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12
Alarm Output Circuit
Normally open relay circuit. The circuit behaves as below.
When operating normally:
An alarm pin and the common pin are open.
When a malfunction occurs or the power is off:
An alarm pin and the common pin are closed.
Pin 9 is a common pin for both power alarm and fan alarm.
Contact rating is 0.5A@30VDC
Alarm Output
VTW-350HS
Max
:
30V
Closed when a
malfunction
occurs or power
is off.
Relay contact
Relay contact
Pow Alarm
Fan Alarm
Common
GPI IN Circuit
Pulse level trigger type. GPI IN pin and GND pin change the state from open to close.
Pulse width: 100msec or more, pulse interval: 100msec or more.
GPI IN1 (Pin7)
From open to closed position
Enables the assigned function
GPI IN pulse
More than 100msec
More than 100msec
OPEN
CLOSE
GPI IN
VTW-350HS
GPI IN1-4
GND
More than 100msec
USO
RESTRITO