Rockwell Automation 900-TC32 Digital Temperature Controllers, Series B - Manual (Page 108)

Publication 900-UM007D-EN-E - January 2011
3-38 Configuration & Basic Operation
Figure 3.72 — Executing AT or ST in RT Mode
• When the manipulated variable (MV) is saturated, the amount of
overshooting may be somewhat higher in comparison to PID control
based on AT or ST in normal mode.
EXAMPLE
Operation Procedure
This example selects RT mode.
1. Press the
O
key for at least 3 seconds to move from the Operation
function group to the Initial Setting function group.
Figure 3.73
2. Select the Move to Advanced Setting function group parameter by
pressing the
M key.
Figure 3.74
3. Use the
D key to enter −169 (the password).
It is possible to move to the Advanced Setting function group by
pressing the
M key or leaving the setting for at least 2 seconds.
Figure 3.75
Temperature Temperature
Set point value Set point value
Start of control Start of control
Time Time
Improved with RT
C 25
100
PV/SP
in-t
5
Input type
amov
0
Move to Advanced
Setting Function Group init
off
Parameter
initialization