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8
...3 SET UP MODE
...3.2 Level 2 – Tune
•1
2. 2 0
FFbS
0. 0
2. . 2 1
Cbnd
OFF
•2
2. . . 2 2
Y1. S t
50. 0
•2
2. . . 2 3
Y2. S t
50. 0
LEV2
tUNE
•1
Only displayed if a feedforward template is selected – see Section 4.2, Basic Configuration/ Template Application.
Not applied to Control Output when Feedforward Gain (frame 2.19) is set to 'OFF'.
•2
Only displayed if a Heat/Cool output type is selected – see Section 4.2, Basic Configuration/ Output Type.
40
Feedforward Bias
[–100.0% to 100.0%]
Control Deadband
When the process variable is in the deadband, changes to the control
output due to proportional and integral action are suppressed. When a
cascade template is selected, the control deadband is applied to the
master output only.
[In engineering units or 'OFF']
Process Variable
Heat/Cool Output 1 Start
This parameter defines the PID output value above which Output 1 (heat)
becomes active.
[0.0 to 100.0%]
Reverse-direct
or direct-reverse
100%
Output 2
0%
0%
Y2. S t
Y1. S t
PID Output
Heat/Cool Output 2 Start
This parameter defines the PID output value below which Output 2 (cool)
becomes active.
[0.0 to ≤ Y1st %] – see Heat/Cool Output 1
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Set Point
Deadband
Control Output
Reverse-reverse
or direct-direct
100%
Output 2
Output 1
0%
100%
0%
Y2. S t
2.20...2.23
Output 1
Y1. S t
100%
PID Output
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