Programming Function Blocks and Features

 

 

 

 

 

 

Table 4-13 Analog Output Prompts (continued)

 

 

 

 

 

 

 

 

 

 

 

 

 

Prompt

 

 

Range/Selections

 

 

Definition

 

 

 

MIN ON TIME

 

 

OFF or 0

 

 

The minimum on time (in seconds) for the output. If the input

 

 

 

 

 

 

 

 

 

source calls for the output to be on for less than this time, the

 

 

 

 

 

 

 

 

 

output will not turn on at all.

 

 

 

 

 

 

 

 

 

Example 1

 

 

 

 

 

 

 

 

 

Impulse Time = 100. Min On Time = 5 seconds. The output

 

 

 

 

 

 

 

 

 

will not come on unless the input source is 5%. For

 

 

 

 

 

 

 

 

 

instance, if input source = 3%, output would be on for 3% of

 

 

 

 

 

 

 

 

 

impulse time, or 3 seconds, but since 3 seconds is less than

 

 

 

 

 

 

 

 

 

the Min On Time, output will not turn on.

 

 

 

 

 

 

 

 

 

Example 2

 

 

 

 

 

 

 

 

 

Impulse Time = 150. Min On Time = 3 seconds. The output

 

 

 

 

 

 

 

 

 

will not come on unless the input source is 2%. For

 

 

 

 

 

 

 

 

 

instance, if input source = 1%, output would be on for 1% of

 

 

 

 

 

 

 

 

 

impulse time, or 1.5 seconds, but since 1.5 seconds is less

 

 

 

 

 

 

 

 

 

than the Min On Time, output will not turn on.

 

 

 

MIN OFF TIME

 

 

OFF or number

 

 

The minimum off time (in seconds) for the output. If the input

 

 

 

 

 

 

 

 

 

source calls for the output to be off for less than this time, the

 

 

 

 

 

 

 

 

 

output will not turn off at all.

 

 

 

 

 

 

 

 

 

Example 1

 

 

 

 

 

 

 

 

 

Impulse Time = 100. Min Off Time = 5 seconds. The output

 

 

 

 

 

 

 

 

 

will not turn off unless the input source is 95%. For

 

 

 

 

 

 

 

 

 

instance, if input source = 98%, output would be off for 2% of

 

 

 

 

 

 

 

 

 

impulse time, or 2 seconds, but since 2 seconds is less than

 

 

 

 

 

 

 

 

 

Min Off Time, output will not turn off.

 

 

 

 

 

 

 

 

 

Example 2

 

 

 

 

 

 

 

 

 

Impulse Time = 150. Min Off Time = 3 seconds. The output

 

 

 

 

 

 

 

 

 

will not turn off unless the input source is 98%. For

 

 

 

 

 

 

 

 

 

instance, if input source = 99%, output would be off for 1% of

 

 

 

 

 

 

 

 

 

impulse time, or 1.5 seconds, but since 1.5 seconds is less

 

 

 

 

 

 

 

 

 

than the Min Off Time, output will not turn off.

 

 

 

OUTPUT RELAY

 

 

Select discrete output

 

 

This is the discrete output channel if using DAT output

 

 

 

 

 

 

channel.

 

 

algorithm. This discrete output will be unprogrammable

 

 

 

 

 

 

 

 

 

under the PROGRAM DISCRETE OUTPUTS programming

 

 

 

 

 

 

 

 

 

menu. Only discrete outputs 1 though 5 will be programable

 

 

 

 

 

 

 

 

 

on any of the installed discrete output cards. Programming of

 

 

 

 

 

 

 

 

 

discrete output 6 is not allowed.

 

ATTENTION

ON/OFF loop types provide direct output without the use of an analog output. To complete an ON/OFF loop configuration, assign the ON/OFF loop’s output (LPn OS) to a Discrete Output Relay. (see Program Discrete Outputs, section 4.11).

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