Electrical installation
October 2023
Figure 3-14: Optional Expansion I/O Module
A. Expansion I/O Module
B. RS-232: RX, TX, COM/RS-485: TX+, TX- (2-wire Half Duplex)
C. 4-20 mA Input - AI3+/- (future use)
D. Ethernet port 1 switch
E. Ethernet port 2 switch
F. Ethernet port 3 switch
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Installation manual
00825-0600-3104
Gas Ultrasonic Flow Meters