5.7 H: Terminal Functions
YASKAWA ELECTRIC
SIEP C710636 02B YASKAWA U1000 Technical Manual
289
5
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Multi-Function Analog Input Terminal Settings
See
for information on how H3-02, H3-10, and H3-06 determine functions for terminals A1, A2, and A3.
Note:
The scaling of all input functions depends on the gain and bias settings for the analog inputs. Set these to appropriate values
when selecting and adjusting analog input functions.
Table 5.41 Multi-Function Analog Input Terminal Settings
Setting 0: Frequency bias
The input value of an analog input set to this function will be added to the analog frequency reference value. When the
frequency reference is supplied by a different source other than the analog inputs, this function will have no effect. Use
this setting also when only one of the analog inputs is used to supply the frequency reference.
By default, analog inputs A1 and A2 are set for this function. Using A1 and A2 at the same time increases the frequency
reference by the total of all inputs.
Example: If the analog frequency reference from analog input terminal A1 is 50% and a bias of 20% is applied by analog
input terminal A2, the resulting frequency reference will be 70% of the maximum output frequency.
Setting 1: Frequency gain
The input value of an analog input set to this function will be multiplied with the analog frequency reference value.
Example: If the analog frequency reference from analog input terminal A1 is 80% and a gain of 50% is applied from
analog input terminal A2, the resulting frequency reference will be 40% of the maximum output frequency.
Setting 2: Auxiliary reference 1
Sets the auxiliary frequency reference 1 when multi-step speed operation is selected.
for details.
Setting 3: Auxiliary reference 2
Sets the auxiliary frequency reference 2 when multi-step speed operation is selected.
for details.
Setting 4: Output voltage bias
Voltage bias boosts the output voltage of the V/f curve as a percentage of the maximum output voltage (E1-05). Available
only when using V/f Control.
Setting 5: Accel/decel time gain
Adjusts the gain level for the acceleration and deceleration times set to parameters C1-01 through C1-08.
The acceleration time used by the drive is calculated by multiplying the this gain level to C1-
as follows:
C1-
×
Accel/decel time gain = Drive accel/decel time
Setting
Function
Page
Setting
Function
Page
0
Frequency bias
E
Motor temperature (PTC input)
1
Frequency gain
F
Through mode
2
Auxiliary frequency reference 1
10
Forward torque limit
3
Auxiliary frequency reference 2
11
Reverse Torque Limit
4
Output voltage bias
12
Regenerative torque limit
5
Accel/decel time gain
13
Torque limit using torque reference/speed limit
6
DC Injection Braking current
14
Torque compensation
7
Overtorque/Undertorque detection level
15
General torque limit
8
Stall Prevention level during run
16
Differential PID feedback
9
Output frequency lower limit level
1F
Through mode
B
PID feedback
30
DriveWorksEZ analog input 1
C
PID setpoint
31
DriveWorksEZ analog input 2
D
Frequency bias
32
DriveWorksEZ analog input 3
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