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2150EX Area Velocity Flow Module
Section 1 Introduction
1-11
Figure 1-5 2150EX Area Velocity Flow System Communication Connector Pins
CAUTION
The connector of the interrogator cable and protective cap both
have an alignment key to ensure proper connection. Observe
proper alignment and NEVER reverse the connector. Even a
momentary pin short can cause permanent damage to the bat-
teries.
A
B
C
D
E
F
G
Communications Port
Table 1-9 Communication Connector Pins
Pin Name Description
A NETA Network differential transceiver Data A
B NETB Network differential transceiver Data B
C VIN+ Positive power supply voltage input (+8 VDC nominal)
D VIN– Negative power supply voltage input (0 VDC nominal)
E RCVUP PC data receiver RS232 compatible input
F XMTUP PC data transmit RS232 compatible output
G Key Aligns connector pins