GESTRA NRR 2-52, Оригинальная инструкция по установке

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In control cabinet: Wiring the level controller / the operating & display unit In the plant:
Wiring level electrode / level transmitter
Connecting level electrode, level transmitter
The level controller NRR 2-52 / NRS 2-53 is designed to be used with level electrodes
NRG 21-.. or NRG 26-21 as well as the level transmitter NRGT 26-1.
To connect the equipment use screened multi-core control cable with a min. conductor size 0.5 mm
2 ,
e. g. LiYCY 4 x 0.5 mm 2 , max. length: 100 m.
Wire screen in accordance with the wiring diagram.
Attention
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To put the equipment into operation follow the instructions given in the installation &
operating manuals for NRG 21-.. , NRG 26-21 or NRGT 26-1.
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Make sure that connecting cables leading to the equipment are segregated and run
separately from power cables.
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The level transmitter must be separately connected to its own voltage supply.
Level controller: Factory settings
Level controller NRR 2-52, NRR 2-53
The level controller features the following factory set default values:
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De-energizing delay 3 sec., factory set
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Voltage input for connecting a level electrode type NRG 21-.. or type NRG 26-21.
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Measuring range = 100%
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MAX switchpoint = 80 % (NRR 2-53: 80 %, 60 %)
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MIN switchpoint = 20 % (NRR 2-53: 40 %, 20 %)
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Setpoint = 50 %
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Proportional band Pb = +/– 20 % of setpoint
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Integral action time Ti = 0 sec.
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Neutral band = +/– 5% of setpoint
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Valve travel time tt = 40 s
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Function: fill control
Level controller NRR 2-52, NRR 2-53: Code switch
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: All switches are set to OFF