Rockwell Automation 900-TC32 Digital Temperature Controllers, Series B - Manual (Page 163)

Publication 900-UM007D-EN-E - January 2011
Parameter Adjustments & Application Considerations 4-27
Application Considerations
If a change is made to the set point upper and/or lower-limit value with
the current set point outside the limiter range, the set point is forcibly
changed by the controller to the sensor’s upper SP limit or lower SP
limit value, whichever is closer.
When the Input Type or temperature units are changed, the set point
limiter is forcibly reset to that of the new sensor setting range.
Set Point Limit Setup
To configure the Set Point Upper- and Lower-Limit parameters, you must
be in the Initial Setting function group. This example describes how to
configure the set point limiter when using a type K thermocouple (normal
full range: –200…1300
°C).
Figure 4.41
EXAMPLE
Operation Procedure: Configuring the Set Point Upper-Limit
Configure the Set Point Upper-Limit Value to 1000
1. Press the key for at least 3 seconds to move from the Operation
function group to the Initial Setting function group.
Table 4.T — Parameters
Symbol Parameters: Function group Description
sl-h
Set Point Upper-Limit: Initial Setting function
group For limiting the SP
setting
sl-l Set Point Lower-Limit: Initial Setting function
group
Set point limitter range
Normal/Full Sensor range (Type K thermocouple)
-200 1300
1000 -100