Rice Lake CB-2 Concrete Batch Controller Version 1.0 - Manual (Page 10)

6 CB-2 Automated Concrete Batching System Installation/Operation Manual
2.2 CB-2 Main Junction Block
The CB-2 main junction box provides access for outside power to be brought into the enclosure using two sets of
customer supplied 110V power - one for the 920i indicator and the other for the relays/plant control.
Figure 2-2 illustrates the 12 pin connector used plus the relays.
Figure 2-2. CB-2 AC Power Junction Block
Table 2-1 lists the pin connections located on the BOTTOM ROW of the terminal strip for power to the CB-2.
Figure 2-3. AC Power 12 Pin Connector as Shown in Detail from Figure 2-2 (above)
Bottom Row Pin Number Function
1 Line 1, provides power to 920i
2 Neutral
3
4
5 Line 2, provides power to relays
6 Neutral
7
8
9 Ground
10
11
12
Table 2-1. CB-2 AC Power Junction Block Power Connections Into the Enclosure
Relay 1
R e l a y 2 A g g .
conveyor start Relay 3
R e l a y 4 A i r
Compressor
start
1 2 p i n
c o n n e c t o r w /
pin 1 starting at
left and shown
in greater detail
i n F i g u r e 2 - 3
below.