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Chapter 4
34
Wiring the Analog Output
System specifications:
•
Output voltage: 0 to 5 VDC. With a maximum output of 15 mA.
•
Output Current 4 mA to 20 mA with a maximum load impendence
of 250 ohms.
•
Correct polarity must be observed (see pin-outs above).
Wiring the Alarm
System specifications:
•
Maximum voltage: 15 VDC (
DO
NOT USE AC POWER
)
•
Maximum current: 1 Amp
•
Correct polarity must be observed (see pin-outs above)
•
The alarm switch, located inside the DustTrak
™ monitor must be
located on the ground side of the alarm system.
W A R N I N G
•
The Alarm Output function
SHOULD NOT
be used
to detect hazardous conditions or to provide an
alarm for protecting human life, health, or safety.
•
When connected to the analog out and alarm out
connector, you
MUST
use safety certified
equipment and/or power sources.
C A U T I O N
The alarm switch
MUST NOT
be wired to AC power!
Failure to install the user alarm properly could damage
the DustTrak
™
instrument and/or void the instrument
warranty! Please read and follow all instructions before
wiring or operating the user alarm.
Содержание DustTrak 8540
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