Emerson 3812 User Manual

Page of 138
Daniel 3812 Liquid Ultrasonic Flow Meter Installation Manual
Section 3: Electrical installation
3-9000-765 Rev H
May 2015
I/O connections
 55
 
Figure 3-4  PC to meter serial connection wiring
3.6
I/O connections
The meter provides the I/O connections on the CPU Module.  
Figure 3-5  CPU Module  I/O connections
RX
TX
COM
DB-9 Connector Female 
A.
B.
C.
D.
A. Frequency/Digital Output 2
B. Frequency/Digital Output 3
C. Analog Output 2,  4-20mA output
D. Analog Input - HART temperature and pressure connections