6. Description of Parameters
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The four multi-reference terminals have 16 state combinations, corresponding to 16
references, as listed in the following table.
K4 K3 K2 K1 Reference Setting Corresponding Pr.
OFF OFF OFF OFF Reference 0 FC-00
OFF OFF OFF ON Reference 1 FC-01
OFF OFF ON OFF Reference 2 FC-02
OFF OFF ON ON Reference 3 FC-03
OFF ON OFF OFF Reference 4 FC-04
OFF ON OFF ON Reference 5 FC-05
OFF ON ON OFF Reference 6 FC-06
OFF ON ON ON Reference 7 FC-07
ON OFF OFF OFF Reference 8 FC-08
ON OFF OFF ON Reference 9 FC-09
ON OFF ON OFF Reference 10 FC-10
ON OFF ON ON Reference 11 FC-11
ON ON OFF OFF Reference 12 FC-12
ON ON OFF ON Reference 13 FC-13
ON ON ON OFF Reference 14 FC-14
ON ON ON ON Reference 15 FC-15
Besides multi-speed function, the multi-reference can be also used as PID
reference source or voltage source for V/F separation.
■
Simple PLC
When simple PLC is used to control frequency reference, the AC drive running frequency
can be selected from any of the 16 frequency reference set points.
Figure 6-21 Using simple PLC to control frequency reference
Running
direction
FC-18 FC-20
FC-00
FC-01
FC-02
FC-14
FC-15
DO or relay output
FC-19
FC-21
FC-23
Time
250 ms
pulse signal
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