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Technical content
Carlo Gavazzi Automation S.p.A. ESI ESI DS EN 25/09/2020 Electromagnetic safety interlock with separated actuator
Description
The Carlo Gavazzi safety switches are devices designed and manufactured in accordance with IEC international standards and EN European regulations. This device is used on machines where the hazardous conditions remain for a while after the stop signal generation and is helpful for the realization of safety systems in accordance with ISO 14119, performing a personal protection function. Benefits
- Enhancing safety. Ideal for applications that require access to remain closed and locked until potential hazards have stopped or come to a predetermined safe state.
- Easy to install and cost effective. Protecting machines from interruptions in production.
- Standards compliance. SIL 3 in accordance with EN 62061, PL e in accordance with EN ISO 13849-1, interlock type 2 in accordance with EN ISO 14119.
- High performance. Reinforced polymeric casing with a protection degree IP65, operation range from -25°C to +55°C, retention force 1200N.
- Approvals by IMQ, CE, cULus.
Applications
This device is useful for guarantee the safety of the operator in case of machines where the hazardous conditions remains for a while time after the generation of the stop signal, because of the mechanical inertia of moving parts, components under pressure or with high temperatures. Main functions
- Ensure protection in inertia's machineries
- Prevents the entry in a dangerous area until the unlock signal
- With manual unlock device for emergency
- Block controlled by solenoid
- Signals generated by solenoid or actuator
- Without electronic PCB
Carlo Gavazzi Automation S.p.A. ESI ESI DS EN 25/09/2020 References Order code ESI 1 024 Enter the code option instead of Code Option Description E - Electromagnetic S - Safety I - Interlock 31 3NC (1NC actuator, 2NC solenoid) + 1NO (solenoid) 22 2NC (solenoid) + 2NO (1NO actuator, 1NO solenoid) 13 1NO (actuator) + 3NC (1NC actuator, 2NC solenoid) 1 - Head orientation: frontal E Electrical block M Mechanical block 024 - 24 Vac/dc K25 K26 K27 K28 K29 Fig. 1 Head orientation Fig. 2 Actuators (to be ordered separately)
Carlo Gavazzi Automation S.p.A. ESI ESI DS EN 25/09/2020 Selection guide: electrical interlock Part number Electrical interlock Coil ESI311E024 1NO + 2NC (Coil) + 1NC (Actuator) 24Vac/dc ESI221E024 1NO + 2NC (Coil) + 1NO(Actuator) 24Vac/dc ESI131E024 2NC (Coil) + 1NO + 1NC (Actuator) 24Vac/dc Selection guide: mechanical interlock Part number Mechanical Interlock Coil ESI311M024 1NO + 2NC (Coil) + 1NC (Actuator) 24Vac/dc ESI221M024 1NO + 2NC (Coil) + 1NO(Actuator) 24Vac/dc ESI131M024 2NC (Coil) + 1NO + 1NC (Actuator) 24Vac/dc CARLO GAVAZZI compatible components Purpose Component name/code Notes Safety modules CM - Safety module CMM - Safety modules SMS - Further reading Information Where to find it QR Instruction manual http://www.productselection.net/MANUALS/UK/ESI_IM.pdf SISTEMA Libraries http://www.gavazzi-automation.com/nsc/HQ/EN/safety_modules
Carlo Gavazzi Automation S.p.A. ESI ESI DS EN 25/09/2020 Structure Element Component A Operating head B Actuator* C Solenoid D Contact block E Manual unlock device F Release device with security screw G 3x M20 cable inlet * To be ordered separately (fig. 2)
Carlo Gavazzi Automation S.p.A. ESI ESI DS EN 25/09/2020
Features
M20x1.5(3x) Performance Max actuating speed 20 m/min Switching frequency 600 cycles/h Retention force at locked actuator 1200N Resistance between contacts 25 mΩ Mechanical durability 1 million of operations B10d 4 million of operations
Carlo Gavazzi Automation S.p.A. ESI ESI DS EN 25/09/2020 Contact block Rated impulsive withstand volt- age Uimp 2,5 kV Conventional free air thermal current Ith 10A Rated operating current AC-15 24V - 10A Rated operating current AC-15 230V - 4A Rated operating current DC-13 24V - 4A Connection specifications Connecting terminals M3 screws with cable clamp Wiring dimensions* 0.34 - 1.5 mm2 * Use only copper conductors 60/70°C, AWG14-18, stranded and solid conductor. Clamps tightening torque 0.8Nm. Compatibility and conformity Standard compliance Low Voltage Directive 2014/35/EU in accordance with EN/IEC 60947-5-1 Machinery Directive 2006/42/CE in accordance with EN ISO 14119 SIL 3 in accordance with EN 62061 PL e in accordance with EN ISO 13849-1 Interlock type 2 in accordance with EN ISO 14119 Terminal marking In accordance with IEC 60947-5-1 Approvals Environmental Operating temperature -25 ÷ 55°C Environmental designation Type-1 enclosure Protection against electrical shock Classe II IP protection degree IP65 Rated insulation voltage Ui 250V Utilization category according to UL508 A300 - Q300
Carlo Gavazzi Automation S.p.A. ESI ESI DS EN 25/09/2020 Electrical interlock
- Actuator locked when the solenoid is activated.
- The release is possible by switching off the power supply. Actuator Inserted and locked Inserted and unlocked Not inserted Solenoid Supplied Not supplied - Type Actuation ESI31 1NC actuator 11 12 11 12 11 12 1NC solenoid 21 22 21 22 21 22 1NO solenoid 33 34 33 34 33 34 1NC solenoid 41 42 41 42 41 42 ESI22 1NO actuator 13 14 13 14 13 14 1NC solenoid 21 22 21 22 21 22 1NO solenoid 33 34 33 34 33 34 1NC solenoid 41 42 41 42 41 42 ESI13 1NO actuator 13 14 13 14 13 14 1NC solenoid 21 22 21 22 21 22 1NC solenoid 31 32 31 32 31 32 1NC actuator 41 42 41 42 41 42 Attention: in case of lack of voltage the device allows the immediate access to the protected area
Carlo Gavazzi Automation S.p.A. ESI ESI DS EN 25/09/2020 Mechanical interlock
- Actuator locked when the solenoid is not activated.
- The release is possible by supplying the device. Actuator Inserted and locked Inserted and unlocked Not inserted Solenoid Not supplied Supplied - Type Actuation ESI31 1NC actuator 11 12 11 12 11 12 1NC solenoid 21 22 21 22 21 22 1NO solenoid 33 34 33 34 33 34 1NC solenoid 41 42 41 42 41 42 ESI22 1NO actuator 13 14 13 14 13 14 1NC solenoid 21 22 21 22 21 22 1NO solenoid 33 34 33 34 33 34 1NC solenoid 41 42 41 42 41 42 ESI13 1NO actuator 13 14 13 14 13 14 1NC solenoid 21 22 21 22 21 22 1NC solenoid 31 32 31 32 31 32 1NC actuator 41 42 41 42 41 42 COPYRIGHT ©2020 Content subject to change. Download the PDF: www.gavazziautomation.com