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This product is an advanced 4-channel isolated barrier designed for reliable operation in hazardous environments. It supports a 24 V DC supply and is compatible with dry contact or NAMUR inputs, providing versatile integration options.
The Switch Amplifier product family from Pepperl+Fuchs is engineered to ensure safe signal transmission and processing in potentially explosive atmospheres. These devices are crucial for applications where intrinsic safety is a priority, providing isolation between field devices and control systems. The amplifiers are designed to accommodate both dry contact and NAMUR inputs, enabling seamless integration with various types of sensors and switches.
In addition to offering four relay contact outputs, the Switch Amplifier features line fault detection (LFD) to enhance system reliability and safety. With a supply voltage of 24 V DC, the device is bus powered, simplifying installation and reducing wiring complexity. Furthermore, its design is compliant with SIL 2 according to IEC 61508, making it suitable for applications that require a high level of functional safety.
| Relative humidity | 5 … 90 %, non-condensing up to 35 °C (95 °F) |
| Galvanic isolation | EN 50178:1997 |
| Line fault detection | breakage 0 … 0.2 mA, short-circuit 6.5 mA … maximum value |
| Configuration | via DIP switches |
| Rated values | acc. to EN 60947-5-6 (NAMUR) |
| Ambient temperature | -20 … 60 °C (-4 … 140 °F) |
| IECEx approval | IECEx TUN 04.0012 |
| Mounting | on Termination Board |
| Labeling | space for labeling at the front |
| Connection side | field side |
| Supplementary information | Observe the certificates, declarations of conformity, instruction manuals, and manuals where applicable. For information see www.pepperl-fuchs.com. |
| EU-Type Examination Certificate | CESI 02 ATEX 086 |
| Rated current | 15 mA at 24 V, relay energized (per channel) |
| Certificate | PF 11 CERT 2109 X |
| Output type | open collector transistor (internal fault bus) |
| Connection | SL1: 6b |
| Contact loading | 50 V DC / 0.5 A non-inductive |
| Rated voltage | 20.4 … 30 V DC bus powered via Termination Board |
| Display elements | LEDs |
| Output/power supply | functional insulation acc. to DIN EN 50178, rated insulation voltage 50 Veff |
| Mass | approx. 140 g |
| Safety Integrity Level (SIL) | SIL 2 |
| Connection | SL2: 5a(+), 5b(-); 1a(+), 1b(-); 3a(+), 3b(-); 7a(+), 7b(-) |
| Electromagnetic compatibility | NE 21:2006 For further information see system description. |
| Dimensions | 18 x 106 x 128 mm (0.7 x 4.2 x 5 inch) |
| Response time | 20 ms |
| Switching point | contact open 0.2 … 1.2 mA, contact closed 2.1 … 6.5 mA |
| Mechanical life | 107 switching cycles |
| Switching frequency | < 10 Hz |
| Connection | SL1: 8a, 7a; 10a, 9a; 10b, 9b; 8b, 7b |
| Connection | SL1: 1a(-), 1b(-); 2a(+), 2b(+) |
| Output/Output | functional insulation acc. to DIN EN 50178, rated insulation voltage 50 Veff |
| Connectable sensor types | potential free contact or proximity sensor |
| Control elements | DIP-switch |
| Power dissipation | 0.35 W at 24 V (per channel) |
| Output | signal: relay SPST per channel, phase selectable |
| Signal type | Digital Input |
| Degree of protection | IP20 |
| Connection side | control side |
| Coding | pin 1 and 2 trimmed For further information see system description. |
| Degree of protection | IEC 60529:2001 |
Currently, the goods have no revocation.
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