Rockwell Automation 900-TC32 Digital Temperature Controllers, Series B - Manual (Page 85)

Publication 900-UM007D-EN-E - January 2011
Configuration & Basic Operation 3-15
2. Select the Temperature Unit parameter by pressing the
M key. Press the
U or D key to select either °C (c) or °F (f).
Figure 3.15 — Temperature Unit Parameter
3. To return to the Operation function group press the
O
key for at least
1 second.
Figure 3.16 — Operation Function Group
The Operation function group is displayed when the Bulletin 900 controller is
turned ON. The upper display (No. 1) shows the process value (PV), and the
lower display (No. 2) shows the set point (SV or SP).
Configuring the SP Changing the SP
The set point cannot be changed when the Operation/Adjustment Protection
parameter is set to 3. For details, refer to page 4-33, Using the Key Protect Function
Group
.
To change the set point, press the
U or D key in the PV/SP parameter
(Operation function group), and load/program the desired value. The new set
point is loaded/programmed into memory 2 seconds after you have specified
the new value.
For 900-TC8 and 900-TC16 only: The Multi-SP parameter is used to switch
between two or four pre-configured set point values. Refer to page 4-16, Using
the Event Input Feature — 900-TC8 & 900-TC16
for details.
Example Operation Procedure
In this example, the set point will be changed from 0…200
°C.
1. Normally, the PV/SP parameter is displayed. The current set point is 0
°C.
Figure 3.17
d-u
c
Temperature unit
C
20
0
C 30
0