Synergy Controller Technical Manual, Revision H
Page 47
6.3 PID Settings
The Synergy Controller implements the Proportional, Integral, and Derivative (PID) algorithm for each control
channel. The Synergy Controller PID algorithms are designed to automatically adjust the output variables to
hold the process variable at the setpoint while minimizing instability and error.
The PID Settings screen is used to edit the constants that control the PID algorithms. In general, PID
adjustment should only be performed by a qualified technician. If you would like to know more about PIDs
we have included a brief tutorial below. For PID tuning procedures, see section 16.0
6.3.1
Heat and Cool
The parameters for Heat and Cool PID are :
♦
Prop. Band Heating
♦
Reset Channel n Heating
♦
Rate Channel n Heating
♦
Cycle Time for Ch n Heating
♦
Rate Band for Ch n Heating
Where n is the Channel.
SETUP\PID Settings\PID Ch n\PID Ch n Heat\Prop. Band Ch n Heat\
PBnH
SETUP\PID Settings\PID Ch n\PID Ch 1 Heat\Reset Ch n Heat\
RSnH
SETUP\PID Settings\PID Ch n\PID Ch n Heat\Cycle Time Ch n Heat\
CTnH
When the controller is running, the control action can be monitored from the Channel PIDs screen in the
Maintenance directory.
Channel PIDs
To help with tuning, the control variables for each
channel are displayed in the Channel PIDs folder in
the Maintenance screen. Tap the Channel button
at the top of the screen to select the channel. The
following parameters are displayed:
♦
Pn – Proportional Term
♦
In – Integral Term
♦
Dn – Not Used
♦
PID – PID Output
♦
Err – Current Error
♦
Last Err – Last Error
♦
Delta Err – Difference between current and last error
♦
P.B – Proportional Band Constant
♦
Reset – Reset Constant
♦
Rate – Not Used
Summary of Contents for Synergy Compact
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Page 142: ...Synergy Controller Technical Manual Revision H Page 142 TE1708 6 Relay Board Schematic...
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