Rockwell Automation 900-TC32 Digital Temperature Controllers, Series B - Manual (Page 148)

Publication 900-UM007D-EN-E - January 2011
4-12 Parameter Adjustments & Application Considerations
6. Select the decimal point position by pressing
M
.
Figure 4.24 — Press the U or D key to set the parameter to 1.
Figure 4.25
7. To return to the Operation function group press the key for at least
1 second.
Note: The newly configured value or parameter is loaded into controller
memory if you do NOT operate any key on the front panel for at least
2 seconds or by pressing the
or M key.
Executing the Heating and
Cooling Control Mode Overview
Several forms/modes of heating, cooling, or heating and cooling control can
be used with Bulletin 900 controllers. The heating and cooling control mode
operates when
h-c : heating and cooling is selected in the Standard/Heating
and Cooling parameter (Initial Setting function group). To assign the function
of your outputs and alarms based on the control mode use the Control Output
X Assignment and Alarm Y Assignment parameters in the Advanced Settings
function group. Refer to the table below
The following functions are assigned to outputs in the initial status.
dp
0
Decimal point
dp
1
Table 4.B — Output and Alarm Assignments
Parameter Name Symbol Initial Status
Control Output 1 Assignment
out1
Control output for heating
Control Output 2 Assignment (900-TC8 & 900-TC16 only)
out2
Not assigned
Auxiliary Output 1 Assignment
sub1
Alarm 1
Auxiliary Output 2 Assignment (900-TC8 & 900-TC16 only)
sub2
Alarm 2
Auxiliary Output 3 Assignment (900-TC8 only)
sub3
Alarm 3
Each output assignment is automatically initialized as shown below when the control module is changed.