Frequency Reference; Selecting The Frequency Reference Source - Omron I537-E2-01 User Manual

Frequency Reference

This section explains how to input the frequency reference.
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Selecting the Frequency Reference Source

Set parameter b1-01 to select the frequency reference source.
„
Related Parameters
Param-
eter
Number
Reference selection
b1-01
„
Input the Reference Frequency from the Digital Operator
When b1-01 is set to 0, you can input the reference frequency from the Digital Operator.
For details on setting the reference frequency, refer to Chapter 3 Digital Operator and Modes.
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Inputting the Frequency Reference Using Voltage (Analog Setting)
When b1-01 is set to 1, you can input the frequency reference from control circuit terminal A1 (voltage input)
or control circuit terminal A2 (voltage or current input).
Inputting Master Speed Frequency Reference Only
If inputting the master speed frequency reference only, input the voltage reference to control circuit terminal
A1.
-4
6
Name
LCD Display
Set the frequency reference source
0: Digital Operator
1: Control circuit terminal (analog
Reference Source
2: RS-422A/485 communications
3: Option Card
Fig 6.3 Frequency Setting Display
2 kΩ
2 kΩ
Fig 6.4 Master Speed Frequency Reference Input
Setting
Description
Range
0 to 3
input)
Inverter
+V (Power supply: 15 V,
20 mA)
A1 (Master speed frequency
reference)
A2 (Auxiliary speed frequency
reference)
AC (Analog common)
Change
Factory during Access
Setting Opera- Level
tion
1 No Q