CONTENTS
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06/2020 - 4007717401 - AD ATEX MS15-MS40 R01 en
MS15 - MS40 SERIES
1 General safety information
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1.1 Scope of the document..................................................................................................... 4
1.2 Device description ............................................................................................................ 4
1.3 Standards and approvals.................................................................................................. 4
1.4 Device categories ............................................................................................................. 5
1.4.1 Ex ia-approved devices ........................................................................................................... 5
1.4.2 Ex db-approved devices .......................................................................................................... 5
1.5 ATEX nameplate ............................................................................................................... 6
2 Installation
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2.1 Precautions....................................................................................................................... 7
2.1.1 General notes.......................................................................................................................... 7
2.1.2 Special conditions ................................................................................................................... 7
2.1.3 Electrostatic discharge........................................................................................................... 7
2.2 Operating conditions ........................................................................................................ 8
2.2.1 General notes.......................................................................................................................... 8
2.2.2 Ambient and service temperatures ........................................................................................ 8
2.2.3 Process temperature.............................................................................................................. 9
2.2.4 MS15 series limit switch....................................................................................................... 10
2.2.5 MS40 series limit switch....................................................................................................... 13
3 Electrical connections
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3.1 General notes ................................................................................................................. 15
3.2 Terminal compartment for the MS15 series limit switch.............................................. 15
3.2.1 How to open the terminal compartment .............................................................................. 15
3.2.2 How to close the terminal compartment ............................................................................. 16
3.3 Terminal compartment for the MS40 series limit switch.............................................. 17
3.3.1 How to open the terminal compartment .............................................................................. 17
3.3.2 How to close the terminal compartment ............................................................................. 18
3.4 Terminal tightening capacity.......................................................................................... 18
3.5 Equipotential bonding system........................................................................................ 19
3.5.1 MS15 series........................................................................................................................... 19
3.5.2 MS40 series........................................................................................................................... 19
3.6 Ex i version of the limit switches.................................................................................... 20
3.6.1 How to connect the electrical cables ................................................................................... 20
3.6.2 Maximum intrinsically-safe values for the electrical circuit ............................................... 20
3.7 Ex d version of the limit switches (MS15 series only).................................................... 21
3.7.1 How to connect the electrical cables ................................................................................... 21
3.8 Electrical data (functional values).................................................................................. 21
4 Start-up
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5 Service
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5.1 Periodic maintenance..................................................................................................... 23
5.2 Keep the device clean..................................................................................................... 23
