Endress+Hauser Liquiline M CM42 - Sensor Calibration Parameters

Functional Safety Manual
for the Memosens transmitter Liquiline M CM42 SIL
Version: Page:
2.0 6 of 72
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Note!
General information about functional safety (SIL) is available at www.endress.com/SIL
and in the competence brochure CP002Z "Functional safety in the Process Industry -
risk reduction with Safety Instrumented Systems".
Note!
For general and technical information please read the Technical Information or
Operating Instructions of Liquiline M CM42.
1 Structure of measuring system using a CM42 SIL
transmitter
1.1 System Components
A system using CM42 looks for example like the following:
This part is covered by this document.
1. Memosens pH glass sensor, e.g. Orbisint CPS11D SIL
2. Memosens cable CYK10 SIL
3. Memosens transmitter Liquiline M CM42 SIL
The transmitter produces an analogue signal (4..20 mA) proportional to the measured
voltage at the sensor electrode. This signal must be processed by a logic component (e.g.