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7.4 Electrical Connections
Use conductive silicon tubing, compression fittings, or some other electrically conduc-
tive connection between the denuders and the sample inlet tubing. Refer to the mainte-
nance section for information on rejuvenating the denuders.
7.4 Electrical Connections
There are only two electrical connections required for the PILS: input AC power and serial
communication with a computer.
Reference figure 17 for a photo of the back panel of the PILS. The figure shows the 1/2 inch
compression fitting for the sample inlet flow, the vacuum connector (3/8" swagelock),
the Data connection and the AC power connector and power switch.
WARNING: The PILS requires EITHER 115VAC OR 230VAC input power, de-
pending on the heater installed. Pay special attention to the input power voltage re-
quired per the label on the rear panel of your PILS.
Connect the AC power chord found in the ship kit to the back of the PILS. Leave the power
switch in the OFF position. Reference figure 17.
7.5 Computer Connections
The RS232 port in figure 17, may be used to establish serial communication with the PILS
from a user-supplied computer. An interface cable with a serial connector is provided in
the PILS ship kit.
The detailed settings for the serial port: 8 data bits, 1 stop bit, no parity; Baud rates:
38.4k, 57.6k, or 115.2k.
Setup the laptop computer near your PILS and connect the RS-485-to-USB cable from
the ship kit to the laptop using a free USB port. Attach the other end of the cable to the
Data connector on the back panel of the PILS. Be sure to screw the RS-232 connector
on the cable to the mating connector on the rear panel of the PILS to hold it properly in
place, otherwise it may become disconnected, resulting in poor communication.
83-00009-01A
PILS 4001-115V and 4001-230V
Page 45 of 74
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