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The Switch Amplifier serves as a 1-channel isolated barrier, designed to operate with a 24 V DC supply. It supports both dry contact and NAMUR inputs, making it versatile for various applications.
The Switch Amplifier is a crucial component in the Pepperl+Fuchs line of intrinsic safety barriers, designed for applications requiring reliable signal processing in hazardous environments. This device provides an isolated interface between field devices and control systems, ensuring that signals remain unaffected by electrical noise and other interferences. Its ability to function as a signal splitter enables one input to be distributed to two outputs, facilitating flexible system design.
With features such as isolated passive transistor outputs and line fault detection (LFD), the Switch Amplifier enhances system safety and reliability. The reversible mode of operation allows for adaptability in various configurations, making it suitable for diverse industrial applications, including process automation, safety monitoring, and control systems. Additionally, its compliance with SIL 2 standards according to IEC 61508 underscores its reliability in critical safety functions.
| Rated current | 100 mA , short-circuit protected |
| Mounting | on 35 mm DIN mounting rail acc. to EN 60715:2001 |
| Dimensions | 20 x 119 x 115 mm (0.8 x 4.7 x 4.5 inch) , housing type B2 |
| Rated values | acc. to EN 60947-5-6 (NAMUR), see system description for electrical data |
| Mass | approx. 150 g |
| Safety Integrity Level (SIL) | SIL 2 |
| Configuration | via DIP switches |
| Response time | 200 micro/s |
| Rated voltage | 19 … 30 V DC |
| Power dissipation | 1 W including maximum power dissipation in the output |
| Ripple | 10 % |
| Output II | signal or error message ; Transistor |
| Connection side | control side |
| Rated voltage | 30 V DC |
| Output I | signal ; Transistor |
| Signal type | Digital Input |
| Open circuit voltage/short-circuit current | approx. 10 V DC / approx. 8 mA |
| Connection | terminals 1+, 2+, 3- |
| Optional accessories | power feed module KFD2-EB2 Universal Power Rail UPR-03 Universal Power Rail UPR-03-S profile rail K-DUCT-BU profile rail K-DUCT-UPR-03 |
| EU-Type Examination Certificate | EXA 16 ATEX 0016 X |
| Labeling | space for labeling at the front |
| Display elements | LEDs |
| Degree of protection | IEC 60529:2001 |
| Line fault detection | breakage I 0.1 mA , short-circuit I 6.5 mA |
| Connection side | field side |
| IECEx approval | IECEx EXA 16.0009X |
| Pulse/Pause ratio | min. 100 micro/s / min. 100 micro/s |
| Connection | output I: terminals 7, 8 ; output II: terminals 10, 11 |
| Connection | Power Rail or terminals 14+, 15- |
| Electromagnetic compatibility | NE 21:2012 , EN 61326-3-2:2008 |
| Switching frequency | 5 kHz |
| Degree of protection | IP20 |
| Switching point/switching hysteresis | 1.2 … 2.1 mA / approx. 0.2 mA |
| Rated current | 20 … 15 mA |
| Control elements | DIP-switch |
| Signal level | 1-signal: (external voltage) – 3 V max. for 100 mA 0-signal: blocked output (off-state current 10 andmicro;A) |
| Ambient temperature | -20 … 60 °C (-4 … 140 °F) |
| Collective error message | Power Rail |
| Connection | screw terminals |
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