In-t, On/off control setup – Rockwell Automation 900-TC32 Digital Temperature Controllers, Series B User Manual
Page 97
Publication 900-UM007D-EN-E - January 2011
Configuration & Basic Operation
3-27
ON/OFF Control Setup
To execute ON/OFF control, configure the PID ON/OFF parameter.
EXAMPLE
Operation Procedure: Configuring the PID ON/OFF and Hysteresis Parameters
In this example, first check that the PID ON/OFF parameter is set to
onof
in the Initial Setting function group. The Setpoint and Hysteresis parameters
will also be adjusted.
1.
Press the
O
key for at least 3 seconds to move from the Operation
function group to the Initial Setting function group.
Figure 3.45
2.
Display the Input Type parameter in the Initial Setting function group.
Figure 3.46
Table 3.I — Parameters
Symbol Parameter Name and Group Location
Application
s-hc
Standard or Heating/Cooling: Initial Setting
function group
For specifying the control
method
cntl
PID ON/OFF: Initial Setting function group
For specifying the control
method
orev
Direct/Reverse Operation: Initial Setting function
group
For specifying the control
method
c-db
Dead Band: Adjustment function group
Heating/cooling control
hys
Hysteresis (heating): Adjustment function group
ON/OFF control
chys
Hysteresis (cooling): Adjustment function group
ON/OFF control
C
25
100
PV
in-t
5
Input type