CM442 overview
CM442 is a component documented by Endress+Hauser Group Se. The PDF description identifies it as "Liquiline CM442/CM444/CM448 2022-08-10." This guide condenses the most useful engineering information from the available PDF so that designers and sourcing teams can identify the checks that still need confirmation in the original document.
Datasheet snapshot
- Manufacturer: Endress+Hauser Group Se...
- Part number: CM442
- Category: IC
- Datasheet length: 60 Pages
Specifications and operating details
The following points were extracted from the PDF text. Check the associated conditions, notes and limits in the complete document before using a value in a design.
- via the proximity switch of the CCA250 the use of the input as an "analog input" for pulse-frequency modulation (PFM) via a digital output signal the static transmission (similar to a relay) of diagnostic states, point level switch states.
- 2.5 mm2 (14 AWG) Current input, passive Span > 0 to 20 mA Signal characteristic Linear Internal resistance Non-linear Liquiline CM442/CM444/CM448 Endress+Hauser 25 Test voltage 500 V Output Output signal Depending on version: 2 x 0/4 to 20.
- 1.5 mm), bridged internally (T‐function), optional M12 Bus termination Internal slide switch with LED display Ethernet and Modbus TCP Signal encoding IEEE 802.3 (Ethernet) Data transmission rate 10/100 MBd Galvanic isolation Yes Connection.
- Siemens PRONETA) Signal on alarm Adjustable, as per NAMUR Recommendation NE 43 In measuring range 0 to 20 mA (HART is not available with this measuring range): Failure current from 0 to 23 mA In measuring range 4 to 20 mA: Failure current.
- 2.5 mm2 (14 AWG) Liquiline CM442/CM444/CM448 Endress+Hauser 27 Current outputs, active Span 0 to 23 mA 2.4 to 23 mA for HART communication Signal characteristic Linear Electrical specification Output voltage Max.
- 2.5 mm2 (14 AWG) Relay outputs Electrical specification Relay types 1 single-pin changeover contact (alarm relay) 2 or 4 single-pin changeover contacts (optional with extension modules) Maximum load Alarm relay: 0.5 A All other relays: 2.0.
- Power consumption CM442 Depending on supply voltage 100 to 230 V AC and 24 V AC: Max.
Topics covered by the datasheet
The document includes sections related to:
- Ordering information
Engineering review checklist
- Confirm the exact ordering code, package, pinout or terminal arrangement and document revision.
- Compare recommended operating conditions with absolute maximum ratings and retain adequate design margin.
- Validate electrical, thermal, mechanical and environmental behavior in the final application.
Always confirm values against the latest manufacturer-controlled datasheet, especially when qualifying a substitute or releasing a production BOM.
View the complete PDF and model record
Open the CM442 datasheet and model details to review the complete PDF, document pages and available product information.
Source attribution
Adapted from the PDF associated with this DigiCamel model page.
Source model URL: https://www.digicamel.com/product.php?slug=cm442-endress-hauser-group-se