Detects standstill using 1 or 2 impulse sensorsUses additional standstill signal, e.g. PLC as second input channel2 safety contacts2 Signalling outputs
| Note (Delivery capacity) | Not available! |
| Product type description | FWS 1206 A |
| Article number (order number) | 101170057 |
| EAN (European Article Number) | 4030661297194 |
| eCl@ss number, version 12.0 | 27-37-18-19 |
| eCl@ss number, version 11.0 | 27-37-18-19 |
| eCl@ss number, version 9.0 | 27-37-18-19 |
| ETIM number, version 7.0 | EC001449 |
| ETIM number, version 6.0 | EC001449 |
| Available until | 31.12.2024 |
| cULus |
| Standards | BG-GS-ET-20 EN IEC 62061 EN ISO 13849-1 EN IEC 60947-5-1 EN IEC 60947-5-3 EN IEC 60947-5-5 EN IEC 60204-1 EN IEC 60947-1 |
| Climatic stress | EN 60068-2-3 BG-GS-ET-14 |
| Housing material | Glass-fibre reinforced thermoplastic, ventilated |
| Gross weight | 200 g |
| Wire breakage detection | Yes |
| Feedback circuit | Yes |
| Reset edge detection | Yes |
| Earth connection detection | Yes |
| Integral system diagnostics, status | Yes |
| Number of LEDs | 1 |
| Number of undelayed semi-conductor outputs with signaling function | 2 |
| Number of safety contacts | 2 |
| Number of signalling outputs | 2 |
| Safety classification |
| Standards | EN IEC 61508 |
| Performance Level, up to | d |
| Category | 3 |
| PFH value | 1.00 x 10⁻⁷ /h |
| Safety Integrity Level (SIL), suitable for applications in | 2 |
| Mission time | 20 Year(s) |
| Stop-Category | 0 |
| Mechanical life, minimum | 20,000,000 Operations |
| Mounting | Snaps onto standard DIN rail to EN 60715 |
| Terminal designations | IEC/EN 60947-1 |
| Termination | rigid or flexible Screw terminals M20 x 1.5 |
| Cable section, minimum | 0.2 mm² |
| Cable section, maximum | 2.5 mm² |
| Tightening torque of Clips | 0.6 Nm |
| Width | 22.5 mm |
| Height | 100 mm |
| Depth | 121 mm |
| Degree of protection of the enclosure | IP40 |
| Degree of protection of the mounting space | IP54 |
| Degree of protection of clips or terminals | IP20 |
| Ambient temperature | +0 ... +55 °C |
| Storage and transport temperature | -25 ... +70 °C |
| Resistance to vibrations | 10 ... 55 Hz, Amplitude 0.35 mm |
| Restistance to shock | 30 g / 11 ms |
| Rated impulse withstand voltage Uimp | 4.8 kV |
| Overvoltage category | II |
| Degree of pollution | 3 |
| Operating voltage | 24 VDC -15 % / +15 % |
| Thermal test current | 6 A |
| Rated operating voltage | 24 VDC |
| Rated AC voltage for controls, 50 Hz, minimum | 20.4 VAC |
| Rated control voltage at AC 50 Hz, maximum | 26.4 VAC |
| Rated AC voltage for controls, 60 Hz, minimum | 20.4 VAC |
| Rated control voltage at AC 60 Hz, maximum | 26.4 VAC |
| Rated AC voltage for controls at DC minimum | 20.4 VDC |
| Rated control voltage at DC, maximum | 28.8 VDC |
| Electrical power consumption, maximum | 5 W |
| Contact resistance, maximum | 0.1 Ω |
| Note (Contact resistance) | in new state |
| Material of the contacts, electrical | Ag-Ni 10 and 0.2 µm gold-plated |
| Voltage, Utilisation category AC-15 | 230 VAC |
| Current, Utilisation category AC-15 | 3 A |
| Voltage, Utilisation category DC-13 | 24 VDC |
| Current, Utilisation category DC-13 | 2 A |
| Switching capacity, minimum | 10 VDC |
| Switching capacity, minimum | 10 mA |
| Switching capacity, maximum | 250 VAC |
| Switching capacity, maximum | 8 A |
| Input signal, HIGH Signal "1" | 10 … 30 VDC |
| Input signal, LOW Signal "0" | 0 … 2 VDC |
| Conduction resistance, maximum | 40 Ω |
| Switching capacity, maximum | 24 VDC |
| Switching capacity, maximum | 2 A |
| Note (ISD -Faults) | The following faults are registered by the safety monitoring modules and indicated by ISD. |
| Faults | Failure of the safety relay to pull-in or drop-out Fault on the input circuits or the relay control circuits of the safety monitoring module Failure of the proximity switches Failure of one channel being evaluated Interruption of the connections to the inductive proximity switches |
| Note (applications) | safe standstill monitoring |
| Note (General) | Inductive loads (e.g. contactors, relays, etc.) are to be suppressed by means of a suitable circuit. |
| Note (Wiring diagram) | The wiring diagram is shown with guard doors closed and in de-energised condition. The ISD tables (Intergral System Diagnostics) for analysis of the fault indications and their causes are shown in the appendix. To monitor one guard door at plants with dangerous run-on movements up to PL d and Category 3 Standstill monitoring for unlocking solenoid interlocks For suitable IFL range p-type inductive proximity switches, refer to "Schmersal Catalogue Automatisierungstechnik". The solenoid interlock can be opened, when the standstill monitor has detected the end of the run-on movement by means of one or two inductive proximity switches as well as the supplementary standstill signal (H7). When the button (E) is actuated, the coil of the solenoid interlock is energised. |
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