Wago 750-333 PROFIBUS DP Coupler

USD 263.89

PROFIBUS DP coupler, 12 MBd, 24 VDC system/field supply, IP20, 244/244-byte process image, DIN-35 rail, CAGE CLAMP

SKU Wago-750-333 Category
Top Brands > WAGO > WAGO Fieldbus Couplers

Wago 750-333 PROFIBUS DP Coupler

Model Identifier 750-333
Official Part Number 750-333
GTIN Standard 4045454526856

Technical Overview

PROFIBUS DP coupler, 12 MBd, 24 VDC system/field supply, IP20, 244/244-byte process image, DIN-35 rail, CAGE CLAMP

Key Features

  • PROFIBUS DP fieldbus coupler, 2nd generation
  • Supports transmission rates from 9.6 kBd to 12 MBd
  • Up to 96 fieldbus nodes on master
  • Up to 63 modules per node
  • Up to 6000 I/O points
  • Input/output process image: 244 bytes / 244 bytes
  • 24 VDC system supply via CAGE CLAMP wiring interface
  • 24 VDC field supply via power jumper contacts
  • IP20 protection
  • DIN-35 rail mounting
  • PROFIBUS connection via 1 x D-sub 9 socket
  • System supply via 2 x CAGE CLAMP
  • Field supply via 6 x CAGE CLAMP
  • Housing material: polycarbonate; polyamide 6.6
  • Weight: 183.1 g

Maps WAGO I/O modules to PROFIBUS DP with automatic node structure detection and ID-/channel-based diagnostics.

Technical Specification Matrix

ParameterValue
CommunicationsPROFIBUS
Number of fieldbus nodes on master (max.)96
Number of I/O points6000
Transmission rate9.6 kBd … 12 MBd
Bus segment length (max.)1200 m
Transmission medium (communication/fieldbus)Cu cable per EN 50170
Transmission timetyp. 1 ms (10 couplers; each 32 digital I/O and 12 Mbaud) max. 3.3 ms
Number of modules per node (max.)63
Number of modules without a bus extension (max.)63
Input and output process image (fieldbus)max. 244 bytes/244 bytes
Supply voltage (system)24 VDC, SELV/PELV (-25 … +30 %); via wiring interface (CAGE CLAMP® connection); External fuse required: 2 A slow-blow
Current consumption (system supply)200 mA
Total current (system supply)1800 mA
Supply voltage (field)24 VDC, SELV/PELV (-25 … +30 %); via power jumper contacts (supply via CAGE CLAMP® connection; distribution via spring contact); External fuse required: 10 A slow-blow
Input current (typ.) at nominal load (24 V)500 mA
Power supply efficiency (typ.) at nominal load (24 V)87 %
Number of outgoing power jumper contacts3
Current carrying capacity (power jumper contacts)10 A
StandardEN 50170
Protection typeIP20
Pollution degree2 per IEC 61131-2
Isolation500 VDC system/field
Connection technology: communication/fieldbusPROFIBUS: 1 x D-sub 9 socket
Connection technology: field supply6 x CAGE CLAMP®
Connection technology: system supply2 x CAGE CLAMP®
Connectable conductor materialsCopper
Connection typeSystem/field supply
Solid conductor0.08 … 2.5 mm² / 28 … 14 AWG
Fine-stranded conductor0.08 … 2.5 mm² / 28 … 14 AWG
Strip length8 … 9 mm / 0.31 … 0.35 inches
Connection technology: device configuration1 x Male connector; 4-pole
Width50.5 mm / 1.988 inches
Height100 mm / 3.937 inches
Depth71.1 mm / 2.799 inches
Depth from upper-edge of DIN-rail63.9 mm / 2.516 inches
Mounting typeDIN-35 rail
Colorlight gray
Housing materialPolycarbonate; polyamide 6.6
Fire load2.802 MJ
Weight183.1 g
Conformity markingCE
Ambient temperature (operation)0 … +55 °C
Ambient temperature (storage)-25 … +85 °C
Operating altitude0 … 2000 m / 0 … 6562 ft
Mounting positionHorizontal left, horizontal right, horizontal top, horizontal bottom, vertical top and vertical bottom
Relative humidity (without condensation)95 %
Vibration resistance4g per IEC 60068-2-6
Shock resistance15g per IEC 60068-2-27
EMC immunity to interferenceper EN 61000-6-2, marine applications
EMC emission of interferenceper EN 61000-6-4, marine applications
Exposure to pollutantsper 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
Product Group15 (I/O System)
PU (SPU)1 pcs
Packaging typeBox
Country of originDE
GTIN4045454526856
Customs tariff number85176200000
UNSPSC32151705
eCl@ss 10.027-24-26-07
eCl@ss 9.027-24-26-07
ETIM 9.0EC001603
ETIM 10.0EC001603
ECCNNO US CLASSIFICATION
Physical Weight (kg)0.18
Dimensions L x W x H (cm)7.11 x 5.05 x 10

Industrial Applications

1. PROFIBUS Remote I/O Node Integration

Connects distributed WAGO I/O modules to a PROFIBUS DP master with automatic process-image mapping and up to 244 bytes in/out.

Problem Solved

Eliminates custom gateway logic when adding modular remote I/O to an existing PROFIBUS control architecture.

PROFIBUS DPremote I/Oprocess image244 bytesWAGO I/O System

2. Machine Retrofit for Legacy PLC Networks

Provides a compact DIN-rail interface for retrofitting field I/O into older PROFIBUS-based PLC systems without redesigning the control program.

Problem Solved

Preserves legacy PLC communication while modernizing I/O wiring and diagnostics.

legacy PLCretrofitDIN-35 railID diagnosticschannel diagnostics

3. Marine or Harsh-Environment Control Panels

Supports installation in control cabinets exposed to vibration, shock, humidity, and marine EMC requirements while maintaining galvanic isolation between system and field supply.

Problem Solved

Improves reliability of distributed I/O in harsh electrical and mechanical environments.

marine EMC4g vibration15g shock95% humidity500 VDC isolation
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