3.3.3 Wire the intrinsically safe Analog outputs version using
galvanic isolators
Micro Motion provides a galvanic isolator installation kit specific to wiring the Analog
version of the meter in a hazardous area. Contact your local sales representative or
Micro Motion Customer Support at flow.support@emerson.com for more information on
ordering an isolator kit for your meter.
CAUTION!
• Meter installation and wiring should be performed by suitably trained personnel only in
accordance with the applicable code of practice.
• Refer to the hazardous area approvals documentation shipped with your meter. Safety
instructions are available on the Micro Motion Product Documentation DVD and
accessible on the Micro Motion website at www.micromotion.com.
The galvanic isolator kit (Analog version) provides isolators for connecting the following
outputs. Use the provided isolators with the designated output.
Note
The RS-485 barrier is not isolated.
Output(s) Isolator
4–20 mA + HART MTL5541
4–20 mA MTL5541
Modbus/RS-485 MTL7761AC
Power MTL5523
Procedure
Wire the isolators to the appropriate output terminal and pins (see Figure 3-4).
Wiring
24 Micro Motion Compact Density Meter
To Next Page
Loading...
