Rice Lake CB-2 Concrete Batch Controller Version 1.0 - Manual (Page 5)

Introduction 1
About This Manual
This manual is intended for use by service technicians responsible for installing and servicing the CB-2 and the
end user who will be operating the CB-2 automated concrete batching system.
In this manual, you will see many references to the CB-2 and the 920i. To clarify, the CB-2 is a stand-alone batch
panel that includes Rice Lake’s 920i ® HMI digital weight indicator. The 920i is the heart and brain of the CB-2
and is responsible for weight/scale data as well as running the CB-2 batching program. The CB-2 also contains
additional hardware that is interfaced to the 920i. The majority of the additional hardware is for controlling the
batch plant through digital I/O and then through solid-state 120V/240V relay modules.
Some procedures described in this manual
require work inside the enclosure. These
procedures are to be performed by qualified
service personnel only. Authorized distributors and their employees can
view or download this manual from the Rice
Lake Weighing Systems distributor site at
www.ricelake.com .
1.0 Introduction
The CB-2 is a versatile, efficient concrete batching control system ideal for ready-mix, central mix, and block
plants. The CB-2 makes it easy and affordable to streamline your plant. From weighing raw material to automatic
printing of tickets and reports, the entire operation can be cost-effectively controlled from this one controller.
iRev
provides functions for installing the new software into the
920i
.
Standard Features - Hardware
Standard hardware features of the CB-2 include the
following:
• Panel type 920i HMI digital indicator that can
control up to three scales
• Six totalizing counters for units with admix
metering
• One addition totalizing counter for units with
metered water
• Twenty switch board assemblies with their
a s s o c i a t e d s w i t c h e s a n d a p p r o p r i a t e
annunicators which are mounted on the front
panel of the CB-2 enclosure
• 920i expansion card with 1MB of memory
• Three digital I/O boards
• 4 - 24 channel relay boards
• Standard manual override controls
Standard Features - Software
Standard software features of the CB-2 include the
following:
• One aggregate and one cement scale sampling
60 times per second
• Batch/Load recordization report
• Automatic aeration control for cement silos
and weigh hoppers
• Multiple free fall values per material with
automatic “learning” abilities
• Split batching for loads larger than plant
capacity with pre-weighing next batch for
maximum throughput
• Automatic dust collection outputs
• Simulation mode for demonstration and/or
testing purposes
• Precision control of inching gates for
aggregate and cement discharge
• Passcode protection
• US or metric units
• Order centric loading with customer, job site,
directions, and special instructions
7ARNING