Endress+Hauser Liquiline M CM42 - Replacing Modules

Functional Safety Manual
for the Memosens transmitter Liquiline M CM42 SIL
Version: Page:
2.0 34 of 72
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Number
decimal
Number
hexadecimal
as displayed
on screen
Reason
( proposed action)
0 00000000 No error. Maybe just switched to SIL mode.
2 00000002 User has explicitly deactivated the SIL measurement
mode (via safe calibration)
3 00000003 User has explicitly deactivated the SIL measurement
mode (via safe adjustment)
4 00000004 Physical sensor reported internal error.
 change sensor
5 00000005 Sensor value ranges check violation.
 change sensor
6 00000006 Sensor state error bits set.
 change sensor
7 00000007 Sensor and transmitter pH value difference.
 try changing sensor
8 00000008 Sensor sends measurement values too fast or often.
 change sensor
9 00000009 Sensor sends measurement values too slow or
seldom.
 change sensor
10 0000000a Sensor updates measurement values too fast or often.
 try changing sensor
11 0000000b Sensor updates measurement values too slow or
seldom.
 try changing sensor
12 0000000c Sensor sequence counter jump detected.
 try changing sensor
13 0000000d pH alteration rate higher than physically possible.
 try changing sensor
14 0000000e pH alteration rate higher than user specified limit.
 try changing sensor
15 0000000f Timing control error: pH value to old.
 try changing sensor