Circutor QNA500 series Manual do Utilizador Página 24

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POWER QUALITY ANALYZER QNA500 8IO
QNA500 8IO Instruction manual
24 / 111
6.1.3.- INPUT-OUTPUT CENTRALIZER MODULE (M-8IO)
M-8IO is the input-output module of the MULTIFIT system. This module has 8 digital inputs and 8
digital outputs (relay or transistor, in accordance with the module) that can be used for various
functions.
Digital inputs:
Pulse counter
Status change control
Digital outputs:
Pulse transfer
Alarms
Remote control
M-8IO has a series of LEDs that provide information about the correct connections of the analyzer and
its correct operation.
LED
Power off
Power on
Flashing
POW
No power
Powered
External power supply (1 s)
Battery power supply (200 ms)
ST1
No errors
Memory error
ST2
No errors
Update in progress
Voltage
measurement
Earth-leakage
current
Measurement
Current
measurement
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