KROHNE OPTIWAVE 400 Series Supplementary Instructions Manual page 3

OPTIWAVE X400 / X500
4.3 How to check measurement accuracy before operation in SIL mode .......................... 25
4.3.1 General notes........................................................................................................................ 25
4.3.2 Measurement accuracy check (in process conditions) ........................................................ 25
4.4 Operation modes and proof tests................................................................................... 26
4.5 How to reset the fail-safe flags...................................................................................... 29
4.6 Troubleshooting.............................................................................................................. 29
5 Technical data
5.1 Characteristics for the device safety function ............................................................... 30
5.2 Useful lifetime of electronic components...................................................................... 30
5.3 Assumptions ................................................................................................................... 31
5.4 Measuring accuracy ....................................................................................................... 32
5.5 Support for SIL-approved devices.................................................................................. 32
6 Notes
10/2020 - 4008265401 - AD SIL OPTIWAVE x4-x500 R01a en www.krohne.com
CONTENTS
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