YASKAWA A1000

5.7 H: Terminal Functions
258 YASKAWA ELECTRIC SIEP C710616 27G YASKAWA AC Drive A1000 Technical Manual
• Gain H3-03 = 100%, bias H3-04 = -25%, terminal A1 as frequency reference input:
An input of 0 Vdc will be equivalent to
a -25% frequency reference.
When parameter H3-01 = 0, the frequency reference is 0% between 0 and 2 Vdc input.
When parameter H3-01 = 1, the motor will rotate in reverse between -10 and 2 Vdc input.
Figure 5.82
Figure 5.82 Frequency Reference Setting by Analog Input with Negative Bias
 H3-05: Terminal A3 Signal Level Selection
Selects the input signal level for analog input A3. Refer to Multi-Function Analog Input Terminal Settings on page 260
for a list of functions and descriptions.
Setting 0: 0 to 10 Vdc
The input level is 0 to 10 Vdc. See the explanation provided for H3-01. Refer to Setting 0: 0 to 10 Vdc on page 257.
Setting 1: -10 V to 10 Vdc
The input level is -10 to 10 Vdc. See the explanation provided for H3-01. Refer to Setting 1: -10 to 10 Vdc on page 257.

H3-06: Terminal A3 Function Selection
Determines the function assigned to analog input terminal A3. Refer to Multi-Function Analog Input Terminal Settings
on page 260 for a list of functions and descriptions.
When analog input A3 is used as PTC inpu
t set H3-06 = E and make sure switch S4 on the terminal board is set for PTC
input. Also refer to Terminal A3 Analog/PTC Input Selection on page 90.
 H3-07, H3-08: Terminal A3 Gain and Bias Setting
Parameter H3-07 sets the level of the selected input value that is equal to 10 Vdc input at terminal A3 (gain).
Parameter H3-08 sets the level of the selected input
value that is equal to 0 V input at terminal A3 (bias).
 H3-09: Terminal A2 Signal Level Selection
Selects the input signal level for analog input A2. Be sure to also set DIP switch S1 on the terminal board accordingly for
a voltage input or current input.
Setting 0: 0 to 10 Vdc
The input level is 0 to 10 Vdc. Refer to Setting 0: 0 to 10 Vdc on page 257
No. Name Setting Range Default
H3-05 Terminal A3 Signal Level Selection 0, 1 0
No. Name Setting Range Default
H3-06 Terminal A3 Function Selection 0 to 32 2
No. Name Setting Range Default
H3-07
Terminal A3 Gain Setting
-999.9 to 999.9% 100.0%
H3-08
Terminal A3 Bias Setting
-999.9 to 999.9% 0.0%
No. Name Setting Range Default
H3-09 Terminal A2 Signal Level Selection 0 to 3 2
2.0 V
10 V
-6.0 V-10 V
E1-04
0
-100%
-150%
2.0 V 10 V
100 %
Frequency
reference
-25%
-25%
H3-01 = 0
H3-01 = 1
H3-01 = 0
H3-01 = 1
100%
Analog Input
V
oltage
Analog Input
Voltage