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Stall Prevention Level during Run
30%
100%
Analog Input Level
30%
100%
0
Figure 1.56 Stall Prevention During Run Using an Analog Input Terminal
Setting 9: Output Frequency Lower Limit Level
The user can adjust the lower limit of the output frequency using an analog input signal.
Setting B: PID Feedback
Supplies the PID feedback value. This setting requires PID operation to be enabled in b5-01.
.
Setting C: PID Setpoint
Supplies the PID setpoint value and makes the frequency reference selected in parameter b1-01 no longer the PID setpoint.
PID operation to be enabled in b5-01 to use this setting.
Refer to PID Setpoint Input Methods on page 32
.
Setting D: Frequency Bias
The input value of an analog input set to this function will be added to the frequency reference. This function can be used with
any frequency reference source.
Setting E: Motor Temperature
In addition to motor overload fault detection oL1, it is possible to use a PTC (Positive Temperature Coefficient) thermistor
for motor insulation protection.
Setting F: Through Mode
When set to F, an input does not affect any drive function, but the input level can still be read out by a PLC via APOGEE
FLN, BACnet, MEMOBUS/Modbus, or Metasys N2 communications.
Setting 16: Differential PID Feedback
If an analog value is set for this function, the PID controller is set for differential feedback. The difference of the PID feedback
input value and the differential feedback input value builds the feedback value used to calculate the PID input.
Feedback Input Methods on page 32
.
Setting 25: Secondary PI Setpoint
10 V = S3-02 (Maximum Output Frequency).
Setting 26: Secondary PI Feedback
10 V = S3-02 (Maximum Output Frequency).
u
H4: Multi-Function Analog Outputs
These parameters assign functions to analog output terminals FM and AM for monitoring a specific aspect of drive
performance.
n
H4-01, H4-04: Multi-Function Analog Output Terminal FM, AM Monitor Selection
Sets the desired drive monitor parameter U
o
-
oo
to output as an analog value via terminal FM and AM.
for a list of all monitors. The “Analog Output Level” column indicates whether a monitor can be
used for analog output.
Example: Enter “103” for U1-03.
No.
Name
Setting Range
Default
H4-01
Multi-Function Analog Output Terminal FM Monitor Selection
000 to 655
102
H4-04
Multi-Function Analog Output Terminal AM Monitor Selection
000 to 655
103
A setting of 031 or 000 applies no drive monitor to the analog output. With this setting, terminal functions as well as FM and
AM output levels can be set by a PLC via a communication option or MEMOBUS/Modbus (through mode).
1.7 H: Terminal Functions
YASKAWA ELECTRIC SIEP C710636 10C Z1000U HVAC MATRIX Drive Programming Manual
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1
Parameter Details