TSI Instruments AEROTRAK+ 6201, Operation Manual, Page: 22 / 56

2
–4
AeroTrak
®
+ Remote Particle Counter Operation Manual
4-20 mA Analog Output / Wireless Connector
This 6-pin connector is used for either a 3-channel 4
–20 mA output or to
connect to a TSI wireless node, depending on the model used.
Two (2) of the analog
outputs are configurable, via
the Configuration Utility, to
linear/log scale and linked to
a particle channel.
Terminal Channel Direction
1 A Output
2 A Return
3 B Output
4 B Return
5 Status Output
6 Status Return
The last analog output is
dedicated to status
information. The output will
go to a nominal current value
that corresponds to the
condition listed in table.
Current
Flow
Status
Laser
Status
8 mA OK OK
12 mA OK Alarm
16 mA Alarm OK
20 mA Alarm Alarm
Tubing C onnect ions
Inlet
The direct-mount sampling inlet at the top of the device can be
configured to sample standalone, connected to a sample tube, or
connected to an isokinetic sampling inlet. See the table of
optional
accessories in Chapter 1 for more information.
0.1 CFM Inlet 1.0 CFM Inlet