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- 2-channel isolated barrier
- 24 V DC supply (Power Rail)
- Dry contact or NAMUR inputs
- Isolated passive transistor output, TTL level
- Line fault detection (LFD)
- Reversible mode of operation
The Switch Amplifier from Pepperl+Fuchs is designed to facilitate safe signal transmission in hazardous areas. This device serves as a 2-channel isolated barrier, providing reliable isolation and signal conditioning for dry contact and NAMUR inputs. It is particularly suited for applications requiring a 24 V DC supply through Power Rail, ensuring compatibility with standard industrial systems.
Commonly used in process automation and safety-related applications, the Switch Amplifier offers an isolated passive transistor output at TTL level. This feature allows for seamless integration with various control systems while maintaining signal integrity. Additionally, the device incorporates line fault detection (LFD), enhancing operational reliability by continuously monitoring for potential faults.
The reversible mode of operation provides versatility, allowing the device to adapt to different operational requirements as needed. This combination of features makes the Switch Amplifier an essential component for ensuring safe and efficient signal processing in intrinsically safe environments.
| Ripple | 10 % |
| Configuration | via DIP switches |
| Rated voltage | 20 … 30 V DC |
| Open circuit voltage/short-circuit current | approx. 8 V DC / approx. 8 mA |
| Dimensions | 20 x 119 x 115 mm (0.8 x 4.7 x 4.5 inch) |
| Degree of protection | IEC 60529:2001 |
| Signal level | 1-signal: switching voltage – 0.85 V max. at 2 mA switching current 0-signal: switched off (off-state current 10 andmicro;A) |
| Input/Output | reinforced insulation acc. to IEC 62103, rated insulation voltage 300 Vrms |
| Mounting | on 35 mm DIN mounting rail acc. to EN 60715:2001 |
| Output/power supply | basic insulation according to IEC 62103, rated insulation voltage 50 Veff |
| Connection | screw terminals |
| Certificate | TV 99 ATEX 1499 X |
| Electromagnetic compatibility | NE 21:2004 |
| Display elements | LEDs |
| Control elements | DIP-switch |
| Optional accessories | – power feed module KFD2-EB2(.R4A.B)(.SP) – universal power rail UPR-03(-M)(-S) – profile rail K-DUCT-BU(-UPR-03) |
| Switching voltage | max. 30 V |
| Connection | terminals 1+, 2+, 3-; 4+, 5+, 6- |
| Switching frequency | 5 kHz |
| Rated current | 50 mA |
| EU-Type Examination Certificate | PTB 00 ATEX 2035 |
| Collective error message | Power Rail |
| Ambient temperature | -20 … 60 °C (-4 … 140 °F) |
| Mass | approx. 150 g |
| Connection side | field side |
| Switching current | max. 2 mA , short-circuit protected |
| EU-Type Examination Certificate | DMT 01 ATEX E 133 |
| Input | EN 60947-5-6:2000 |
| Degree of protection | IP20 |
| Connection side | control side |
| Rated values | acc. to EN 60947-5-6 (NAMUR), see system description for electrical data |
| Input/power supply | reinforced insulation acc. to IEC 62103, rated insulation voltage 300 Vrms |
| Output I, II | signal , TTL compatible |
| Connection | output I: terminals 7+, 8- ; output II: terminals 10+, 11- |
| Labeling | space for labeling at the front |
| Signal type | Digital Input |
| Supplementary information | Observe the certificates, declarations of conformity, instruction manuals, and manuals where applicable. For information see www.pepperl-fuchs.com. |
| Line fault detection | breakage I 0.1 mA , short-circuit I > 6 mA |
| Switching point/switching hysteresis | 1.2 … 2.1 mA / approx. 0.2 mA |
| Galvanic isolation | IEC 62103:2003 |
| Connection | Power Rail or terminals 14+, 15- |
| Output/Output | basic insulation according to IEC 62103, rated insulation voltage 50 Veff |
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