Campbell CM10, Instruction Manual

Page: 39 / 68

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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