Rice Lake CB-2 Concrete Batch Controller Version 1.0 - Manual (Page 8)

4 CB-2 Automated Concrete Batching System Installation/Operation Manual
2.0 Installation
This section explains the main junction box, load cell, digital I/O, and serial communications connections located
inside of the CB-2. The 920i HMI indicator is housed inside the CB-2 enclosure which is shown below in
Figure 2-1 along with examples of several other key component parts.
Figure 2-1. CB-2 Enclosure
• Use a wrist strap to ground yourself and protect components from electrostatic discharge (ESD) when
working inside the indicator enclosure.
• This unit uses double pole/neutral fusing which could create an electric shock hazard. Procedures
requiring work inside the indicator must be performed by qualified service personnel only.
• The supply cord serves as the power disconnect for the 920i . The power outlet supplying the indicator
must be installed near the unit and be easily accessible.
Expansion Board
Breakout Boards
Terminal Blocks Relay Racks
Agg Conveyor and Air
Compressor Latching
Relay Circuits
7ARNING