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Safety Integrated

Safety Integrated

Not a safety relay added at the end of the build because an inspector asked for one. Where a safe reduced speed lets an operator work without stopping the machine, safety stops being the thing people bypass.

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Safety Integrated

Fail-Safe Controllers & F-I/O

F-CPUs run the safety programme and the standard programme in one controller, with the safety portion protected and separately validated. F-I/O sits on the same ET 200SP rail and communicates over PROFIsafe on the existing PROFINET network.

PROFIsafe One controller Same network
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Product Article number Product Type Notes Quantity Add to enquiry
CPU 1511F-1 PN fail-safe 6ES7511-1FK02-0AB0 Fail-safe CPU 150 KB program memory 1 × PROFINET
CPU 1513F-1 PN fail-safe 6ES7513-1FL02-0AB0 Fail-safe CPU 300 KB program memory 1 × PROFINET
CPU 1516F-3 PN/DP fail-safe 6ES7516-3FN02-0AB0 Fail-safe CPU 1 MB program memory PROFINET + PROFIBUS
F-DI 8 × 24 V DC HF 6ES7136-6BA00-0CA0 Fail-safe digital input 8 F-DI ET 200SP
F-DQ 4 × 24 V DC / 2 A 6ES7136-6DB00-0CA0 Fail-safe digital output 4 F-DQ ET 200SP
STEP 7 Safety Advanced licence On enquiry Engineering software Fail-safe programming TIA Portal option
Article numbers and specifications are indicative and confirmed at quotation. Need a variant not listed? Ask us — we supply the full Siemens range.
Safety Integrated

SIRIUS 3SK Safety Relays

Hardwired safety relays for machines where a full safety controller is not warranted — a single emergency stop circuit, a guard door, a two-hand control. Expandable output modules cover multi-zone stopping without moving to a programmable system.

E-stop and guard circuits Expandable outputs
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Product Article number Product Function Notes Quantity Add to enquiry
3SK1 safety relay, basic 3SK1111-1AB30 Basic safety relay E-stop / guard door 24 V DC
3SK1 safety relay, relay outputs 3SK1112-2BB40 Safety relay Relay enabling circuits 24 V DC
3SK1 output expansion module On enquiry Expansion Additional enabling circuits Multi-zone stopping
3SK2 configurable safety relay On enquiry Configurable Multiple functions in one device Software configured
3RK3 Modular Safety System On enquiry Modular safety controller Between relay and F-CPU Configured, not programmed
Article numbers and specifications are indicative and confirmed at quotation. Need a variant not listed? Ask us — we supply the full Siemens range.
Safety Integrated

Safety Switches, Sensors & Drive Safety

Interlock and guard-locking switches, safety position switches and optoelectronic protective devices, plus safety implemented in the drive itself — Safely Limited Speed lets an operator work at a reduced monitored speed for setup instead of stopping the machine entirely.

Guard locking Light curtains STO / SS1 / SLS
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Product Article number Product Function Notes Quantity Add to enquiry
3SE5 safety position switch On enquiry Mechanical position switch Guard position sensing Positive opening
3SE5 guard-locking switch On enquiry Interlock with locking Run-down time protection Solenoid locking
Safety light curtain On enquiry Optoelectronic protection Finger / hand / body resolution Access protection
3SU E-stop with monitoring On enquiry Emergency stop station 22 mm mushroom Positive opening contacts
SINAMICS Safety Integrated licence On enquiry Drive safety functions STO, SS1, SLS, SDI, SLP Basic or extended
Article numbers and specifications are indicative and confirmed at quotation. Need a variant not listed? Ask us — we supply the full Siemens range.
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