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Figure 1.52 Frequency Reference Setting by Analog Input with Increased Gain
• 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.
Figure 1.53 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
Terminal A3 Signal Level Selection
Setting 0: 0 to 10 Vdc
The input level is 0 to 10 Vdc. See the explanation provided for H3-01.
98.
Setting 1: -10 to 10 Vdc
The input level is -10 to 10 Vdc. See the explanation provided for H3-01.
on page
98.
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 101
for a list of functions and descriptions.
No.
H3-06
YASKAWA ELECTRIC SIEP C710636 10C Z1000U HVAC MATRIX Drive Programming Manual
Gain = 200 %
Frequency
reference
100 %
E1-04
Bias = 0 %
0 V
100 %
Frequency
H3-01 = 0
reference
0
-25%
Refer to Multi-Function Analog Input Terminal Settings on page 101
Name
Name
Terminal A3 Function Selection
H3-01 = 0
5 V
10 V
H3-01 = 0
2.0 V
10 V
Analog Input
Voltage
H3-01 = 1
Setting Range
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
Setting Range
1.7 H: Terminal Functions
Default
0 to 3
Default
0 to 26
for
0
1
2
99
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