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OLCT 200 User Manual |
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Figure 2-2c: OLCT 200 Wireless Explosion-Proof Housing
Modular design simplifies the installation of the OLCT 200 (Figure 2-3). A top Display
Assembly is mounted with captive thumbscrews and is easily removed to access field-
wiring terminals. An optional 10-0234 Alarms/Modbus board mounts
piggyback
to the
back of the Display Assembly. Wiring from toxic or oxygen sensors terminates at the
10-0232 Display Assembly along with 2-wire 4-20mA signal wires. This Display
Assembly is the only PC board supplied with toxic / oxygen OLCT 200s not requiring
relays, RS-485 Modbus, HART or LCD backlight. The optional bottom 10-0233 I/O
Power Supply board generates voltages needed for LCD backlight, relays, RS-485
Modbus, HART and Bridge sensor and is required with any of these I/O functions. The
enclosure is equipped with two threaded 3/4 inch NPT conduit fitting outlet and pre-
drilled mounting flanges.
WARNING:
Qualified personnel should perform the installation according to applicable
electrical codes, regulations and safety standards. Insure correct cabling and sealing
fitting practices are implemented. Do not aim the sensor pointing upward. Install the
OLCT 200 to a wall or bracket using the predrilled mounting flanges with I.D. 0.25 on
5.5 inch centers (Figure 2-2). If conduit is rigid and able to support the weight of the
OLCT 200, the mounting bolts may be omitted.
CAUTION:
The sensor should never be installed pointing upwards.
Summary of Contents for OLCT 200
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Page 14: ...OLCT 200 User Manual 14 Figure 2 3a Outline Drawing OLCT 200 Wired Models...
Page 19: ...OLCT 200 User Manual 19 2 6 2 Installation Drawing 11 0100...
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Page 38: ...OLCT 200 User Manual 38 Figure 4 1 Calibration Gas Input...
Page 61: ...OLCT 200 User Manual 61 Figure 6 5...
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