Watlow CLS200 - Enable or Disable Heat or Cool Outputs; Heat or Cool Output Type

CLS200 Series User’s Guide
Chapter 4: Setup
85
Enable or Disable Heat or Cool Outputs
Enable or disable the heat or cool output for the loop. If you want the loop to have a control output,
you must enable at least one output. You can also disable a heat or cool control output and use the
output for something else, such as an alarm.
ALARM
01 HEAT CONTROL
OUTPUT ? ENABLED
Selectable values: ENABLED or DISABLED.
Heat or Cool Output Type
Select the output type.
ALARM
01 HEAT OUTPUT
TYPE ? TP
Selectable values: TP, DZC, SDAC, ON/OFF, 3P DZC. See Table 4.12 for a description of the
output types.
NOTE! The controller assigns digital output 34 as a clock line for the Serial DAC.
You will not be able to assign another function to output 34 if any loop’s output is
set to SDAC.
Table 4.12 — Heat / Cool Output Types
OPTION OUTPUT TYPE DEFAULT VALUE
TP
Time Proportioning
Percent output converted to a percent duty cycle over the
user-selected, fixed time base.
DZC
Distributed Zero Crossing
Output on/off state calculated for every ac line cycle. Use
with solid state relay or Dual DAC.
SDAC
Serial DAC Use with Serial DAC.
ON/OFF
On/Off Output either full on or full off.
3P DZC
3-Phase Distributed Zero
Crossing
Use with 3-phase heaters when wired in delta configuration.
(For grounded Y configuration, use
DZC instead.)
For an expanded description of these output types, see Chapter 8, Tuning and Control.