Mounting And Wiring - Extech Instruments SD750 User Manual

Mounting and Wiring
o
The SD750 can be placed on a tabletop using the supplied tilt stand, it can be wall
mounted using the rear mounting access holes, or it can be laid flat on a desktop or other
surface.
o
Up to three 4‐20mADC pressure transducers (two‐wire) can be connected to the bottom
of the SD750 as shown in the diagram below.
o
Wiring for 2‐wire transmitters must be configured exactly as shown in the diagram. Only
the two terminals on the right for each channel group are to be used. The two terminals
on the left for each channel group are unused.
o
Signal positive (S+) and Power positive (V+) are connected to the same terminal as shown
in the diagram below. Signal negative (S–) and Power negative (V‐) are connected to the
same terminal as shown below.
CH1
S+ S-
V+ V-
CH2
S+ S-
V+ V-
5
CH3
S+ S-
V+ V-
SD750-EU-EN V1.6 08/13