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Pepperl + Fuchs
VAA-4E4A-G2-ZA/EA2
£238.88 (ex. VAT)
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Check similar products or call us on +44 20 4570 3439 for assistance
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Specification & Description
| Specification | Description |
|---|---|
| Part Number | VAA-4E4A-G2-ZA/EA2 |
| Alternative Part Number | VAA4E4AG2ZAEA2 |
| Manufacturer | Pepperl + Fuchs |
| Node Type | Standard node |
| AS-Interface Specification | V3.0 |
| Required Gateway Specification | ≥ V2.0 |
| Profile | S-7.F |
| IO Code | 7 |
| ID Code | F |
| UL File Number | E223772 |
| Indicators/Operating Means | LED for fault, power, auxiliary voltage, input and output states |
| Auxiliary Voltage (Output) | U AUX 20 ... 30 V DC PELV |
| Rated Operating Voltage | Ue 26.5 ... 31.6 V from AS-Interface |
| Rated Operating Current | Ie ≤ 40 mA (without sensors) / max. 220 mA |
| Protection Class | III |
| Surge Protection | U AUX, U in: Over voltage category III, safe isolated power supplies (PELV) |
| Inputs | 4 inputs for 2- or 3-wire sensors (PNP), DC; option 2 inputs for 4-wire sensors (PNP), DC |
| Output | 4 electronic outputs, PNP, overload and short-circuit proof |
| Degree of Protection | IP67 |
| Connection | Cable piercing method, flat cable, M12 round connector |
| Housing Material | PBT |
| Weight | 150 g |
| Mounting | Mounting plate |
| Ambient Temperature | -25 ... 60 °C (-13 ... 140 °F) |
| Storage Temperature | -25 ... 85 °C (-13 ... 185 °F) |
| Relative Humidity | 85 %, noncondensing |
| Climatic Conditions | For indoor use only |
| Altitude | ≤ 2000 m above MSL |
| Pollution Degree | 3 |
The Pepperl + Fuchs VAA-4E4A-G2-ZA/EA2 is a robust AS-Interface sensor/actuator module designed to facilitate seamless communication and control in industrial automation environments. This module is equipped with four inputs and four electronic outputs, supporting a variety of sensors including 2-, 3-, and 4-wire devices. The outputs are capable of handling 24 V DC with a current of up to 1 A per output, making it suitable for a wide range of applications.
Constructed with an IP67 protection rating, the VAA-4E4A-G2-ZA/EA2 is well-suited for field applications where exposure to dust and moisture is a concern. The module features an integrated addressing jack and utilises a cable piercing technique for flat cable connection, offering flexibility in cable management. Each channel is accompanied by an LED indicator on the top of the module to display the current switching status, enhancing visibility and ease of monitoring.
The module also includes LEDs to monitor AS-Interface communication and to indicate the presence of external power supply. It is designed to be mounted using a mounting plate, which is available separately, allowing for easy installation. Additionally, the module incorporates communication monitoring, which ensures that the outputs are switched off if no communication occurs on the AS-Interface line for a specified duration.
The VAA-4E4A-G2-ZA/EA2 is an ideal solution for those seeking a reliable and efficient way to integrate sensors and actuators into their automation systems, providing both flexibility and durability in a compact form factor.
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Frequently Asked Questions
What type of module is this?
This is an AS-Interface sensor/actuator module designed for field applications, featuring 4 inputs for connecting mechanical contacts or 2-, 3-, and 4-wire sensors, and 4 electronic outputs for actuators.
Can you describe the protection rating of this module?
The module is rated with a degree of protection of IP67, making it suitable for use in environments where it may be exposed to dust and water.
How are sensors and actuators connected to this module?
Sensors and actuators can be connected to the module via M12 round connectors. The module also features an integrated addressing jack and uses a flat cable connection with cable piercing technique for easy installation.
What is the function of the integrated LEDs on the module?
The integrated LEDs on the module serve as function displays for bus, external auxiliary voltage, inputs, and outputs. They also indicate the current switching status of each channel, communication errors, and overload conditions.
Is there any special consideration for connecting 4-wire sensors to this module?
For 4-wire sensors, you can only use plug-in slot IN1 or IN3 for inputs 1+2 or 3+4, as these are jumpered internally in the module.
What happens if the module experiences a communication failure?
The module incorporates communication monitoring, which de-energises the outputs if no communication occurs on the AS-Interface line for more than 40 ms, ensuring safety in the event of a communication failure.
How does the module signal an overload condition?
If there is an overload of the internal input supply or the outputs, the module signals this to the AS-Interface master via the 'Peripheral fault' function, while communication via the AS-Interface remains intact.
What are the ambient operating conditions for this module?
The module can operate in ambient temperatures ranging from -25 to 60 °C (-13 to 140 °F), with a relative humidity of up to 85%, non-condensing, and is intended for indoor use only.
What type of power supply is required for the inputs and outputs?
The inputs are supplied from the AS-Interface, while the outputs are powered from an external auxiliary voltage. The module ensures that the inputs and outputs are protected against overload and short-circuit conditions.
Can this module be used with any AS-Interface gateway?
The module requires an AS-Interface gateway with a specification of V2.0 or higher, and it conforms to the AS-Interface specification V3.0.
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