KNE3-YS

KEY FEATURES

  • "Emergency stop" & "Safety gates monitoring" functions
  • Single and 2-channel operation
  • Security with redundancy and feedback circuit
  • 3 "NO" security contacts
  • 1 "NC" monitoring contact
  • Security category 4 (according to EN 954-1)
  • Performance Level (PL) e, safety category 4 to EN ISO 13849-1
  • SIL Claimed Level (SIL CL) 3 to IEC/EN 62061
  • Terminals : fixed screw terminals or plugin cage clamp terminals
TerminalsVoltagesSupply frequency range (Hz)OutputsCode
Screws24 V∿/⎓50/603 NO + 1 NC85102436
Screws110-115 V∿50/603 NO + 1 NC85102434
Screws230 V∿50/603 NO + 1 NC85102435

Specifications


Functions Emergency stop Safety gates monitoring
Operation 1 or 2 channels
Control input Manual restart with On-button (Y1 - Y2 terminals) Automatic restart (switch S2 & Y1 - Y2 linked)
Failure detection Monitored start on On-button With or without cross fault monitoring in the emergency-stop loop (switch S1)
Display of output state by LED Power supply : PWR Output : OUT1 (relay K1) Output : OUT2 (relay K2)
Supply voltage 85 102 436 / 85 103 436 : 24 V ∿/⎓ 85 102 434 : 110-115 V∿ 85 102 435 : 230 V∿
Supply frequency range (Hz) 50 / 60
Operating range ∿/⎓ : ± 10 % Un ∿ : -15 % +10 % Un
Consumption 1,5 W (24 V⎓) 3,7 VA (230 V∿)
Initialization time 250 ms
Maximum reset time 30 ms (manual start) 350 ms (automatic start)
Maximum response time on emergency stop 150 ms (∿/⎓) 50 ms (∿)
Type Forcibly guided relays (positively driven)
Number of safety circuits 3 NO
Number of data circuits 1 NC
Nominal output voltage 250 V AC max.
Max. thermal current I for each contact 8 A
Maximum power rating According to AC15 (NO contacts)  : 3 A / 230 V ∿ According to AC15 (NC contacts)  : 2 A / 230 V∿ According to DC13 (NO contacts)  : 4 A / 24 V⎓ ; 0,5 A / 110 V⎓ According to DC13 (NC contacts)  : 4 A / 24 V⎓
Electrical endurance At 5 A, 230 V∿, cos φ = 1 : 1,5 x 105 switching cycles At 8 A, 24 V⎓, according to DC 13 (NO contacts)  : 25 x 103 switching cycles (ON : 0,4 s ; OFF : 9,6 s)
Mechanical life 20 x 106 switching cycles
Maximum rate 1200 switching cycles / h
Protection against short circuits Max. fuse rating : 10 A gL Line circuit breaker : B 6 A

Operating temperature (o C) -15 →+55
Storage temperature (0C) -25 →+85
Altitude < 2000 m
Climate resistance according to IEC/EN 60068-1 15 / 055 / 04

Vibration resistance according to IEC/EN 60068-2-6 Amplitude : 0,35 mm Frequency : 10 →55 Hz

Immunity to electrostatic discharges acc. IEC/EN 61000-4-2 8 kV (air)
Immunity to radiated, radio-frequency, electromagnetic field acc. IEC/EN 61000-4-3 10 V / m
Immunity to rapid transient bursts acc. to IEC/EN 61000-4-4 2 kV
Immunity to shock waves according to IEC/EN 61000-4-5 Between wires for power supply : 1 kV (∿), 0,5 kV (24 V ∿/⎓) Between wires and ground : 2 kV
Immunity to radio frequency in common mode acc. to IEC/EN 61000-4-6 10 V
Interference suppression according to IEC/EN 55011 Limit value class B

Material : self-extinguishing (UL94VO) Thermoplastic with V0 extinction behaviour
Protection (IEC/EN 60529) - Casing IP40
Protection (IEC/EN 60529) - Term. block IP20
Mounting DIN-rail
Weight (g) 210 (24 V∿/⎓) 275 (230 V∿)

Approvals CE, TÜV, UL / CSA
Environmental directive 2002/95/CE RoHS
Environmental regulation 1907/2006 Reach
Security data according to EN ISO 13849-1 Performance Level (PL)  : e Category : 4
SIL Claimed Level (SIL CL) to IEC/EN 62061 3
Safety Integrity Level (SIL) according to CEI/EN 61508 3
Safety category to EN 954-1 4

Technical sketches

Safety related data

Safety related data

KNE3-YS - Screw terminals

KNE3-YS - Screw terminals

Front face drawing KNE3-YS

Front face drawing KNE3-YS

Contacts

Contacts
A1 (+)   : + / L A2  : - / N Y1, Y2  : Validation Input Y11, Y21, Y12, Y22  : Control Inputs 13, 14, 23, 24, 33, 34  : Safety circuit outputs (forcibly guided NO contacts) 41, 42 : Monitoring output (forcibly guided NC contact)

Function diagram

Function diagram
PH 85102031

Single channel emergency stop circuit

Single channel emergency stop circuit
This circuit does not have any redundancy in the emergency-stop control circuit. S1 : no cross fault detection S2 : automatic start

2-channel emergency stop circuit without cross fault monitoring

2-channel emergency stop circuit without cross fault monitoring
S1 : no cross fault detection S2 : manual start

Contact reinforcement by external contactors controlled by one contact path

Contact reinforcement by external contactors controlled by one contact path
S1 : no cross fault detection S2 : automatic start

2-channel safety gate monitoring

2-channel safety gate monitoring
S1 : no cross fault detection S2 : manual start

Contact reinforcement by external contactors, 2-channel controlled

Contact reinforcement by external contactors, 2-channel controlled
For currents > 8 A, the output contacts can be reinforced by external contactors. Functioning of the external contactors is monitored by looping the NC contacts into the start circuit (Y1-Y2)

2-channel emergency stop circuit with cross fault monitoring

2-channel emergency stop circuit with cross fault monitoring
S1 : cross fault detection S2 : manual start

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