
POWER QUALITY ANALYZER QNA500 8IO
QNA500 8IO Instruction manual
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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.
External power supply (1 s)
Battery power supply (200 ms)
current
Measurement
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