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2 md485 multidrop interface at the computer, 4 sealing and desiccating the enclosure – Campbell Scientific CM6/CM10 Tripod Weather Station Installation User Manual

Page 39

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Section 3. Instrumentation Installation

3.3.6.2 MD485 Multidrop Interface at the Computer

1. Connect the CABLE3CBL cable to one of the MD485’s RS-485 ports.

2. Attach one end of the #10873 RS-232 cable to the MD485’s RS-232 port.

3. Attach the other end of the #10873 RS-232 cable to the computer’s

RS-232 port.

4. Attach the barrel plug of the #15966 wall charger to the MD485’s Pwr

port, then plug the wall charger into an AC outlet.

Connects to another MD485
via the CABLE3CBL-L three
conductor 22-AWG cable

Connects to a PC via
the #10873 cable

Connects to the
datalogger CS I/O port
via an SC12 cable

FIGURE 3.3-5. You can configure any two types of interface ports

(RS-485, RS-232, and CS I/O) to be used at a time.

3.4 Sealing and Desiccating the Enclosure

CSI enclosures include an Enclosure Supply Kit with the following items:

(4) Desiccant packs

(1) Humidity indicator card

(6) 4-inch cable ties

(6) 8-inch cable ties

(4) Cable tabs

(1) 4 oz. sealing putty

Items in the Enclosure Supply Kit are used to strain relief the sensor leads, and
to seal and desiccate the enclosure, as shown in Figure
3.4-1.

1. Secure the sensor leads to the left side of the enclosure and to the

datalogger using cable ties and tabs.

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