Manual – 3000 NRL Family
Unidata Manual - 3000 NRL Family - 17 09 2018.docx
Page 39
5.5 3001B-M0
–
Connections/Terminations
5.5.1
Option 1 SDI-12 INSITU Sensor
5.5.2
Option 2 Modbus INSITU Sensor
JP Config
Connection
Description
Cable Colour
JP1 – CLOSED
(to supply power to sensor)
JP2 – OPEN
JP3 IN POSITION 1
(linking pins 1&2 to ground
black wire)
JP4 - OPEN
P8 C0
N/A
N/A
P1 SDI
SDI-12 Signal
White
P9 GND
N/A
N/A
P2 MB+
Ground
Blue
P3 MB-
Ground
Green
P7 GND
Insitu housing GND
TBA
P4 ILP
N/A
N/A
P5 IPWR
External Power
Red
P6 G/LP/A
Ground
Black
JP Config
Connection
Description
Cable Colour
JP1 – CLOSED
(to supply power to sensor via
Red P5)
JP2 – OPEN
JP3 IN POSITION 1
(linking pins 1&2 to ground
black wire)
JP4 - OPEN
P8 C0
N/A
N/A
P1 SDI
N/A
N/A
P9 GND
N/A
N/A
P2 MB+
RS485+
Blue
P3 MB-
RS485-
Green
P7 GND
Insitu housing GND
TBA
P4 ILP
N/A
N/A
P5 IPWR
N/A
N/A
P6 G/LP/A
Ground
Black