YASKAWA Z1000U Technical Manual page 144

Low harmonic drive bypass for hvac applications
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5.7 H: Terminal Functions
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.
a list of functions and descriptions.
No.
H3-05
Setting 0: 0 to 10 Vdc
The input level is 0 to 10 Vdc. See the explanation provided for H3-01.
143.
Setting 1: -10 to 10 Vdc
The input level is -10 to 10 Vdc. See the explanation provided for H3-01.
on page
143.
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.
page 146
for a list of functions and descriptions.
No.
H3-06
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.
H3-07
H3-08
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.
H3-09
144
100 %
Frequency
reference
-25%
Refer to Multi-Function Analog Input Terminal Settings on page 146
Name
Terminal A3 Signal Level Selection
Name
Terminal A3 Function Selection
Name
Terminal A3 Gain Setting
Terminal A3 Bias Setting
Name
Terminal A2 Signal Level Selection
H3-01 = 0
H3-01 = 0
0
2.0 V
10 V
Analog Input
Voltage
H3-01 = 1
Refer to Setting 0: 0 to 10 V with Zero Limit on page
Refer to Setting 1: 0 to 10 V without Zero Limit
Refer to Multi-Function Analog Input Terminal Settings on
YASKAWA SIEP YAIZ1D 01C Z1000U HVAC MATRIX Drive Bypass Technical Manual
Setting Range
0 to 3
Setting Range
0 to 26
Setting Range
-999.9 to 999.9%
-999.9 to 999.9%
Setting Range
0 to 3
for
Default
0
Default
2
Default
100.0%
0.0%
Default
2

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