Manual – 3000 NRL Family
Unidata Manual - 3000 NRL Family - 06 08 2019.docx
Page 36
5.5.7 Option 7 SQL 3 wire 4-20mA sensor
5.5.8 Option 8 SQL 2 wire 4-20mA sensor
JP Config
Connection
Description
Cable Colour
JP1 – CLOSED
(as needed, to supply power
to sensor)
JP2 LEFT
(linking pins 2&3 )
JP3 RIGHT
(linking pins 1&2 to ground
black wire)
JP4 - CLOSED
(to feed return current through
loop current sensing resistor)
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
4
4-20mA Input
Brown
5
Sensor Power
(optional)
Red
7
Ground
Black
JP Config
Connection
Description
Cable Colour
JP1 – CLOSED
(as needed, to supply power
to sensor)
JP2 LEFT
(linking pins 2&3 )
JP3 RIGHT
(linking pins 1&2 to ground
black wire)
JP4 - CLOSED
(to feed return current through
loop current sensing resistor)
JP5 – CLOSED
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
4
Loop Return
Brown
5
Loop Send
Red
7
Case Ground/Shield
Black