Hach-Lange 3705 sc - Manual (Page 14)

12
Installation
3.3 Mounting the Digital Gateway
The digital gateway is supplied with a mounting clip for mounting to a wall or other flat
surface. Digital gateway dimensions are shown in
Figure 6 . Use an appropriate fastener to
secure it to the wall. After the sensor is wired to the digital gateway and the two halves are
threaded together, place the mounting clip over the center of the digital gateway and
squeeze the clip together to secure. See
Figure 7 .
Figure 6 Digital Gateway Dimensions
Figure 7 Mounting the Digital Gateway
Table 4 Wiring the Sensor at Terminal Block J5
Terminal Number Terminal Designation Wire Color
1 Data (+) Blue
2 Data (–) White
3 Service Request No Connection
4 +12 V dc Brown
5 Circuit Common Black
6 Shield Shield (grey wire in existing quick disconnect fitting)
1. Mounting clip 3. Hex nut, ¼-28
2. Screw, pan head, ¼-28 x 1.25-in.es 4. Mount clip, insert digital gateway, squeeze clip closed
184.15 mm (7.25 inches) 34.29 mm
(1.35 inches)