circuits.
Guarantees that CVn OS will be
ON for CONDITION TIME after
most recent rising edge of
Result.
Condition Type = Re-triggerable Pulse
Condition Time = 3 seconds
Pulse is
re-triggered
Time
VPR & VRX – User Manual
If this is true
Result switches ON(1) for ≤
CONDITION TIME, then
OFF(0).
2 sec
3 sec
If this is true
Result switches ON(1) for ≤
CONDITION TIME, then
OFF(0)
Result switches ON(1) multiple
times before CONDITION TIME
expires
Result switches ON(1) for ≥
CONDITION TIME, then
OFF(0)
4 sec
3 sec
then CVn OS is
ON(1) for CONDITION TIME,
then OFF(0). During
CONDITION TIME, any
additional OFF(0)-to-ONs of
Result are ignored.
3.5 sec
3 sec
then CVn OS is
ON(1) for CONDITION
TIME, then OFF(0).
ON(1) when Result first
switches ON(1) and
remains ON(1) until Result
has not switched ON(1) for
CONDITION TIME.
ON(1) for CONDITION
TIME then OFF(0).
12/00
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