
Get Started
248083227-1 Rev 8
3-5
DIP Switches
The DIP switches set the address of the instrument for RS485 daisy
chain configurations and the communications mode. See “DIP Switch
configuration for Communications Mode” on page 4-2 for details.
Positions 1-6 set the address of the instrument.
Position 7 and 8 set the communications mode.
To change the switch positions requires a small Phillips screwdriver to
remove the cover plate and a small pointed tool, such as a paper clip.
Power
This REMOTE instrument uses an external 24VDC power supply. The
power input is 100-240 VAC, 50-60Hz, 0.4A and output is
24VDC,
0.62A.
External Alarm Output
The External Alarm Output is a 2-wire, normally-open dry contact
relay rated at 0-60V AC/DC, 1A.
The 2-position screw terminal block can be removed from the
instrument by unscrewing the holding screws on either side of the
connector block.
The external alarm is triggered when the alarm-enabled channel’s
particle count exceeds the configured threshold. The alarm will stay
active until the beginning of the next sample which resets it to Off.
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