1 – Introduction
1.1 Overview
Columbus Instruments’ Comprehensive Lab Animal Monitoring System (CLAMS) is capable of simultaneously
recording a diverse range of measurements from as many as 32 subjects. All the data collection components of
CLAMS connect by the way of the “CI-Bus” technology system. The CI-Bus easily integrates all the data from all
devices for collection by the host computer. Configuration options within each system allow around-the-clock,
automated, non-invasive collection of physiological and behavioral parameters such as activity, food and water
consumption, metabolic performance, temperature, etc. Each CLAMS is built to the client’s specifications;
therefore, no two systems are likely to look or function the same.
This manual serves as a guide for the general setup of the different components available for the CLAMS
system. Not all sections of the manual may pertain to the system you are using. Also, components and parts
are subject to change as improvements and modifications are made. Therefore, the photos and images of
components may not exactly match the ones you have. However, their function and setup in the system
should be similar. Some of the images used for the assembly instructions were not performed on actual CLAMS
shelving for clarity.
1.2 Electrical Components
There are many electrical connections used throughout the CLAMS system. The following details most of the
connections and the correct way to make and check them.
1.2.1 AC Power
It is highly recommended to use an AC power strip with power switch and surge protection for connecting and
protecting all the CLAMS components. A single-source AC power strip also provides a beneficial common
ground between all connected components which helps prevent unintentional ground loops that can occur
when using different AC outlet power sources. Likewise, the power switch can serve as a “master” power
switch that will switch on the power to all the CLAMS components.
The CLAMS warranty does not cover damage due to power surges.
It is also recommended to connect the host computer and CLAMS system to one or more uninterruptible
power supplies (UPS). This can prevent the loss of data during brief power outages and brownouts. Make sure
to use a UPS capable of delivering power to the components that are connected to them. For example, a
1000VA UPS is sufficient for most 8-cage CLAMS systems. Another, separate UPS should be used for the host
computer. Each UPS’s batteries should be replaced every three (3) years to ensure uninterrupted service.
1.2.2 DC Coaxial Connection
The DC Coaxial cable with plugs is typically used to connect low-voltage DC power from an AC-sourced power
supply or inter-connect DC power between various components of the CLAMS system. Common low-voltage
power sources are rated at 5, 12 or 24 volts with varying current capacities for their intended devices.
Improper source voltage and/or overloading the power supply may cause intermitted or faulty operation of
the connected devices.
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