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Rockwell Automation 1336T PLC Comm. Adapter, Series B, FRN 2.xx-3.xx User Manual

Page 140

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6–50

Publication 1336 FORCE–5.13 –– September, 1998

468

Trend 2 Sample Rate

[Tr2 Sample Rate]

Trend 2 Sample Rate specifies the interval at which
the data in the Trend In 2 parameter is sampled. It
is programmable in 2 millisecond increments. All
values are rounded down to the nearest 2
millisecond interval.

Parameter Number

468

Parameter Type

Read/Write, Non–Linkable Sink

Display Units / Drive Units

Seconds

Factory Default

0.020 Seconds

Minimum Value

0.002 Seconds

Maximum Value

30 Seconds

File – Group

Diagnostics – Trend Setup

469

Trend 2 Post Samples

[Tr2 Post Samples]

Tr2 Post Samples specifies the number of data
samples to be gathered once the trigger evaluation
becomes true. There is always a sample reserved
for the instance when the trigger condition becomes
true.

Parameter Number

469

Parameter Type

Read/Write, Non–Linkable Sink

Display Units / Drive Units

None

Factory Default

15

Minimum Value

0

Maximum Value

499

File – Group

Diagnostics – Trend Setup

470

Trend 2 Continuous Trigger

[Tr2 Cont Trigger]

Tr2 Cont Trigger specifies the type of trend. You can
choose either 0 for one–shot or for continuous.

With a one–shot trend, once the trigger condition is
true and the number of samples after the trigger is
taken are gathered, the trend stops.

With a continuous trend, once the trigger condition is
true and the number of samples after the trigger is
taken are gathered, the trend continues looking for
the next occurrence of a true trigger condition.

Parameter Number

470

Parameter Type

Read/Write, Non–Linkable Sink

Display Units / Drive Units

None

Factory Default

0

Minimum Value

0

Maximum Value

1

File – Group

Diagnostics – Trend Setup

471

Trend 2 Select

[Tr2 Select]

Tr2 Select specifies the trend mode. The states are
as follows:

0

Disable the trend.

1

Enable the trend.

2

Force a true trigger condition.

Parameter Number

471

Parameter Type

Read/Write, Non–Linkable Sink

Display Units / Drive Units

None

Factory Default

0

Minimum Value

0

Maximum Value

2

File – Group

Diagnostics – Trend Setup

Enums

0 = Disable

1 = Enable

2 = Force Trig

472

Trend 2 Status

[Tr2 Status]

Tr2 Status identifies which state the trend is
currently in. The following states are possible:

1 Stopped

Trending is not executing.

2 Running

Trending is executing, but the trigger
point has not yet been reached.

3 Tripped/Trigger Trending is executing, and the trigger

point has been reached.

4 Tripped/Forced The trigger point was forced.

Parameter Number

472

Parameter Type

Read Only, Non–Linkable Source

Display Units / Drive Units

None

Factory Default

1

Minimum Value

1

Maximum Value

4

File – Group

Diagnostics – Trend I/O

Enums

1 = Stopped

2 = Running

3 = Trip Trig

4 = Force Trip