Endress+Hauser Liquiline M CM42 - Calibration and Adjustment; Definitions and Terminology

Functional Safety Manual
for the Memosens transmitter Liquiline M CM42 SIL
Version: Page:
2.0 5 of 72
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4.6 Switch to SIL measurement mode 35
4.7 Using the safe sensor calibration and adjustment 38
4.7.1 2 point pH calibration 38
4.7.2 1 point temperature calibration 45
5 Maintenance, recalibration 49
6 Proof test 49
6.1 Proof test 49
6.2 Testing to ensure its safe functioning 49
6.2.1 Proof test of the Liquiline M CM42 transmitter 49
6.2.2 Proof test of the Memosens cable CYK10 51
6.2.3 Proof test of the Orbisint CPS11D pH sensor 54
7 Repair 61
8 Notes on the redundant use of the device for SIL 3 63
9 Proof test protocol example 63
10 Overview of modes and current output 64
11 PFDavg computation examples 64
11.1 Example to calculate PFD
avg
after a proof test 64
11.2 PFD
avg
computation example for a pH measuring point 66