Campbell Scientific HUB-SDM5 Junction Box for SDMs - Manual (Page 6)

HUB-SDM5
2
screwdriver into the square slot located next to the circular wire port until it
bottoms out. For the cluster of four wire ports located on the left hand side of
the HUB-SDM5, the guillotine release slot is located to the right of the wire
port. For the wire ports on the right hand side of the HUB-SDM5, the
guillotine release slot is located to the left of the wire port. Once the
screwdriver has been completely inserted and has bottomed out, firmly press
the screwdriver down until the guillotine snaps open. Insert and hold the wire
as the screwdriver is removed.
4.1 Wiring SDM Devices
Before connecting the SDM signal cable to the terminals, strip the wire
insulation back to expose ¼ inch of bare wire. Feed the cable through the
bulkhead fitting. Neatly separate the five wires into the following order, SDM
data, SDM clock, SDM enable, SDM ground, and SDM shield.
FIGURE 1. HUB-SDM5 connecting four SDM devices to a datalogger.
Sealed Bulkhead fitting
To CSAT3 #1
To CSAT3 #2
To LI-7500 #2
To LI-7500 #1
To Datalogger