<3. Installation and Wiring>
3-1
IM 12J05D02-01E
3.
Installation and Wiring
3.1
Installation and dimensions
CAUTION
Installation must be performed by a qualified personnel. If this rules is not followed and a damage
occurs, Yokogawa will not be held responsible.
3.1.1
Installation site
CAUTION
This instrument is a Class A product, and it is designed for use in the industrial environment.
Please use this instrument in the industrial environment only.
The EXA converter is weatherproof and can be installed inside or outside. It should, however,
be installed as close as possible to the sensor to avoid long cable runs between sensor and
converter. In any case, the cable length should not exceed 50 meters (162 feet). For an optical
dissolved oxygen sensor, the allowable maximum cable length is 10 m. Select an installation site
where:
• Mechanical vibrations and shocks are negligible
• No relay/power switches are in the direct environment
• Access is possible to the cable glands (see figure 3.1)
• The converter is not mounted in direct sunlight or severe weather conditions
• Maintenance procedures are possible (avoiding corrosive environments)
The ambient temperature and humidity of the installation environment must be within the limits of
the instrument specifications. (See chapter 2).
3.1.2
Mounting methods
Refer to figures 3.2 and 3.3. Note that the EXA converter has universal mounting capabilities:
• Panel mounting using optional brackets
• Surface mounting on a plate (using bolts from the back)
• Wall mounting on a bracket (for example, on a solid wall)
• Pipe mounting using a bracket on a horizontal or vertical pipe (maximum pipe diameter 50 A)
9th Edition: Aug. 05, 2015-00
Содержание EXA DO402G
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