Specifications

Speed open loop
Configuration mode
Input command:
freeze reference
Process control
Scale to Hz
Scale to process unit
Remote reference/ setpoint
±200%
Feedback handling
Remote reference in %
maxRefPCT
minRefPct
min-max ref
Freeze reference & increase/ decrease reference
±100%
Input commands:
Speed up/speed down
±200%
Relative reference = X+X*Y/100
±200%
External reference in %
±200%
Parameter choise: Reference resource 1,2,3
±100%
Preset reference
Input command: preset ref bit0, bit1, bit2
+
+
Relative scalling reference
Intern resource
Preset relative reference
±100% Preset reference 0 ±100%
Preset reference 1 ±100%
Preset reference 2 ±100%
Preset reference 3 ±100%
Preset reference 4 ±100%
Preset reference 5 ±100%
Preset reference 6 ±100%
Preset reference 7 ±100%
Extern resource 1
No function
Analog reference ±200%
Local bus reference ±200%
Extern resource 2
No function
Analog reference ±200%
Local bus reference ±200%
Extern resource 3
No function
Analog reference ±200%
Local bus reference ±200%
Y
X
130BB900.12
Illustration 2.8 Block Diagram Showing Remote Reference
Introduction to VLT HVAC Ba... VLT HVAC Basic Drive Design Guide
26 MG.18.C2.02 - VLT
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