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WAGO at Work
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WAGO I/O System 750/753

Decentralized peripherals for every application: Boasting more than 500 I/O modules, programmable controllers and fieldbus couplers, WAGO’s remote I/O system offers all the functions required for your automation needs – and for every fieldbus.

The Benefits for You:
  • Fieldbus-independent – compatible with all standard fieldbus protocols and ETHERNET standards
  • A wide variety of I/O modules for virtually any application
  • Also suitable for use in tight spaces thanks to compact dimensions
  • National and international approvals for worldwide use
  • Extensive range of accessories for marking and connection technology
  • Fast, vibration-proof, maintenance-free CAGE CLAMP® connections

The Modular, Compact System for Control Cabinets

The WAGO I/O System 750/753 enables you not only to reduce wiring expenses, but also to prevent unplanned downtimes and associated service costs thanks to its high level of reliability. The system also offers additional impressive features: Besides the possibility of custom configurations, I/O modules are available with up to 16 channels to maximize the use of valuable control cabinet space. Additionally, WAGO’S 753 Series Pluggable Connectors expedite on-site installation.

Maximum Reliability and Ruggedness

The WAGO I/O System 750/753 is engineered and tested for use in the most demanding environments, such as required in shipbuilding. Besides greatly increased vibration resistance, significantly greater immunity to interference and a wide voltage fluctuation range, CAGE CLAMP® spring pressure connections also ensure continuous operation.

Maximum Fieldbus Independence

Fieldbus couplers connect the WAGO I/O System 750/753 to a higher-level control system and support all standard fieldbus protocols and ETHERNET standards. The parts of the I/O system are perfectly attuned to each other for integration into the scalable control solutions of the 750 Series Controllers, PFC100 Controllers and PFC200 Controllers. The e!COCKPIT (CODESYS 3) and WAGO I/O-PRO (based on CODESYS 2) engineering environments are available for configuration, programming, diagnostics and visualization.

Maximum Flexibility

More than 500 different I/O modules with 1, 2, 4, 8 and 16 channels for digital and analog input/output signals are available to meet the wide range of requirements found in different industries, including function blocks and technology modules, modules for Ex i applications, RS-232 interfaces for functional safety and much more. Communication modules also make it possible to integrate subsystems and interfaces such as KNX, DALI and AS Interface.

New Products

Easy Integration of EnOcean® Sensors and Actuators

New RS-485 Gateway from WAGO

The EnOcean® wireless sensor protocol has established itself as the standard in the building industry, above all because it allows use of battery-free sensors and control elements – for example in room automation, lighting systems and many other applications. The energy for wireless transmission is usually generated via energy harvesting. WAGO is now launching an EnOcean® gateway that can be connected very easily to the WAGO I/O System 750 via a serial interface, with either a serial module of the WAGO I/O System or a controller with an integrated serial interface. The use of standard protocols like Modbus® and ESP-3 simplifies bidirectional communication between the I/O System and the EnOcean® modules. Serial transfer also allows long cable lengths, so the gateway can be installed far from the I/O System. This is especially important when the engineering room where the controller and I/O System are located is farther away. The intelligent design also permits mounting in a visible location, such as on a wall or ceiling.

The Benefits for You:

  • Easy EnOcean® connection to the WAGO I/O System 750
  • Attractive design for visible wall or ceiling mounting
  • Installation possible at a significant distance from the WAGO I/O System

Item Number: 750-940

Connect Eight Thermocouples in 12 mm

New Analog Input Module for Thermocouple Measurement

The new 750-498 Analog Input Module is ideal for recording signals from multiple thermocouples in the field. Packaged in a width of just 12 mm, it offers eight channels that can be individually configured for thermocouples of types K, J, B, E, N, R, S, T and C. The thermocouples are connected via 2-wire technology. The I/O module performs cold junction compensation and then directly outputs the measured temperature value. The temperature resolution is 0.1 °C. The module can also be used for voltage measurements in the ±30 mV, ±60 mV, ±120 mV and ±240 mV ranges. The field level and system level are electrically isolated from one another.

 

The Benefits for You:

  • Slim design
  • Internal cold junction compensation
  • Low measurement error ≤ 1 K (depending on type and temperature range)
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More Freedom in Ex Applications
(750-439/040-000 and 750-489)

Intrinsically Safe Modules with Improved Features and New Functions

WAGO has streamlined and expanded its range of Ex i modules. The new 8-Channel Digital Input Module (750-439/040-000) for intrinsically safe digital applications (8DI NAMUR Ex i) can now also connect break contacts and their signals in addition to NAMUR make contacts. Furthermore, the new module can record them in accordance with the IEC 60947-5-6 standard. Because they can be used to detect typical sensor failures such as wire breaks, break contacts’ role in process technology is becoming more and more important. NAMUR make or break contacts are defined channel by channel via the process image for 8DI NAMUR Ex i.


The new 4-Channel Analog Input Module (4AI RTD/TC/Strain Gauge Ex i; 750-489) complements the analog portion of WAGO’s portfolio. It combines the functionality of proven modules with enhanced characteristics. The module offers double the number of channels, which are now electrically isolated. It also provides higher resolution, faster conversion time, fewer measurement errors and the combination of RTD and TC functions in one module. One of the new module’s advantages is that signals from resistor bridges – such as strain gauges – from zone 0 and 1 hazardous areas can now be measured directly.


The Benefits for You:

  • More applications and reliable wire break diagnostics with 8DI NAMUR Ex i
  • 4AI RTD/TC/Strain Gauge Ex i processes signals safely, quickly and without errors, acquires measured values precisely and requires only a small amount of space.

Wear-Free Switching up to 2.0 A at 30 V

New Digital Output Modules with Semiconductor Switches for AC and DC Loads

For short switching cycles, wear-free semiconductor switches based on MOSFET are typically the best choice. This is why WAGO now offers two modules that can switch currents of up to 2.0 A at voltages of 30 V – with the same device for both AC and DC loads. The 4DO 30 VAC/DC 2.0 A SSR digital output module (750-527) and the 4DO 30 VAC/DC 2.0 A SSR/isolated potential-free version (750-528) for the WAGO I/O System 750 have four channels in a width of just 12 mm. When only low voltages, but high currents, need to be switched, these semiconductor switches are superior to mechanical relays because they offer economical operation free of wear-and-tear.

The Benefits for You:

  • One module switches AC and DC loads
  • Wear-free semiconductor switch
  • Four channels in a 12 mm wide module

Item Numbers:
750-527
750-528

Direct Evaluation of Resistor Bridges

New Analog Input Module with Two Channels for Strain Gauges and Load Cells

Resistor bridge circuits have a variety of uses, including as strain gauges, force sensors and load cells. The new 2AI Resistor Bridge (Strain Gauge) Analog Input Module directly connects such resistor bridges to the WAGO I/O System 750. The module has two channels and provides the reference voltage directly, reducing wiring work and associated costs. Packaged in a width of just 12 mm, the module also saves control cabinet space. The evaluation of the resistor bridges is highly accurate thanks to a resolution of 16 bits. Finally, the wide input voltage range of ±300 mV allows the connection of different sensor types.

The Benefits for You:

  • Connect resistor bridges, load cells and strain gauges
  • Two channels in one 12 mm wide module
  • Internal reference voltage reduces wiring costs

Item Number: 750-1491

Secure Analog Value Acquisition

New 4-Channel Analog Input Module with PROFIsafe Functions

 

The Benefits for You:

  • The 4-Channel Analog Input Module with PROFIsafe functions expands the range of safety modules within the WAGO 750 I/O System.
  • Support for both the “Remote IO for Factory Automation” and “Remote IO for Process Automation” profiles

 

An Analog Jack-of-All-Trades

Configuration Freedom and High Resolution: The New 4-Channel Analog Output Module

The Benefits for You:

  • Maximum configuration freedom
  • 4-channel output module with high 16-bit resolution
  • Reverse-power-proof to previous incorrect wiring

All Products

Discover all the products of the WAGO I/O System 750.

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Your WAGO Contact

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Additional service offerings:

WAGO at Work

More about Automation Technology


Playing It Safe with the Power Supply

For supplying power to manufacturing systems, safety plays a large role. Therefore, Schaeffler, an industrial and automotive industry supplier, uses fieldbus couplers from WAGO in its roller bearing production at its Schweinfurt, Germany facility.

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SBB Train Stations at a Glance

The control and error messaging system for the SBB (LSS-CH) replaces 23 different control systems with WAGO’s automation technology.

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Innovative Propulsion Control

In designing its ship propulsion solutions, SAM Electronics relies on the flexibility and reliability of WAGO’s I/O System.

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