OSSDs (Output Signal Switching Devices)
| SFM-…2: | Two OSSDs with 4 normally closed contacts |
Auxiliary contactsOne auxiliary contact per channel.
InputsOne start input per channel and one feedback loop per channel.
Logic functionsProgrammable with AsiMon software. All safety components can be programmed with different functions as inputs. The inputs can be linked with AND or OR gates.
Dimension drawing
Wiring diagram
Dimension drawingWiring diagram
Technical dataApprovals
Mechanical values and environment
| Housing material | Polyamide PA6.6 |
| Weight | |
| Net | 0,45 kg |
| Ambient temperature | -20 … 60 °C |
| Degree of protection | IP20 |
| Mounting method | Mounting rail 35mm according to DIN EN 6715 TH35 |
| Connection | Connection terminals |
| Safety contacts 1.14, 1.24, 2.14, 2.24 | |
| Number of safety contacts | 2 |
| Auxiliary contact terminals: L/+/1.Y1, L/+/2.Y1 | |
| Number of monitoring contacts | 2 |
| Terminals for the start buttons: 1.Y2, 2.Y2 | |
| Number of inputs | 2 |
Electrical connection ratings
| ASi voltage | 18,5 … 31,6 V |
| ASi operating current | max.45 mA |
| Operating voltage DC | |
| 24 | -15 … +15 V DC |
| Rated operating current Ie | 200 mA |
| Thermal rated current Ith | |
| Per output circuit | 3 A |
| Fusing | |
| External contact fuses (safety circuit) according to IEC 60269-1 | 4A medium slow-blow |
| Residual ripple | max.15 % |
| Overvoltage category according to IEC EN 60664-1 | 3 |
| Connection cross-section | 2x AWG 20 to 14 |
| For wire | 1x(0.5…4.0)mm2, 2x(0.5…2.5)mm2 |
| Flexible wire with cable end sleeve | 1x(0.5…2.5)mm2, 2x(0.5…1.5)mm2 |
| Current via feedback loop | |
| at 24 V DC | 10 mA Optocoupler input active high input current |
| Response delay | max.40 ms |
| Switch-on delay | max.10 s |
| Max. contact load | |
| DC-13 | 1A 24V |
| AC-15 | 3A 230V |
| ASi slave type | |
| EA code: 7 | |
| ID code: F | |
| Safety contacts 1.14, 1.24, 2.14, 2.24 | |
| Type of output | |
| 2 NO contacts per safety output | Relay contacts, floating, positively driven |
| Auxiliary contact terminals: L/+/1.Y1, L/+/2.Y1 | |
| Type of output | Semiconductor output, 200 mA, short-circuit and reverse polarity protection |
| Terminals for the start buttons: 1.Y2, 2.Y2 | |
| Type of input | |
| at 24 V DC | Optocoupler input active high for start buttons, input current approx. 10 mA |
Interface, bus
| Data interface | Connection socket for configuration |
Other
| In compliance with | EN ISO 13849-1, EN 62061, IEC 61508, IEC EN 60204-1, EN 50295 |
| Function scope | Base |
Reliability values according to EN ISO 13849-1
| Performance Level | PL e |
| Category | 4 |
| PFHD | 9.1 x 10-9 |
| SIL CL | 3 |
| Mission time | 20 y |
