11
Configuration and Programming
4.4
Set up the Control Output
The outputs and control parameters of the unit are set up in the Programming (
PRoG)
Menu. The unit is
configured with a 3A Mechanical Relay and a 5A Solid State Relay. An optional Isolated Analog Output is
also available.
4.4.1
Select an Output Channel (PRoG > StR1/dC1/IAN1)
In the Program Menu, navigate and select an Output Type to configure.
Menu
Output Type
StR1
Single Throw Mechanical Relay number 1. (Output 1)
dC1
DC Pulse output number 1 (Controls the 5A SSR). (Output 2)
IAN1
Isolated Analog output number 1 (Optional ISO Analog terminals)
Each Output Type has the following submenus:
Setting
Parameters
ModE
Allows the output to be set up as a control, Alarm, Retransmission, or
Ramp/Soak event output; the output can also be turned off.
CyCL
PWM pulse width in seconds for StR1 and dC1. (PID Control Mode Only)
RNGE
Sets the voltage or current output range (For IAN1 only)
For safety, all outputs modes are set to
OFF
by default. To use an output, select the appropriate
control mode setting from the Mode Menu.
PID
mode and
On/Off
mode can be used for process
control. The other modes are event based and can be used to activate the outputs during certain
events.
Setting
Parameters
oFF
Turn off the output channel (factory default).
PId
Set the output to Proportional-Integral-Derivative (PID) Control.
oN.oF
Set the output to On/Off Control Mode.
RtRN
Set up the output for Retransmission (IAN1 Only).
RE.oN
Turn on the output during Ramp events.
SE.oN
Turn on the output during Soak events.
4.5
On/Off Control Mode (PRoG > {Output} > ModE > oN.oF)
For simple applications On/Off control mode can be used to maintain a rough temperature. This mode
can be used with either the SSR or Mechanical Relay but not with the Analog Output.
On/Off control mode turns an output On or Off based on if the process value is above or below the
setpoint. In On/Off control mode the direction of control is set in the Action (
ACtn
) menu and a
Deadband is set in the (
dEAd
) menu.
For
ACtN
, select the correct setting:
Setting
Parameters
RVRS
Reverse: Output remains
On
until (Process Value
>
Setpoint) then
Output remains
Off
until (Process Value
<
Setpoint
–
Deadband)
dRCt
Direct: Output remains
On
until (Process Value
<
Setpoint) then
Output remains
Off
until (Process Value
>
Setpoint
+
Deadband)
The Deadband represents how much the process value must revert, after reaching the setpoint, before
the output will activate gain. It prevents the output from rapidly cycling on and off. Use the (
dEAd)
menu to set the desired value. The default deadband is 5.0. A deadband of zero will turn the output
back on immediately after it crosses the setpoint.
