Emerson Process Management 3422 User Manual
Reference, Installation, and Operations Manual
Section 2: Product overview
3-9000-743 Rev S
June 2013
Daniel Mark III Ultrasonic Gas Flow Meters assembly
13
Lower intrinsically-safe base unit assembly
All Mark III meter models utilize the same lower intrinsically-safe base unit assembly (
Base Unit
•
encloses the intrinsically-safe Acquisition Board that interfaces with transducers
•
connects the main electronics assembly to the meter body
Figure 2-3 CPU Board (switch-side view)
When the analog Series 100 Option Board or the Series 100 Plus Option Board is installed,
its corresponding I/O connectors on the Field Termination Board are automatically
activated for use.
its corresponding I/O connectors on the Field Termination Board are automatically
activated for use.