Cameron NUFLO 1141C, User Manual

Page: 37 / 120

Chapter 3: Main Circuit Board Wiring
37
Field Wiring Termination
Table 3.2—Terminals on the Main Board
Source Terminal # Description
1 Earth ground
2 Power+ Charging Power
3 Power -
4 Batt+, Battery or DC power
5 Batt-, Battery or DC power supply,
return or -
Battery
Connections
6 5V Rad, 5 VDC @ 200 mA supply,
turned off by radio power save
7 BattRad, Battery voltage, turned off
by radio power save
8 RadCom, Signal Common or return
for radio power
9 Tx – RS-232C transmit output
10 Rx – RS-232C receive input
Radio Power
11 RTS – RS-232C request to send
(RTS) output
12 CTS – Auxiliary serial port clear to
send (CTS) input
13 DGnd – Digital ground
14 RS-485+
A02 Serial Port
15 RS-485-
A03 Status I/O 16 SIO – Status input/output
17 SIO – Status input/output A04 Status I/O
18 DGnd – Signal common
A05 Status I/O 19 SIO – Status input/output
20 SIO – Status input/output
21 DGnd – Signal common
A06 Status I/O
22 VTx1 – Power for transmitters
23 Pin+, Pulse input positive
24 Pin-, Pulse input negative
A07 Pulse Input
25 VTx2 – Power for transmitters
26 AnIn – Analog input
27 AGnd – Analog ground
A09 Analog Input
28 VTx2 – Power for transmitters
29 RTD+/ Anin – RTD+ for A15, or
Analog input A16, firmware select
30 RTD-/ Anin – RTD- for A15, or Analog
input A17, firmware select
31 AGnd – Analog ground
A15, A16, A17
RTD/Analog Input
32 VTx2 – Power for transmitters
33 AnIn – Analog input
34 AGnd – Analog ground
A10 Analog Input
35 VTx2 – Power for transmitters