Emerson PACMotion VFD Series User Manual page 59

Par Parameter Name
P2-26 Spin start
0 Disabled
1 Enabled
2 Enabled on trip, brown
out, coast
P2-27 Standby mode delay time
This parameter defines the time period, whereby if the drive operates at the frequency / speed set in P3-14
(Standby speed threshold) for greater than the set time period, the PACMotion VFD output will be disabled,
and the display will show Standby. The function is disabled if P2-27 = 0.0.
P2-28 Slave mode speed scale control
Active in Keypad mode (P1-12 = 1 or 2) and Slave mode (P1-12=5) only. The keypad reference can be
multiplied by a preset scaling factor or adjusted using an analog trim or offset.
0 Disabled (No Scaling)
1 Master Speed * P2-29
2 (Master Speed * P2-29) + analog input 1
3 (Master Speed * P2-29) * analog input 1
P2-29 Slave mode speed scaling factor
Used in conjunction with P2-28.
P2-30 Analog input AI1 signal format
Setting
0-10 volt
10-0 volt
-10-0 volt
0-20 mA
4-20 ma, trip on loss
4-20 mA, pr, spd 1 on
loss
20-4 mA, trip on loss
20-4 mA, pr, spd 1 on
loss
P2-31 Analog input AI1 scaling
Scales the analog input by this factor, e.g. if P2-30 is set for 0 – 10 V, and the scaling factor is set to 200.0%, a
5 volt input will result in the drive running at maximum speed (P1-01).
P2-32 Analog input AI1 offset
Sets an offset, as a percentage of the full scale range of the input, which is applied to the analog input signal.
P2-33 Analog input AI2 signal format
Setting
0-10 volt
10-0 volt
Motor thermistor
input
0-20 mA
4-20 ma, trip on loss
4-20 mA, pr, spd 8 on
loss
20-4 mA, trip on loss
20-4 mA, pr, spd 8 on
loss
P2-34 Analog input AI2 scaling
Scales the analog input by this factor, e.g. if P2-30 is set for 0 – 10 V, and the scaling factor is set to 200.0%, a
5 volt input will result in the drive running at maximum speed (P1-01).
GFK-3111A
Spin Start is not active. This setting should be used for all applications
where the motor is always stationary before the drive is enabled.
When enabled, on start up the drive will attempt to determine if the
motor is already rotating, and will begin to control the motor from its
current speed. A short delay may be observed when starting motors
which are not turning.
Spin start is active only following the listed conditions, otherwise spin
start is disabled.
Signal Format
0 to 10 Volt Signal (Uni-polar)
10 to 0 Volt Signal (Uni-polar)
-10 to +10 Volt Signal (Bi-polar)
0 to 20 mA Signal
4 to 20 mA Signal, the PACMotion VFD will trip and show the fault code 4-20F if the
signal level falls below 3 mA
4 to 20 mA Signal, the PACMotion VFD will ramp to Preset Speed 8 (P2-08) if the
signal level falls below 3 mA
20 to 4 mA Signal, the PACMotion VFD will trip and show the fault code 4-20F if the
signal level falls below 3 mA
20 to 4 mA Signal, the PACMotion VFD will ramp to Preset Speed 8 (P2-08) if the
signal level falls below 3 mA
Signal Format
0 to 10 Volt Signal (Uni-polar)
10 to 0 Volt Signal (Uni-polar)
Motor PTC Thermistor Input
0 to 20 mA Signal
4 to 20 mA Signal, the PACMotion VFD will trip and show the fault code 4-20F if the
signal level falls below 3 mA
4 to 20 mA Signal, the PACMotion VFD will ramp to Preset Speed 8 (P2-08) if the
signal level falls below 3 mA
20 to 4 mA Signal, the PACMotion VFD will trip and show the fault code 4-20F if the
signal level falls below 3 mA
20 to 4 mA Signal, the PACMotion VFD will ramp to Preset Speed 8 (P2-08) if the
signal level falls below 3 mA
PACMotion VFD AC Variable Speed Drive User Guide
Minimum Maximum Default
0 2
0.0 250.0
0 3
-500.0 500.0
See Below
0.0 2000.0
-500.0 500.0
See Below
0.0 2000.0
Units
0 -
0.0 Seconds
0 -
100.0 %
0-10 Volt -
100.0 %
0.0 %
0-10 Volt -
100.0 %
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