Monitoring and controlling the loops, Chapter – Rockwell Automation 1771-TCM TEMPERATURE CONTROL User Manual

Page 58

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Chapter

7

Publication 1771Ć6.4.5 - January 1997

Monitoring and Controlling the

Loops

This chapter shows you how to monitor and control the PID loops.
This includes:

Loop Monitor screen

changing loop settings

Module Monitor screen

To monitor a loop of a particular module, at the Project screen, select
the module and loop; from the

Loop menu, select Monitor.

The Loop Monitor screen for the current loop appears.

The values on this screen are refreshed about once per second.

If the set-point ramp field:

Indicates:

Then:

No Ramp

setĆpoint ramping is disabled OR set point ramping is

enabled, but the set point is currently not ramping

Up

setĆpoint is increasing due to set point ramping

Down

set point is decreasing due to set point ramping

Holding

set point would be ramping, but the Ramp Hold bit is

set

Note: With Module Firmware versions prior to 3.3, this field will
display “No Ramp” when the set point is not ramping, and “Down”
when the set point is ramping, regardless of whether it is ramping up
or down.

Loop Monitor Screen

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