CM44P datasheet(21/60 Pages) EH

Part #	CM44P

Description	Universal four-wire multichannel controller for process photometers and Memosens sensors

PDF	60 Pages

Scroll/Zoom	100%

Manufacturer	EH [Endress+Hauser Group Services AG]

Direct Link	https://www.endress.com/

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21 / 60 page

Liquiline CM44P

Endress+Hauser

Digital outputs, passive

Electrical specification

• Passive

• Open collector, max. 30 V, 15 mA

• Maximum voltage drop 3 V

External power supply

When using an onsite auxiliary voltage supply and an onsite digital input:

Recommended minimum auxiliary voltage = 3 V + VIHmin

(VIHmin = minimum input voltage required (high-level input voltage)

PFM function

Minimum pulse width: 500 µs (1 kHz)

Auxiliary voltage

Electrical specification

• Galvanically isolated

• Unregulated, 24 V DC

• Max. 50 mA (per DIO module)

Test voltage

500 V

Cable specification

Max. 2.5 mm2 (14 AWG)

Current outputs, active

Span

0 to 23 mA

2.4 to 23 mA for HART communication

Signal characteristic

Linear

Electrical specification

Output voltage

Max. 24 V

Test voltage

500 V

Cable specification

Cable type

Recommended: shielded cable

Cable specification

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 A

CM44P Datasheet(PDF) 21 Page - Endress+Hauser Group Services AG

CM44P Datasheet(HTML) 21 Page - Endress+Hauser Group Services AG

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