Analog Output Operation - Hitachi WJ200 Series Quick Reference Manual

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Analog Output Operation

In inverter applications it is useful to monitor the
inverter operation from a remote location or from the
front panel of an inverter enclosure. In some cases,
this requires only a panel-mounted volt meter. In other
cases, a controller such as a PLC may provide the
inverter's frequency command, and require inverter
feedback data (such as output frequency or output
current) to confirm actual operation. The analog output
terminal [AM] serves these purposes.
The inverter provides an analog voltage output on terminal [AM] with terminal [L] as analog
GND reference. The [AM] can output inverter frequency or current output value. Note that
the voltage range is 0 to +10V (positive-going only), regardless of forward or reverse motor
rotation. Use
Func.
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C028 to configure terminal [AM] as indicated below.
Code
Inverter output frequency
00
Inverter output current
01
Inverter output torque
02
Digital output freqnency
03
Inverter output goltage
04
Inverter input power
05
C028
Electronic Thermal Load
06
LAD frequency
07
08 Digital current monitor
10 Cooling fin temperature
12 General purpose
15 Pulse train
Option
16
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Description
44
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AM H O OI L
Analog +
A GND
Voltage
Output
10VDC
full scale,
1mA max
See I/O specs on page 4-6
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