Main Menu - Reference/Ramps - Group 3 - Trane TR200 Series Programming Manual

Main Menu - Reference/Ramps - Group 3

3-0* Reference Limits
Parameters for setting the reference unit, limits and ranges.
Please see also par. 20-0* for information on settings
in closed loop.
3-02 Minimum Reference
Range:
0.000 [-999999.999 - par. 3-03
Referen- ReferenceFeedbackUnit]
ceFeed-
backU-
nit*
3-03 Maximum Reference
Range:
50.000 [par. 3-02 - 999999.999 Ref-
Referen- erenceFeedbackUnit]
ceFeed-
backU-
nit*
3-04 Reference Function
Option:
[0] * Sum
[1] External/Preset
Shift between external and preset via a command on a digital input.
3-1* References
Parameters for setting up the reference sources.
Select the preset reference(s).
in par. group 5-1*.
3-10 Preset Reference
Array [8]
Range:
0.00 %* [-100.00 - 100.00 %]
TR200 Programming Guide
Function:
Enter the Minimum Reference. The Minimum Reference is the lowest
value obtainable by summing all references. The Minimum Reference
value and unit matches the configuration choice made in par.1-00
figuration Mode and par.20-12
NOTE: This parameter is used in open loop only.
Function:
Enter the maximum acceptable value for the remote reference. The Max-
imum Reference value and unit matches the configuration choice made
in par.1-00 Configuration Mode
respectively.
NOTE: If operating with par.1-00
[3], par.20-14 Maximum Reference/Feedb.
Function:
Sums both external and preset reference sources.
Use either the preset or the external reference source.
Select Preset ref. bit 0 / 1 / 2
Function:
Enter up to eight different preset references (0-7) in this parameter, using
array programming. The preset reference is stated as a percentage of the
value Ref MAX (par.3-03
20-14 Maximum Reference/Feedb.). When using preset references, select
Preset ref. bit 0 / 1 / 2 [16], [17] or [18] for the corresponding digital inputs
in parameter group 5-1* Digital Inputs.
Parameter Description
Reference/Feedback
and par.20-12 Reference/Feedback
Configuration Mode
must be used.
[16], [17] or [18] for the corresponding digital inputs
Maximum Reference, for closed loop see par.
Con-
Unit, respectively.
Unit,
set for Closed Loop
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