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0698-701 Relay module - 04/2021

Table of Contents

A. General ............................................................................................................................................ 4

1. Concerning this manual ............................................................................................................. 4

1.1 Terms .................................................................................................................................. 4

1.2 Target groups ...................................................................................................................... 4

1.3 Associated applicable documents ....................................................................................... 4

1.4 Warnings and symbols ....................................................................................................... 5

1.5 Latest state .......................................................................................................................... 5

1.6 Copyright ............................................................................................................................ 5

2. Safety .......................................................................................................................................... 6

2.1 General safety information ................................................................................................. 6

3. Scope of supply .......................................................................................................................... 7

4. Marking .................................................................................................................................. 7

5. Modular Flow Meter System TS .................................................................................................. 8

6. Modular Flow Meter System HDO .............................................................................................. 9

B. Relay module RM10/RM30 and power supply unit NG10............................................................... 10

1. Proper use ................................................................................................................................ 10

1.1 Technical data ................................................................................................................... 12

1.2 Application in explosion hazard areas .............................................................................. 12

1.2.1 Electrical data ........................................................................................................... 13

1.2.2 Applied standards .................................................................................................... 13

1.3 Prevention of obvious misapplication (examples) ............................................................ 13

2. Installation ............................................................................................................................... 14

2.1 Retrofitting the relay module/power supply unit

............................................................. 14

2.2 Connection for automatic mode ....................................................................................... 15

2.3 Flow meter with separate installation

of relay module/power supply unit and operating unit ................................................... 18

2.4 Flow meter with relay module/power supply unit

and separate installation of operating unit ...................................................................... 20

3. Maintenance and servicing ...................................................................................................... 22

3.1 Changing the fuse in the relay module/power supply unit ............................................. 22

C. Repairs .......................................................................................................................................... 24

D. Traceability ...................................................................................................................................... 24

E. Waste disposal ................................................................................................................................ 24

F. Annex .......................................................................................................................................... 25

1. Terminal assignment of cables and connectors ....................................................................... 25

2. Trouble shooting ...................................................................................................................... 26

2.1 Fault report ....................................................................................................................... 26

2.2 Other faults ....................................................................................................................... 28

Spare parts list ........................................................................................................................... 32-34

Declaration of Conformity .................................................................................................................... 35