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Product properties	Product type: Safety device Application: Emergency stop Light grid Safety door Safe shutdown Insulation characteristics Protection class: III (ENÃ50178) Times Response time: see user manual Restart time: min. 5 s (Boot time) max. 10 s (Boot time)
Electrical properties	Maximum power dissipation for nominal condition: 6.24 W (with max. permissible load) Nominal operating mode: 100% operating factor Interfaces: DIN rail TBUS for connection to the master module, not supplied as standard Air clearances and creepage distances between the power circuits Rated insulation voltage: 250 VÃAC Rated surge voltage/insulation: Basic insulation 4 kV between all current paths and housing Supply Designation: A1/A2 Rated control circuit supply voltage U_S: 19.2 VÃDC ... 28.8 VÃDC 24 VÃDC -20Ã%Ã/Ã+20Ã% (external fuse, typically 4ÃA) Rated control supply current I_S: typ. 55 mA (Outputs inactive) typ. 70 mA (Outputs active, without load) Power consumption at U_S: typ. 1.32 W (Outputs inactive) Inrush current: 9.5 A (ÃÃ¢tÃ=Ã1Ãms at U_s) Filter time: typ. 5 ms (at A1 in the event of voltage dips at U_s) Protective circuit: Inverse-parallel protection against polarity reversal Suppressor diode
Input data	Digital: IN1, IN2, IN3, IN4, IN5, IN6, IN7, IN8 Description of the input: Safety-related digital inputs EN 61131-2 type 1 Number of inputs: 8 Input voltage range "0" signal: 0 VÃDC ... 5 VÃDC Input voltage range "1" signal: 15 VÃDC ... 28.8 VÃDC Input current range "0" signal: < 1 mA Filter time: min. 3 ms Ã±2Ãms (adjustable) max. 250 ms Ã±2Ãms (adjustable) Test pulse rate Ã¢Ã¢°¥Ã2xÃset filter time, min. Test pulse rateÃ=Ã10Ãms Cable length: max. 100 m (per input) Max. permissible overall conductor resistance: max. 1.2 kÃ© (Input and reset circuit at U_S) Protective circuit: Suppressor diode Current consumption: typ. 8 mA (typically with U_S) max. 10 mA (at a control voltage of 28.8ÃVÃDC) Digital: Reset inputs (FBK1, FBK2) Description of the input: IEC 61131-2 type 3 non-safety-related (configurable) Number of inputs: 2 Input voltage range "0" signal: 0 VÃDC ... 5 VÃDC Input voltage range "1" signal: 11 VÃDC ... 28.8 VÃDC Input current range "0" signal: < 1 mA Filter time: 250 ms Ã±2Ãms (Test pulse rateÃ>Ã500Ãms) Cable length: max. 100 m (per input) Max. permissible overall conductor resistance: 1.2 kÃ© (Input and reset circuit at U_S) Protective circuit: Suppressor diode Current consumption: typ. 10 mA (typically with U_S) max. 13 mA (at a control voltage of 28.8ÃVÃDC) Digital: Enable inputs (EN1, EN2) Number of inputs: 2 Input voltage range "0" signal: 0 VÃDC ... 5 VÃDC Input voltage range "1" signal: 8 VÃDC ... 28.8 VÃDC Input current range "0" signal: < 0.2 mA Filter time: 100 ms Ã±2Ãms (Test pulse duration) > 1 s (Test pulse rate) Cable length: max. 100 m (per input) Max. permissible overall conductor resistance: max. 12 kÃ© Protective circuit: Suppressor diode Current consumption: typ. 0.7 mA (typically with U_S) max. 1 mA (at a control voltage of 28.8ÃVÃDC)
Output data	Digital: O1A,ÃO1B,ÃO2A,ÃO2B Output description: Safety-related digital outputs PNP, OSSD IEC 61131-2 typeÃ0.5 (observe limiting continuous current) Number of outputs: 4 (can be used as 2 two-channel outputs) Protective circuit: Suppressor diode Short-circuit protection: Yes (self-limitation at 1.1ÃA) Leakage current: max. 500 ÃµA Cable length: max. 100 m (per output) Ohmic load: min. 50 Ã© (Observe limiting continuous current) Max. capacitive load: max. 680 nF Max. inductive load: max. 1.4 mH Limiting continuous current: 400 mA (per channel) 1.6 A (Total current of all safe digital outputs) Inrush current: max. 750 mA (ÃÃ¢tÃÃ¯Ã¢£Ã1Ãs) Nominal output voltage: 24 VÃDC (Supply via A1) Nominal output voltage range: 18 VÃDC ... 27.6 VÃDC (U_SÃ-Ã1.2ÃV) Switching frequency: max. 1/4ÃxÃt_Cycle [Hz] Output voltage when switched off: < 1.5 V Test pulses: < 80 Ãµs (Test pulse width of low test pulses) Test pulse rate for low test pulses >Ã2ÃxÃT_Cycle < 20 Ãµs (Test pulse width, high test pulse) Ã¢Ã¢°¥ 1.5 s (Test pulse rate, high test pulse) Discharging circuit: Yes, internal Signal: MO1, MO2 Output description: PNP, IEC 61131-2 Typ 0,1 non-safety-related Number of outputs: 2 Output voltage when switched off: max. 0.1 V Voltage: 24 VÃDC (via A1) Maximum inrush current: 1.1 A (ÃÃ¢tÃ=Ã3ÃsÃat U_s) Limiting continuous current: 100 mA (per channel) 200 mA (Total current of all digital signal outputs) Leakage current: max. 100 ÃµA Switching frequency: max. 1/4ÃxÃt_Cycle [Hz] Protective circuit: Suppressor diode Short-circuit protection: Yes (self-limitation at 1.1ÃA) Cable length: max. 100 m (per output) Clock: T1, T2, T3, T4 Output description: PNP, IEC 61131-2 type 0.5 Number of outputs: 4 Voltage: 24 VÃDC (via A1) Output voltage when switched off: max. 0.1 V Maximum inrush current: 1.1 A (ÃÃ¢tÃ=Ã3ÃsÃat U_s) Limiting continuous current: 100 mA (per channel) 400 mA (Total current of all outputs) Leakage current: max. 100 ÃµA Test pulses: Ã¢Ã¢°¤ 220 Ãµs (Test pulse duration) Test pulse rateÃ=Ã8ÃxÃt_Cycle [ms] Short-circuit protection: Yes (self-limitation at 1.1ÃA) Cable length: max. 100 m (per output) Max. capacitive load: max. 470 nF Max. inductive load: max. 2.4 mH Discharging circuit: Yes, internal
Connection data	Connection technology pluggable: yes Conductor connection Connection method: Push-in connection Conductor cross section rigid: 0.2 mm² ... 2.5 mm² Conductor cross section flexible: 0.2 mm² ... 2.5 mm² Conductor cross-section AWG: 24 ... 16 Stripping length: 10 mm
Signaling	Status display: 1 x LED (green), 1 x LED (orange), 1 x LED (blue) 2 x LED (green, red) 12 x LED (yellow) Operating voltage display: 1 x green LED Error indication: 2ÃxÃLED (red)
Dimensions	Width: 22.61 mm Height: 107.74 mm Depth: 113.6 mm
Material specifications	Housing material: Polyamide PA non-reinforced
Characteristics	Safety data Stop category: 0 Safety data: ENÃISOÃ13849 Performance level (PL): e (2-channel wiring) d (1-channel wiring) Safety data: IEC 61508 - High-demand for 2-channel wiring Safety Integrity Level (SIL): 3 Safety data: IEC 61508 - High-demand for 1-channel wiring Safety Integrity Level (SIL): 2 Safety data: ENÃIEC 62061 Safety Integrity Level (SIL): 3 (2-channel wiring) 2 (1-channel wiring)
Environmental and real-life conditions	Ambient conditions Degree of protection: IP20 Min. degree of protection of inst. location: IP54 Ambient temperature (operation): -10°C ... 55°C (observe derating) Ambient temperature (storage/transport): -20°C ... 85°C Maximum altitude: Ã¢Ã¢°¤ 2000 m (Above sea level) Max. permissible humidity (storage/transport): 95 % (non-condensing) Max. permissible relative humidity (operation): 95 % (non-condensing) Shock: 10g for ÃÃ¢tÃ=Ã16Ãms (continuous shock, 1000 shocks in each space direction) Vibration (operation): 10ÃHzÃ...Ã150ÃHz, 2g
Approvals	CE Identification: CE-compliant
Mounting	Mounting type: DIN rail mounting Assembly instructions: Observe derating Mounting position: vertical or horizontal Connection method: Push-in connection