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This relay module is a 1-channel signal conditioner designed for use in intrinsically safe applications. It operates with a 24 V DC supply and features a logic input range of 20 V DC to 26.5 V DC.
The Relay Module from Pepperl+Fuchs is engineered to facilitate signal conditioning in hazardous environments where intrinsic safety is paramount. This product is commonly utilized in process automation and control systems, allowing for reliable operation in areas where flammable gases or vapors may be present. Its fail-safe relay contact output ensures safe functionality, whether the system is energized or de-energized.
Designed to meet rigorous safety standards, this module is capable of achieving up to Safety Integrity Level (SIL) 3 in accordance with IEC 61508. The device incorporates test pulse immunity, which enhances its robustness against transient disturbances, thereby ensuring consistent performance in critical applications. Its non-polarized logic input further simplifies integration into existing systems, making it an ideal choice for a variety of industrial and manufacturing processes.
| Mechanical life | 5 x 106 switching cycles |
| Contact loading | 253 V AC/5 A/cos andphi; 0.7; 30 V DC/5 A resistive load |
| Signal level | 0-signal: -3 … 3 V DC 1-signal: 20 … 26.5 V |
| Power dissipation | < 1.5 W |
| Display elements | LEDs |
| Degree of protection | IP20 |
| Rated current | 45 … 50 mA |
| Certificate | PF 15 CERT 3844 X |
| Electromagnetic compatibility | NE 21:2012 |
| Input/Output | reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff |
| Connection | screw terminals |
| Test input | see Functional Safety Manual |
| Connection side | control side |
| Fuse rating | 2.5 A (max. 5 A) recommended maximum utilization of the fuse: 80 % |
| Mounting | on 35 mm DIN mounting rail acc. to EN 60715:2001 |
| Ambient temperature | -20 … 60 °C (-4 … 140 °F) |
| Safety Integrity Level (SIL) | SIL 3 |
| Signal type | Digital Output |
| Energized/De-energized delay | approx. 10 ms / approx. 5 ms |
| Power consumption | < 1.5 W |
| Minimum switch current | 2 mA / 24 V DC |
| Connection side | field side |
| Output/Output | reinforced insulation according to IEC/EN 61010-1, rated insulation voltage 300 Veff |
| Rated voltage | loop powered |
| Dimensions | 20 x 119 x 115 mm (0.8 x 4.7 x 4.5 inch) , housing type B2 |
| Pulse/Pause ratio | min. 20 ms / min. 20 ms |
| Degree of protection | IEC 60529:2013 |
| Connection | output I (ETS): terminals 2, 3 output II (DTS): terminals 4, 5, 6 output I and II (DPS): terminals 2, 3, 4, 5, 6 |
| Mass | approx. 100 g |
| Supplementary information | Observe the certificates, declarations of conformity, instruction manuals, and manuals where applicable. For information see www.pepperl-fuchs.com. |
| Labeling | space for labeling at the front |
| Switching frequency | < 10 Hz |
| Connection | Input terminals 7, 8 ; test input terminals 10, 11, 12 |
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