Endress+Hauser Liquiline CM444 - Diagnostics and Troubleshooting

Diagnostics and troubleshooting Liquiline CM442/CM444/CM448
136 Endress+Hauser
11.13 Firmware history
Date Version Changes to software Documentation: edition
12/2013 01.05.00 Extension
•Chemoclean Plus
• Calendar function for cleaning
• Conductivity:
– Measuring range switching also for conductive conductivity
measurement
– External temperature signal via current input
•Oxygen:
– External pressure or temperature signals via current input
– Connected conductivity sensor can be used to calculate the
salinity.
• SAC, nitrate, turbidity:
– Calibration settings can be configured via fieldbus
• Channel-specific diagnostics codes for HOLD function.
Improvement
• Web server login for managing multiple users
• Set point and PID parameters for controllers can be configured
via fieldbus
BA00444C/07/EN/17.13
BA00486C/07/EN/02.13
BA01245C/07/EN/01.13
04/2013 01.04.00 Extension
• Conductivity:
– Measuring range switch
– Temperature compensation ISO 7888 at 20 ˚C
• Support for DIO module
– Triggering of an external hold
– Triggering a cleaning
– PID regulator enable/disable
– PFM can be used as analog input
– Limit contactor signals via digital output
• Keylock with password protection
• PID regulator: disturbance variable feedforward is supported
•pH:
– Icon for manual and automatic temperature compensation
(ATC/MTC+MED)
– Monitoring for the upper and lower limits of the glass SCS
value can be switched on or off independently of each other
•ISE
– Simultaneous calibration of two parameters
– User-defined electrode type
– Raw measured value for current output selectable
– Timer for membrane replacement
• Logbooks remain intact after a firmware update
Improvement
• PROFIBUS address range for Siemens S7 moved to the lower
area.
• Offset icon still only present for pH or redox
• Turbidity: Autoranging can be switched off
• Export print (xml): device also provides a stylesheet.
BA00444C/07/EN/16.13
BA00445C/07/EN/16.13
BA00450C/07/EN/16.13
BA00451C/07/EN/15.13
BA00486C/07/EN/01.11
06/2012 01.03.01 Improvement
•Hold via soft key
• Global or channel-specific hold stops automatic cleaning.
Manual cleaning can be started, however.
• Adapted factory settings
BA00444C/07/EN/15.12
BA00445C/07/EN/15.12
BA00450C/07/EN/15.12
BA00451C/07/EN/14.11
BA00486C/07/EN/01.11