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Ordering details |
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Product type description | T4K 256 STL-AS 2S - Ordering suffix |
Article number | T4K 256 STL-AS 2S |
EAN Code |
eCl@ss | 27-27-26-01 |
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Approval |
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Approval | 

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Classification |
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Application: Two position switches, dependent, on one safety guard: |
Standards | EN ISO 13849-1, IEC 61508 |
PL | up e |
Control category | up 4 |
PFH | 2 x 10−8 / |
- notice | up to max. 100000 switching cycles/year |
SIL | up 3 |
Mission time | 20 Years |
Application: Each time one position switch, independent, on two safety guards: |
Standards | EN ISO 13849-1, IEC 61508 |
PL | up c |
Control category | up 1 |
PFH value | 1.14 x 10−6 / |
- notice | up to max. 100000 switching cycles/year |
SIL | up 1 |
Mission time | 20 Years |
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Global Properties |
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Permanent light | AS - 256 2S Winkelhebel 4K |
Standards | EN 50295, EN 60947-5-1, EN ISO 13849-1, IEC 61508 |
Compliance with the Directives (Y/N)  | Yes |
Suitable for safety functions (Y/N) | Yes |
Materials |
- Material of the housings | Plastic, glass-fibre reinforced thermoplastic, self-extinguishing |
- Material of the connector | Plastic |
- Material of the contacts | Silver |
Housing coating |
Housing construction form | Norm construction design |
Weight |
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Mechanical data |
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Design of electrical connection | connector plug M12, 4-pole (AS-i connection) connector socket M12, 4-pole (2 . switch) |
connector | left (AS-i) right (2. switch) |
Mechanical life | 1.000.000 operations |
Switching frequency | 5000 |
Design of actuating element | Angle roller lever |
Actuating force | 6 |
restistance to shock | 30 / 11 |
Resistance to vibration | 10 … 150, Amplitude 0,35 / 5 |
Positive break force | 16 |
Actuating speed for vertical actuation |
- Max. Actuating speed | 1 |
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Ambient conditions |
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Ambient temperature |
- Min. environmental temperature | −25 |
- Max. environmental temperature | +60 |
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- Min. Storage and transport temperature | −25 |
- Max. Storage and transport temperature | +85 |
Relative humidity | 30 … 95 |
- non-condensing |
- non-icing |
Protection class | IP67 to IEC/EN 60529 |
Protection rating | II |
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Electrical data |
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Design of control element | Opener (NC) |
Switching principle | Creep circuit element |
- positive break NC contact  |
Number of auxiliary contacts | 0 |
Number of safety contacts | 2 |
Rated impulse withstand voltage | 800 |
Rated insulation voltage | 32 |
Thermal test current | 10 A |
Utilisation category | AC-15: 230 V / 4 A, DC-13: 24 V / 1 A |
Max. fuse rating | 6 A gG D-fuse |
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Electrical data - AS interface |
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AS-i Supply voltage | 18 … 31.6 VDC, Protection against polarity reversal |
AS-i operating current | ≤ 50 |
AS-i Device insulation | internally short-circuit proof |
AS-i Specification |
- version | V 3.0 |
- Profile | S-0.B.F.F |
AS-i Inputs |
- Channel 1 | Data bits DI 0/DI 1= dynamic code transmission (Z/T 256 AS) |
- Channel 2 | Data bits DI 2/DI 3= dynamic code transmission (2. switch) |
AS-i Outputs | DO 0 … DO 3 not used |
AS-i Parameter bits | P1 … P3 not used |
- P0 | Channel 2 switched, switching condition 2. switch |
AS-i input module address | 0 |
- Default on address 0, programmable via the AS-Interface Master or Hand-held programming device |
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LED switching conditions display |
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LED switching conditions display (Y/N) | Yes |
AS-i LED switching conditions display |
(1) yellow LED | Channel 1 / AS-i SaW Bit 0,1 |
(2) green/red LED (AS-i duo LED) | Supply voltage / Communication error / slave address = 0 |
(3) yellow LED | Channel 2 / AS-i SaW Bit 2,3 |
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ATEX |
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Explosion protection categories for gases | None |
Explosion protected category for dusts | None |
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Dimensions |
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Dimensions of the sensor |
- Width of sensor | 87 |
- Height of sensor | 94 |
- Length of sensor | 31 |
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Pin assignment |
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Connector |
1 | AS interface + |
2 | None |
3 | AS interface − |
4 | None |
connector socket 2. switch |
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Diagram |
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Note Diagram
positive break NC contact
active
no active
Normally-open contact
Normally-closed contact |
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Switch travel diagram |
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Notes Switch travel diagram
Contact closed
Contact open
Setting range
Break point
Positive opening sequence/- angle VS adjustable range of NO contact VÖ adjustable range of NC contact N after travel
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Ordering suffix |
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The applicable ordering suffix is added at the end of the part number of the safety switch. Order example: T4K 256 STL-AS 2S-FKL
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...-FKL | Connection for flat cable, left
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K.A. Schmersal GmbH & Co. KG, Möddinghofe 30, D-42279 Wuppertal The data and values have been checked throroughly. Technical modifications and errors excepted. Generiert am
18.02.2019 -
03:01:44h Kasbase 3.3.0.F.64I |