Watlow CLS - Manual (Page 87)

Setup
CLS User’s Guide 79
Heat or Cool Control PB
This menu allows you to set the Proportional Band (also known as
Gain).
NOTE
The CLS internally represents the proportional band (PB)
as a gain value. When you edit the PB, you'll see the values
change in predefined steps--small steps for narrow PB val-
ues and large steps for wide PB values.
The controller calculates the default PB for each input type according to
the following equation:
Heat or Cool Control TI
This menu lets you set the Integral term, or Reset.
Selectable range: 0 (off) - 6000 seconds.
Heat or Cool Control TD
This menu lets you set the derivative constant.
Selectable range: 0-255 seconds.
LOOP PROCESS UNITS
ALARM SETPOINT STATUS OUT%
02 HEAT CONTROL
PB? 50
º F
Default PB =
(High Range - Low Range)
Gain
LOOP PROCESS UNITS
ALARM SETPOINT STATUS OUT%
02 HEAT CONTROL
TI ? 180 Sec/R
LOOP PROCESS UNITS
ALARM SETPOINT STATUS OUT%
03 HEAT CONTROL
TD ? 0 sec