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Option
Code
Terminal
Symbol
Function Name State Description
ON
• Transitions to ON when the inverter is in RUN
Mode and the PID Process Variable (PV) is less
than the Feedback Low Limit (C053)
07 FBV Feedback Value
Check
OFF
• Transitions to OFF when the PID Feedback
Value (PV) exceeds the PID High Limit (C052)
• Transitions to OFF when the inverter goes from
Run Mode to Stop Mode
Valid for inputs: 11, AL0 – AL2
Required settings
A076, C052, C053
Notes:
• The [FBV] is designed for implementing two-
stage control. The PV high limit and PV low
limit parameters, C052 and C053, do not
function as process alarm thresholds. Terminal
[FBV] does not provide a PID alarm function.
• The example circuit for terminal [11] drives a
relay coil. Note the use of a diode to prevent the
negativegoing turn-off spike generated by the
coil from damaging the inverter’s output
transistor.
Example for terminal [11] (default output
configuration shown – see page 3-54):
Example for terminal [AL0], [AL1], [AL2] (requires
output configuration – see page 4-35 and 3-54):
See I/O specs on page 4-6
RY
Inverter output
terminal circuit
CM2 11
FBV
AL1
Power
supply
Load
AL0 AL2
Inverter logic
circuit board
FBV
4
−
47
Operations and
Monitoring