Operational Environment; Environments; Industrial Environments; Electrical Connections - Omega LDX-4 User Manual

4.0: Installation (continued)

4.2: Operational Environment

This section discusses the type of installation required depending on the electrical
environment.
4.2.1: Residential, Commercial and Light Industrial Environments
Typically, this will be an office, laboratory or industrial environment where there is no
equipment likely to produce high levels of electrical interference, such as welders or
machine tools.
Connections may be made using twisted, unscreened wire. This is a cost effective
option and will give good performance in this environment.
Standard equipment wire such as 7/0.2 (24AWG) can be twisted together as re-
quired. Standard data cable such as generic CAT5 UTP will also give good perfor-
mance.

4.2.2: Industrial Environments

Typically, this will be an industrial environment where there is equipment likely to
produce high levels of electrical interference, such as welders, machine tools, cut-
ting and stamping machines.
Connections should be made using screened cable. Braided or foil screened cables
may be used. The cable screen should be connected to the LDX-4 case at cable
entry point. The case of the LDX-4 should be connected to a local ground. An EMC
cable gland is recommended. This is supplied with the LDX-4.
When selecting the type of wire or cable to be used, consider the following param-
eters:
- Screening.
- Conductor size (resistance).
- Mechanical aspects such as flexibility and robustness.
This is not a complete list. Installations may require other special cable characteris-
tics.

4.3: Electrical Connections

The LDX-4 requires three connections.
1. Transducer.
2. Power Supply.
3. Output Signal, Voltage or Current.
A small hole should be made in the grommet prior to passing the wires through. If
a screened cable is to be used, an EMC cable gland is recommended (see section
4.7).