Solartron Mobrey MRL800, Инструкция по установке и обслуживанию

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Page 22
IP2028/IM
To open the terminal, simply insert a standard electricians screwdriver tip into the
lower rectangular hole in the terminal block such that the tension clamp is
opened.
Having prepared the connecting cable by stripping the conductor insulation back
by 5mm, insert the bare conductor into the tension clamp and withdraw the
screwdriver from the terminal block. Ensure the tension clamp has firmly gripped
the bare conductor. (See Fig. iv)
Fig. iv
Note :
The Radar level transmitter is protected against reverse polarity connection.
3.2.1. Earthing
The external protective earth terminal marked must be connected to the
same earth as the vessel and surrounding metalwork. this is a system safety
ground.
The screen of the 2 core loop supply cable must be connected to ground at one
end only.
For Intrinsically Safe installations, connect the screen at the Safety Barrier.
For all other installations, connect the screen to a convenient earth in the
junction box or control room.
Insert bared
conductor here
Insert electrician’s
screwdriver here to
open tension clamp