15
Connection of conductivity transmitter LRGT 1.-..
To connect the equipment use screened multi-core control cable with a min. conductor size 0.5 mm²,
e. g. LiYCY 4 x 0.5 mm
2
, max. length 100 m.
Wire terminal strip in accordance with the wiring diagram.
Fig. 4
Wire screen in accordance with the wiring diagram.
Make sure that connecting cables leading to the equipment are segregated and run separately from
power cables.
Connection of actual-value output
To connect the equipment use screened multi-core control cable with a min. conductor size 0.5 mm
2
,
e. g. LiYCY 2 x 0.5 mm
2
, max. length: 100 m.
Please observe the max. load of 500 ohm.
Wire terminal strip in accordance with the wiring diagram.
Fig. 3, 4
Connect the screen
only once
to the central earthing point (CEP) in the control cabinet.
Make sure that connecting cables leading to the equipment are segregated and run separately from
power cables.
Any item of equipment that you want to connect to the terminals for the actual-value output 4 - 20 mA
(option) must be certified to have at least double or reinforced isolation according to DIN EN 50178 or
DIN EN 61010-1 or DIN EN 60730-1 or DIN EN 60950 (safe electrical isolation) between the current loop
and live parts of the equipment that are not supplied with safety extra-low voltage (SELV).
Attention
n
Do not use unused terminals as support point terminals.
Tools
n
Screwdriver, size 3.5 x 100 mm, completely insulated according to VDE 0680-1.
In control cabinet: Wiring the conductivity controller
– continued –
Summary of Contents for LRR 1-50
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