Bronkhorst R Modules for Ex-proof applications User Manual download pdf (Page 5)

BRONKHORST HIGH-TECH B.V.

TABLE OF CONTENTS

1 Introduction ........................................................................................................................... page 7

2 Model configuration

2.1 Modules....................................................................................................................................... page 8

2.2 Intrinsic safe electronic units ....................................................................................................... page 8

2.2.1 Transmitter supply unit for flow sensors ..................................................................................... page 8

2.2.2 Isolating repeater for XB coil ....................................................................................................... page 9

2.3 Module setup............................................................................................................................... page 9

2.3.1 Model "20" ................................................................................................................................... page 9

2.3.2 Model "21" ................................................................................................................................... page 9

2.3.3 Model "22"… ............................................................................................................................... page 10

2.3.1 Model "23" ................................................................................................................................... page 10

2.3.2 Model "24" ................................................................................................................................... page 10

2.3.3 Model "25"… ............................................................................................................................... page 11

3 In/output signals

3.1 Rear panel connectors and controls ........................................................................................... page 12

3.2 Connection to measuring devices ............................................................................................... page 13

3.3 Connection to valves ................................................................................................................... page 14

3.4 Connection to remote equipment ................................................................................................ page 14

4 Cables

4.1 Introduction ................................................................................................................................. page 15

4.2 The transmitter supply unit for flow sensors ............................................................................... page 15

4.3 The control board with XC coil .................................................................................................... page 15

4.4 Control system with XB-coil ........................................................................................................ page 16

4.5 Standard cables for Bronkhorst HI-TEC equipment ................................................................... page 16

4.6 EMC and intrinsic safe circuits .................................................................................................... page 16

5 Operation

9.17.034 page 5

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