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Specification & Description
| Specification | Description |
|---|---|
| Part Number | EG2-R |
| Alternative Part Number | EG2R |
| Manufacturer | Pepperl + Fuchs |
| Signal Type | Digital Input |
| Supply Voltage | 20.4 ... 27.6 V DC |
| Rated Current | Approx. 60 mA |
| Number of Channels | 2 |
| Input Type | Intrinsically safe, Dry contact or NAMUR inputs |
| Output Type | Relay output and active transistor output |
| Line Fault Detection (LFD) | Yes, with disable option |
| Mode of Operation | Reversible |
| Safety Integrity Level (SIL) | Up to SIL 2 according to IEC 61508 |
| Mounting | 19" rack, Eurocard 100 x 160 mm (3.9 x 6.3 inch) according to DIN 41494, front panel 4TE |
| Ambient Temperature Range | -25 ... 60 °C (-13 ... 140 °F) |
| Degree of Protection | IP20 |
| Connection | 32-pin plug connector according to DIN 41612, series 2, type F; z and d provided |
| Weight | Approx. 200 g |
| Dimensions | 20 x 128 x 193 mm (0.8 x 5 x 7.5 inch) |
The Pepperl + Fuchs EG2-R is a versatile and reliable switch amplifier designed to facilitate the safe transmission of digital signals from hazardous areas to non-hazardous areas. This 2-channel isolated barrier is equipped with a 24 V DC supply and is capable of interfacing with both dry contact and NAMUR sensor inputs. Each channel is independently configurable, allowing for a tailored mix of input types and line fault detection settings.
The EG2-R ensures operational integrity with its line fault detection (LFD) feature, which monitors for any line breaks or short circuits, enhancing the diagnostic capabilities of your system. The unit's mode of operation can be reversed, providing flexibility in signal processing and control schemes.
With relay outputs and active transistor outputs, the EG2-R offers a robust solution for controlling safe area loads. The status of each channel is clearly indicated by LEDs, which are in accordance with NAMUR NE44 standards, providing at-a-glance diagnostics.
Constructed to fit into a standard Eurocard format, the EG2-R is designed for easy installation into a 19" rack system, ensuring compatibility with a wide range of control cabinets and simplifying integration into existing setups. Its compact and durable design, along with a protective degree of IP20, makes it suitable for a variety of industrial applications.
The EG2-R is also compliant with IEC 61508 up to SIL 2, demonstrating its reliability and suitability for use in systems that require a high level of functional safety. This switch amplifier is an essential component for industries looking to maintain safe and efficient operations in environments where explosive atmospheres may be present.
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Frequently Asked Questions
What is the function of this isolated barrier?
The isolated barrier is designed for intrinsic safety applications, transferring digital signals from hazardous areas to safe areas. It allows for the connection of NAMUR sensors or dry contacts, controlling a relay output for safe area loads.
Can the mode of operation and line fault detection be configured individually for each channel?
Yes, the mode of operation and line fault detection can be set for each individual channel, allowing for a mix of sensors and mechanical contacts with or without line breakage/short circuit detection.
How are faults indicated on the device?
Faults are indicated by LEDs in accordance with NAMUR NE44 standards, providing clear and immediate visual feedback for any issues.
What type of inputs can be connected to this device?
The device accepts digital inputs, specifically from NAMUR sensors or dry contact switches, suitable for use in hazardous area applications.
What are the power supply requirements for this isolated barrier?
The isolated barrier requires a 24 V DC power supply, with a nominal voltage range of 20.4 to 27.6 V DC and a nominal current of approximately 60 mA.
Is the device suitable for use in safety-related applications?
Yes, the device is suitable for use in safety-related applications and is rated up to SIL 2 according to IEC 61508.
What type of outputs does the device provide?
The device provides relay outputs for the safe area load and also features an active transistor output.
Can the line fault detection feature be disabled?
Yes, the line fault detection can be disabled if necessary, allowing for greater flexibility in application requirements.
What are the ambient operating temperature limits for this device?
The device can operate within an ambient temperature range of -25 to 60 degrees Celsius, ensuring reliable performance in a variety of environmental conditions.
What is the mechanical life expectancy of the relay outputs?
The relay outputs have a mechanical life expectancy of 2 x 10^5 switching cycles, providing a robust and durable solution for industrial applications.
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