GESTRA NRR 2-40

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Electrical Connection

Control cable ........................................................................................................................................14

Note .....................................................................................................................................................15

CAN bus voltage supply ........................................................................................................................15

Attention ..............................................................................................................................................15

Wiring diagram ............................................................................................................................... 16, 17

Key ....................................................................................................................................................... 18

CAN bus wiring diagram .......................................................................................................................19

Attention ...............................................................................................................................................19

Note .....................................................................................................................................................20

Tools .....................................................................................................................................................20

Using operating device URB for parameter setting.................................................................................26

NRR 240 .............................................................................................................................................26

Measuring range ...................................................................................................................................26

Setting measuring range ................................................................................................................. 26, 27

Switchpoints and proportional range .....................................................................................................28

Establishing switchpoints and proportional range ..........................................................................29 – 31

Calibrating the feedback potentiometer of an external control valve ...................................................... 31

Attention ...............................................................................................................................................31

Contents – continued –

Commissioning Procedure

Page

NRR 240 .............................................................................................................................................32

Operation

Bus cable..............................................................................................................................................20

Node ID ................................................................................................................................................21

Factory setting ......................................................................................................................................22

Function of the controller ......................................................................................................................22

Establishing / changing node ID ............................................................................................................ 23

Attention ...............................................................................................................................................23

Code switch settings .............................................................................................................................23

Dead band ............................................................................................................................................ 24

Code switch settings .............................................................................................................................24

Establishing / changing the dead band ............................................................................................ 24, 25

Basic Settings

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GESTRA NRR 2-40 - Page 3

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