Omron V1000, Руководство пользователя

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0 V 10 V
Gain = 0 %
Bias = 100 %
Frequency
reference
Figure 5.70 Frequency Reference Setting by Analog Input with Inverse Gain and Bias Settings
n 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.
No. Name Setting Range Default
H3-09 Terminal A2 Signal Level Selection 0 to 3 2
Setting 0: 0 to 10 Vdc with Lower Limit
The input level is 0 to 10 Vdc. Negative input values will be limited to 0. Refer to the explanation of H3-01, Setting 0.
Refer to Setting 0: 0 to 10 Vdc with Limit on page 178
Setting 1: 0 to 10 Vdc without Lower Limit
The input level is 0 to 10 Vdc. Negative input values will be accepted. Refer to the explanation of H3-01, Setting 1. Refer
to Setting 1: 0 to 10 Vdc without Limit on page 178
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 (like setting 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 (like setting 0).
n H3-10: Terminal A2 Function Selection
Determines the function assigned to analog input terminal A2. Refer to Multi-Function Analog Input Terminal
Settings on page 180 for a list of functions and descriptions.
No. Name Setting Range Default
H3-10 Terminal A2 Function Selection 0 to 31 0
n H3-11/H3-12: Terminal A2 Gain/Bias Setting
Parameter H3-11 sets the level of the selected input value that is equal to 10 Vdc/20 mA input at terminal A2 (Gain).
Parameter H3-12 sets the level of the selected input value that is equal to 0 Vdc/4 mA/0 mA input at terminal A2.
Both can be used to adjust the analog input A2 characteristics. The setting works in the same way as parameters H3-03/04
for analog input A1.
No. Name Setting Range Default
H3-11 Terminal A2 Gain Setting -999.9 to 999.9% 100.0%
H3-12 Terminal A2 Bias Setting -999.9 to 999.9% 0.0%
n H3-13: Analog Input Filter Time Constant
Parameter H3-13 sets the time constant for a first order filter that will be applied to both analog inputs A1 and A2.
No. Name Setting Range Default
H3-13 Analog Input Filter Time Constant 0.00 to 2.00 s 0.03 s
An analog input filter can be used to prevent erratic drive control when a “noisy” analog reference is used. The drive
operation becomes more stable the longer the time programmed, but it becomes less responsive to rapidly changing analog
signals.
n Multi-Function Analog Input Terminal Settings
This section describes the various functions that can be assigned to terminal A1 and A2 by setting H3-02 and H3-10.
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.
Setting Function Page Setting Function Page
0 Frequency Bias 181 F Not used/Through Mode 181
5.7 H: Terminal Functions
180 SIEP C710606 20 OYMC AC Drive - V1000 User Manual
7/16/2008-13:23