Contents
MetPak RG User Manual
Last Change
©
Gill Instruments Ltd
12 February, 2013
Page 13
2.2.5
Digital Rain Gauge Connections
Rain Gauge Digital Switch Connection (DIG 1)
J8 Hub Box
2 Way Terminal Block
Digital Switch e.g.
Rain Bucket
Signal Names
Terminal
Nos.
Supplied 6M Cable
Signal Names
DIG 1
GND
2
1
Switch Contact
Return Switch Contact
Chassis
Ground
Terminal
Post
Screen Wire
Chassis Ground
Figure 10
MetPak RG DIG 1 Rain Gauge Connections
To connect the Rain Gauge 6 Metre lead to the Hub Box.
1.
Open MetPak RG’s hub box by unfastening the four screws.
2.
Locate connector J8 (see Figure 3).
3.
Pass the cable through one of the gland nuts (see Note below).
4.
Connect the cable as detailed in Figure 10.
5.
Attach the cable’s screen wire to a terminal post.
6.
After connection, securely tighten the gland nut to prevent moisture ingress.
7.
NOTE
: The MetPak RG Hub Box cable glands contain spring loaded metal
leaves that are designed to make a ground contact with cables that have an
overall braid screen. Care is therefore required when inserting and removing
cables through the glands to prevent damage to the metal leaves.
J8 Terminal 1
J8 Terminal 2
Rain Gauge
Cable Entry
Gland.
Clear
Black
Rain Gauge
Connections