Hach-Lange pHD sc - Manual (Page 14)

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Installation
3.2 Using the Digital Gateway
The digital gateway is designed to provide a digital interface to the controller.
3.2.1 Wiring the Digital Gateway
DANGER
Explosion hazard. Do not connect or disconnect equipment unless power has been
switched off or the area is known to be non-hazardous.
1. Route the cable from the sensor through the strain relief in the digital gateway then
properly terminate the wire ends (see
Figure 7 ).
Note: Do not tighten the strain relief until the digital gateway is wired and the two halves are
threaded securely together.
2. Insert the wires as shown in Table 3 and Figure 8 .
3. Make sure the O-ring is properly installed between the two halves of the digital
gateway and thread the two halves together. Hand tighten.
4. Tighten the strain relief to secure the sensor cable.
5. Connect the digital gateway to the controller.
Figure 7 Proper Wire Preparation and Insertion
1. Strip ¼-inch of insulation. 2. Seat insulation against connector with no bare wire exposed.
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