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Artikelnummer 753-649

M-Bus Master; -

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The 753-649 M-Bus Module acts as an M-Bus master, allowing M-Bus slaves to be directly connected to the WAGO I/O System 750. The Meter-Bus (M-Bus) is a fieldbus system that transmits energy consumption data measured by M-Bus slaves (e.g., heat, water, electricity and gas meters), as well as all sensor and actuator types.

The M-Bus master communicates with the M-Bus slaves and forms the interface between the M-Bus and the processing software. On demand, the M-Bus master reads energy consumption data via the M-Bus 2-wire line, transmitting this data to the higher-level control system for further processing or visualization. Alternatively, PLC queries can be implemented via the PLC using IEC 61131-3 function blocks or via a PC application.

The M-Bus slaves are powered via the M-Bus master. The use of a separate level converter is not required. The M-Bus technology is defined in the technical standard EN 13757, which defines the communication systems for meters and their remote reading.

Both signal transmission and operating status, as well as trouble-free local bus communication, are indicated via single- and multi-color LEDs.

The M-Bus connection modules are short-circuit-protected.

Der Stecker der Serie 753 ist im Lieferumfang enthalten


Technical Data
Device-specific Line length (overall network): up to 1000 m at 9600 baud; up to 2000 m at2400 baud; up to 6000 m at 300 baud; Master/slave distance: up to 500 m at 9600 baud; up to 1000 m at 2400 or 300 baud; M-Bus loads (max.): 40 (1.5 mA each); Overcurrent shutdown: Active current monitoring; Threshold value: approx. 120 mA; Minimum shutdown time: 500 ms
Topology Star, tree and line topology
Output voltage 23.4 … 25.2 VDC; for supplying the M-Bus slaves
Baud rate 300 Baud … 9.6 kBd (2400 baud (default))
Transmission channels 1, bidirectional
Data width 24 bytes (mailbox 2.0 with 22-byte length)
Commissioning WAGO-I/O-PRO V2.3, e!COCKPIT
Supply voltage (system) DC 5 V; via data contacts
Power consumption (5 V system supply) 40 mA
Supply voltage (field) DC 24 V (-2.5 … +5 %); via power jumper contacts (power supply via blade contact; transmission via spring contact)
Power consumption, field supply (module with no external load) 130 mA
Isolation 500 V system/field
Number of incoming power jumper contacts 2
Number of outgoing power jumper contacts 2
Current carrying capacity (power jumper contacts) 10 A
Connection data
Connection technology: inputs/outputs 8 x CAGE CLAMP®
Connection type (1) Inputs/Outputs
Solid conductor 0.08 … 2.5 mm² / 28 … 14 AWG
Fine-stranded conductor 0.08 … 2.5 mm² / 28 … 14 AWG
Strip length 8 … 9 mm / 0.31 … 0.35 inch
Connection requirement (permissible cable type) 2-line, shielded or unshielded
Geometrical Data
Width 12 mm / 0.472 inch
Height 100 mm / 3.937 inch
Depth 69.8 mm / 2.748 inch
Depth from upper edge of DIN-rail 62.6 mm / 2.465 inch
Mechanical data
Mounting type DIN-35 rail
Pluggable connector yes
Material Data
Housing material Polycarbonate, polyamide 6.6
Fire load 0,957 MJ
Weight 71,9 g
Conformity marking CE
Environmental Requirements
Surrounding air temperature (operation) 0 … 55 °C
Surrounding air temperature (storage) -40 … 85 °C
Protection type IP20
Pollution degree (5) 2 per IEC 61131-2
Operating altitude 0 … 2000 m
Mounting position horizontal (standing/lying); vertical
Relative humidity (without condensation) 95 %
Vibration resistance per IEC 60068-2-6
Shock resistance 15g per IEC 60068-2-27
Exposure to pollutants Per IEC 60068-2-42 and IEC 60068-2-43
Permissible H2S contaminant concentration at a relative humidity 75 % 10 ppm
Permissible SO2 contaminant concentration at a relative humidity 75 % 25 ppm
Commercial data
Packaging type BOX
Country of origin DE
GTIN 4055143622127
Customs tariff number 85389099990
Vergunningen / certificaten
Vergunning: UL
Underwriters Laboratories Inc. (HAZARDOUS LOCATIONS)
Norm UL 121201
Certificaatsnaam: E198726 Sec.1
Country specific Approvals
Vergunning: KC
National Radio Research Agency
Norm Article 58-2, Clause 3
Certificaatsnaam: MSIP-REM-W43-MSM750
Vergunning: UL
Underwriters Laboratories Inc. (ORDINARY LOCATIONS)
Norm UL 61010-2-201
Certificaatsnaam: E175199 Sec10
CAD data
2D/3D Models 753-649
CAE data
EPLAN Data Portal 753-649
ZUKEN Portal 753-649
Relevante producten
750/753 Series ‒ I/O System