Cameron NUFLO 1141C, User Manual

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Table 3.2—Terminals on the Main Board
Source Terminal # Description
36 RTD+/ AnIn, RTD+/- are one
temperature input or 2 analog inputs
37 RTD-/ AnIn, RTD+/- are one
temperature input or 2 analog inputs
A18, A19, A20
RTD/Analog Input
38 AGnd – Analog ground
39 AnOut+, Analog A11 Analog Output
40 AnOut-, Analog output -
41 Tx – RS-232C transmit output
42 Rx – RS-232C receive input
43
RTS – RS-232C request to send
(RTS) output
44 CTS – Auxiliary serial port clear to
send (CTS) input
45 DGnd – Digital ground
46 RS-485+
A21 Serial Port
47 RS-485-
48 VTx1, power for transmitters
49 Pin+, Pulse input positive
A14 Pulse Input
50 Pin-, Pulse input negative
Table 3.3—Inputs Requiring Connectors
Source Location
A01 Serial Port 4-pin Molex connector, adjacent to terminals 12 - 15
A08 RTD
RTD as part of serial MVT/RTD (A22 MVT), terminals are on the round interconnect
board located near the MVT
A12 (A22 MVT) MVT-DP, connected by a 20-conductor ribbon cable
A13 (A22 MVT) MVT-SP, connected by a 20-conductor ribbon cable