Rockwell Automation 900-TC32 Digital Temperature Controllers, Series B - Manual (Page 326)

Publication 900-UM007D-EN-E - January 2011
5-98 Parameter Functions & Definitions
Function: This parameter allows you to configure whether the MV Upper
Limit and MV Lower Limit parameters are to be enabled when in manual
mode.
Related Parameter
• MV upper limit, MV lower limit (Adjustment Level function group,
page 5-42)
PV Rate of Change Calculation Period
Conditions of Use: Alarms 1, 2, and 3 must be assigned. The alarm type must
be set to 13.
Function: The change width (rate of change) can be found for PV input
values in any set time period. Differences with previous values in each set
period are calculated, and an alarm is output if the results exceed the alarm
value.
The PV rate of change calculation period can be set in units of 250 ms
(sampling period).
Related Parameter
• Present value, Process value/set point (Operation function group, page
5-8) Alarm 1 to 3 type (Initial Setting function group, page 5-16)
Automatic Cooling Coefficient Adjustment
Conditions of Use: The control must be set to heating/cooling control and
2-PID control.
Table 5.DR
Selections Default
on: Enabled, off: Disabled off
Table 5.DS
Configurable Range Units Default
1 to 999 Sampling period 4 (1 s)
pvrp
csca