10. INSTALLATION OF THE CONTROL TERMINAL
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LZ T 123 7 605 P1C
10. Installation of the Control Terminal
This chapter gives you advice and helpful hints on how to integrate the
Control Terminal into your application from a hardware perspective.
Please read the information given in “Safety and Product Care”, page 41
and then the read the information in this section before starting your
integration work.
10.1 Where to Install the Control Terminal
There are several conditions which need to be taken into consideration
when designing your application as they might affect the Control Terminal
and its function. They are:
10.1.1 Environmental Conditions
The Control Terminal must be installed so that the environmental
conditions stated in the Technical Data chapter, such as temperature,
humidity and vibration are satisfied. Additionally, the electrical
specifications in the Technical Data section must not be exceeded.
10.1.2 Signal Strength
The Control Terminal has to be placed in a way that ensures sufficient
signal strength. To improve signal strength, the antenna can be moved to
another position. Signal strength may depend on how close the Control
Terminal is to a radio base station. You must ensure that the location at
which you intend to use the Control Terminal, is within the network
coverage area.
Degradation in signal strength can be the result of a disturbance from
another source, for example an electronic device in the immediate vicinity.
More information about possible communication disturbances can be
found in section 10.3.5, page 47.
When an application is completed, you can verify signal strength by
issuing the AT command AT+CSQ. See the GR47/GR48 AT Commands
Manual for more details.
Tip!
Before installing the Control Terminal, use an ordinary mobile telephone
to check a possible location for it. In determining the location for the
Control Terminal and antenna, you should consider signal strength as well
as cable length