Endress+Hauser Liquisys M CPM223 Brief Operating Instructions
Transmitter for ph and orp measurement with digital memosens sensors
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Summary of Contents for Endress+Hauser Liquisys M CPM223
- Page 1 Products Solutions Services KA01761C/07/EN/01.25-00 71712555 2025-04-25 Brief Operating Instructions Liquisys M CPM223 Transmitter for pH and ORP Measurement with digital Memosens sensors...
- Page 2 Table of contents Liquisys M CPM223 Table of contents About this document ............. . 3 Safety information .
- Page 3 Liquisys M CPM223 About this document About this document Safety information Structure of information Meaning This symbol alerts you to a dangerous situation. DANGER Failure to avoid the dangerous situation will result in a fatal or serious injury. Causes (/consequences)
- Page 4 Basic safety instructions Liquisys M CPM223 Basic safety instructions Requirements for the personnel • Installation, commissioning, operation and maintenance of the measuring system may be carried out only by specially trained technical personnel. • The technical personnel must be authorized by the plant operator to carry out the specified activities.
- Page 5 Liquisys M CPM223 Incoming acceptance and product identification Operational safety Before commissioning the entire measuring point: Verify that all connections are correct. Ensure that electrical cables and hose connections are undamaged. Procedure for damaged products: Do not operate damaged products, and protect them against unintentional operation.
- Page 6 Incoming acceptance and product identification Liquisys M CPM223 Check the technical documentation and all other necessary documents, e.g. certificates, to ensure they are complete. If one of the conditions is not satisfied, contact the manufacturer. Scope of delivery • 1 transmitter CPM223 •...
- Page 7 Liquisys M CPM223 Incoming acceptance and product identification 3.3.3 Nameplate The nameplate provides you with the following information on your device: • Manufacturer identification • Order code • Extended order code • Serial number • Ambient and process conditions • Input and output values •...
- Page 8 Installation Liquisys M CPM223 Installation Installation requirements 6 (0.24) 92 (3.62) 90 (3.54) A0024641 1 Panel-mounted device, dimensions in mm (in) Installing the device The panel-mounted device is secured with the tensioning screws supplied → 2 The necessary installation depth is approx. 165 mm (6.50").
- Page 9 Liquisys M CPM223 Installation +0.5 +0.02 (3.62 max. 45 (1.77) ~ 25 (0.98) 139 (5.47) 6 (0.24) ~ 165 (6.50)* A0024639 2 Dimensions in mm (inch) Mounting plate Seal Tensioning screws Necessary installation depth Post-mounting check • After installation, check the transmitter for damage.
- Page 10 Electrical connection Liquisys M CPM223 Electrical connection WARNING Device is live! Incorrect connection may result in injury or death! ‣ The electrical connection may be performed only by an electrical technician. ‣ The electrical technician must have read and understood these Operating Instructions and must follow the instructions contained therein.
- Page 11 Liquisys M CPM223 Electrical connection 10-50 V 23 + 24 - 10-50 V 15 V A0059023 3 Electrical connection of the transmitter with Memosens technology Shield Alarm (current-free contact position) Sensor Relay 1 (current-free contact position) Signal output 1 pH/ORP...
- Page 12 Electrical connection Liquisys M CPM223 Connecting the device ‣ 136771-0001-4A Sensor 31 + 32 - 33 + Temp. (opt.) 34 - 88 - 87 + 85 + +15V 10mA 86 - 93 + Digital 2 94 - 81 + Digital 1...
- Page 13 Liquisys M CPM223 Electrical connection Com B Com A A0026030 5 Structure of the CYK10 measuring cable Coupling (to connect to the sensor) with integrated electronics For further information on the cable, see the "Accessories" section. Connect the Memosens coupling A0059134 ...
- Page 14 Electrical connection Liquisys M CPM223 87 88 BN WH GN YE CYK10 CPS11D A0026032 7 Connection example CPS11D with CYK10 Signal transmission between the Memosens electrode and the coupling of the CYK10 cable is non-contact and takes place via completely potted coils. This offers the following advantages: •...
- Page 15 Liquisys M CPM223 Operation options Normal operating status Alarm condition Device in operation and no error message present Error message present (alarm LED red) or device defective (alarm LED off): or de-energized (alarm LED off): • Relay energized • Relay de-energized •...
- Page 16 Operation options Liquisys M CPM223 The following section only explains operation via the keys. Display and operating elements 6.2.1 Structure and function of the operating menu LED indicators Indicates the current operating mode, "Auto" (green LED) or "Manual" (yellow LED) A0027220 Indicates the activated relay in the "Manual"...
- Page 17 Liquisys M CPM223 Operation options Indicator for "Hold" mode (current outputs remain at last current state) Indicator for receipt of a message on devices with communication Indicator of working status of relays 3/4: inactive, active Function code indicator In measuring mode: measured variable - in setup mode: configured variable In measuring mode: secondary measured value - in setup/calibr.
- Page 18 Operation options Liquisys M CPM223 Functions of keys CAL key When you press the CAL key, the device first prompts you for the calibration access code: A0027235 • Code 22 for calibration • Code 0 or any other code for reading the last calibration data Use the CAL key to accept the calibration data or to switch from field to field within the calibration menu.
- Page 19 Liquisys M CPM223 Operation options PLUS key and MINUS key In the Setup mode, the PLUS and MINUS keys have the following functions: • Selection of function groups. Press the MINUS key to select the function groups in the order given in the "System configuration"...
- Page 20 Operation options Liquisys M CPM223 Access to operating menu via local display 6.3.1 Automatic/manual mode The transmitter normally operates in automatic mode. Here, the relays are triggered by the transmitter. In the manual mode, you can trigger the relays manually using the REL key or start the cleaning function.
- Page 21 Liquisys M CPM223 Operation options Switch relays. The relay is switched on with PLUS and switched off with MINUS. The relay remains in this switched state until it is switched again. A0027240 Press the AUTOMATIC key to return to the measuring mode, i.e.
- Page 22 Operation options Liquisys M CPM223 • CAL key + code 22: access to Calibration and Offset menu • ENTER key + code 22: access to the menus for the parameters which make configuration and user-specific settings possible • PLUS + ENTER keys simultaneously (min. 3 s): lock the keyboard •...
- Page 23 Liquisys M CPM223 Commissioning Commissioning Specificities of commissioning digital electrodes pH sensors with Memosens technology save the calibration data. For this reason, commissioning these sensors is different to commissioning standard electrodes. Proceed as follows: Install the transmitter and the assembly.
- Page 24 Commissioning Liquisys M CPM223 Function check WARNING Incorrect connection, incorrect supply voltage Safety risks for staff and device malfunctions! ‣ Check that all connections have been established correctly in accordance with the wiring diagram. ‣ Ensure that the supply voltage matches the voltage indicated on the nameplate.
- Page 25 Liquisys M CPM223 Commissioning Function display: The displayed code indicates the function position in the function group. Err.delay Additional information A0025560-EN 12 Information for the user on the display To make it easier to select and find function groups...
- Page 26 Commissioning Liquisys M CPM223 User entry Range of Display adjustment (factory settings in bold) In S1, select the language, e.g. "ENG" for English. ENG = English Confirm the entry by pressing the ENTER key. GER = German FRA = French...
- Page 27 Liquisys M CPM223 Commissioning User entry Range of Display adjustment (factory settings in bold) In A5, select the temperature sensor that the Pt 100 electrode being used has, e.g. "Pt 100" for a glass Pt 1K electrode. NTC 30K Pt100 Confirm the entry by pressing the ENTER key.
- Page 28 *71712555* 71712555 www.addresses.endress.com...
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