Yaskawa Z1000U HVAC Matrix Bypass User Manual
Page 176
0
2.0 V
10 V
100 %
Frequency
reference
-25%
H3-01 = 0
H3-01 = 1
H3-01 = 0
Analog Input
Voltage
Figure 5.33 Frequency Reference Setting by Analog Input with Negative Bias
n
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 178
a list of functions and descriptions.
No.
Name
Setting Range
Default
H3-05
Terminal A3 Signal Level Selection
0 to 3
0
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 V with Zero Limit on page
Setting 1: -10 to 10 Vdc
The input level is -10 to 10 Vdc. See the explanation provided for H3-01.
Refer to Setting 1: 0 to 10 V without Zero Limit
Setting 2: 4 to 20 mA Current Input
The input level is 4 to 20 mA. Negative input values by negative bias or gain settings will be limited to 0%.
Setting 3: 0 to 20 mA Current Input
The input level is 0 to 20 mA. Negative input values by negative bias or gain settings will be limited to 0%.
n
H3-06: Terminal A3 Function Selection
Determines the function assigned to analog input terminal A3.
Refer to Multi-Function Analog Input Terminal Settings on
for a list of functions and descriptions.
No.
Name
Setting Range
Default
H3-06
Terminal A3 Function Selection
0 to 26
2
n
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).
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%
n
H3-09: Terminal A2 Signal Level Selection
Selects the input signal level for analog input A2. Set Jumper S1 on the terminal board accordingly for a voltage input or
current input.
No.
Name
Setting Range
Default
H3-09
Terminal A2 Signal Level Selection
0 to 3
2
5.7 H: Terminal Functions
176
YASKAWA SIEP YAIZ1D 01A Z1000U HVAC MATRIX Drive Bypass Technical Manual