Schleicher safety relays meet DIN ISO 13849 and DIN EN 61062 standards. In addition they fulfill the technical requirements for relay technology with positive driven contacts in accordance with EN 50205. All signals from safety sensors, emergency stop buttons and safety interlocks are safely monitored and comply with the machinery directive 2006/42/EC.

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EGRESS AND EXITS SAFETY RELAYS

Automatic
latching/unlatching, operator interaction, safety mats

INDUSTRIAL EQUIPMENT SAFETY RELAYS

Stop/start, emergency switches, 2-hand controls, light curtain and laser safety stops

From power plants and factories to manufacturing, transportation and logistics, reliable safety systems are required. Choose SchleicherUSA for proven performance in your safety chain.

SchleicherUSA safety relays can be specified by the following characteristics
• Types of sensors monitored
• Safety function
• Safety category
• Stop category
• Quantity of safety contacts
• Start function

Download SafetyRelays reference chart
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For additional applications and details, see Building the Safety Chain
Read more about SchleicherUSA, including Timer Relays, Monitor Relays and Automation.
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Prevent injuries with safety relays

Even Safe Design doesn’t eliminate all hazards, so technical safeguarding is needed. The goal of the Safety Chain is to prevent persons from coming into contact with hazards, or to reduce hazards to a safe state before a person can come into contact with them.

Typical Hazards include shearing, cutting, catching, crushing and other impact injuries, as well as electrocution, burns, and exposure to dangerous substances.
Risk Assessment sensors in industrial applications monitor machine limits such as Speed, Load and Temperature. Performance outside of proscribed settings or limits activates the Safety Chain.
The Safety Chain consists of Input>Logic>Output components, in other words, Safeguard > Safety Relay > Contactor, to cut power or safely power down in a response to a given activity, malfunction or change.

Safeguarding Components
Safety Sensors, Actuators or Switches are active or passive and include Emergency Stop Switch, Two-hand Control Station, Conditional enabling switch, Contact Fence or Gate, Light Curtain (senses break by hand or clothing), Step-on Safety Mat (detects entry to hazardous area), as well as Magnetic switch, Solenoid interlock and Holdup detection.

Safety relays in packaging machine

Signals from safeguarding components (sensors) are typically monitored by safety relays or safety PLCs (programmable logic control).
Various relay functions are required for various types of faults.

Custom safety chain in factory

SchleicherUSA safety relays can be specified by the following characteristics
• Types of sensors monitored
• Safety function
• Safety category
• Stop category
• Quantity of safety contacts
• Start function
Download SafetyRelays reference chart

Safety Circuits
Sensor input Categories B, 1, 2: Single-channel actuation using 1 switching element.
Category 2 circuits detect faults by periodic testing at suitable intervals. The safety function can be lost between the periodic tests.

Sensor input Category 3: Two-channel actuation without cross monitoring, using 2 switching elements.
Category 3 circuits ensure the safety function, in the presence of a single fault, for example by employing two (redundant) channels. Loss of the safety function can occur in the case of an accumulation of faults.

Sensor input Category 4: Two-channel actuation with cross monitoring, using 2 switching elements.
Category 4 circuits ensure that the safety function is always available even in the case of one or more faults, usually by employing both input and output redundancy, together with a feedback loop for continuous monitoring of the outputs.

Plan your Safety Chain with SchleicherUSA Safety Relays and help from our experts.
Call 800-321-9539

Visit the SchleicherUSA website
See Safety Relays and choose datasheets for download
Contact us for assistance
Download the Schleicher Automation and Safety Soluctions product overview

A division of Pelco Component Technologies
Across the US and around the world, OEMs, engineers and product designers choose components from Pelco Component Technologies to control electricity and make things happen at the right time. We call it Putting Power to Work.

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SchleicherUSA Relay Technology

Choose Schleicher safety, timing and measurement components for machinery and systems.  Get sophisticated solutions in convenient and compact DIN rail type housings.

Additional advantages:

• Committed after-sales service
• Active life-cycle management
• Adjustments, expansions and alterations at any time
• Guaranteed service life of more than 25 years

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Safety Relays

To ensure maximum protection for operators and machines, safety relays must be easy to use and very reliable. High quality SchleicherUSA safety relays meet DIN ISO 13849 and DIN EN 61062 standards. In addition they fulfill the technical requirements for relay technology with positive driven contacts in accordance with EN 50205.

Applications include:

• Emergency stop
• Safety gate
• Safety mats, strips, edges, bumpers
• Light grids, inductive sensors
• Controlled shutdown
• Access delay
• Type III C two-handed monitoring
• Contact output extension

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Timer Relays and Switching Devices

Timer relays and switching devices are intermediaries between the intelligent logic level of the computer or other control devices and the machines or systems doing the work. Relays and switches provide high-performance isolation between the low-voltage range of the intelligent logic, and the high power consumption of the machine operation.
SchleicherUSA supplies a wide range of timer and switching relays with various features and functions, ensuring precise component selection to meet the requirements of your application.

Features include:

• Multifunction, Single function, Multi-range, Single-range and Fixed time
• On-delay, Off-delay, On-delay and Off-delay, wiper controls

Relay functions include:

• Impulse generator
• Blinker relay
• Relay for a star-delta/wye-delta switch
• Pulse counter
• Coupling relays
• Latching relays

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Measurement Relays and Monitoring Devices

Rapid-response measuring and monitoring devices continuously review and evaluate all electrical and physical states. These components facilitate quick and accurate response in the event of an error. Proactive switch-off of the affected part of the system prevents damage to other unit components.
SchleicherUSA offers measurement and monitoring relays for all potential configurations.

Current and voltage monitor functions:

• Detection of low or excess voltages
• Detection of low or excess currents

Phase Monitor functions:

• Phase sequence and phase failure monitoring
• Detection of incorrect phase sequence
• Detection of dangerous phase voltage imbalance
• Detection of voltage feedback

Safety and Protective Monitor functions:

• Protection of people and machines
• Immediate interruption of the energy supply
• Monitoring of two-hand applications
• Monitoring of safety guards

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SchleicherUSA website    Contact Schleicher   Call 800-321-9539

SchleicherUSA Automation

Welcome to advanced open system machine automation! Schleicher provides powerful modular control systems for all requirements of modern machine manufacturing.
Open systems allow individual functions to be realized for high-performance machines, with faster and simpler connections between networks or various components. SchleicherUSA automation incorporates the latest CNC and PLC technologies and uses EtherCAT®, Sercos® and the newest Windows variants, among others.
Schleicher systems are maintenance-free, robust and flexible. Installations are tailored to individual customers and programmed for long life and simple operation.

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Controls

Schleicher XCx automation systems and components provide a modular structure for application-adapted design. From an entry-level rack-based control system, expansion modules and racks, and additional controls can handle up to 128 modules on a maximum of 8 racks with full system extension over 4000 I/O points.

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I/O Systems

With increases in plant complexity, peripheral connection via fieldbus has become standard in most automated infrastructures. The “RIO” I/O system from SchleicherUSA is equipped with comprehensive modules that pick up, route and output the necessary process-specific signal mix..

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Human Machine Interface

The ProNumeric OP50 is an optimized HMI device employing the Sercos III and EtherCat realtime field bus systems, combined in a single hand-held control. At last a single unit connects to the controls of different manufacturers.
For more details see Whitepaper Simplified GUI and Precision Controls for Complex CNC Manufacturing

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Software

SIM:ONE SIMULATION SOFTWARE Users can test and analyze CNC programs and machine movement sequences on their own PC with Sim:one software. Potential risks can be detected and eliminated at an early stage, and productivity of the machine can be maximized.
SCHLEICHER GRED Schleicher GRED is a compaction software for production or logistics systems that process large quantities of real-time data. GRED reduces the size of the retained data and therefore needs less physical memory capacity; NV-RAM, hard disk and RAM share storage and access while GRED runs in the background without impairing the application.

Read about Schleicher’s automated CNC control system for MIKKROMAT

SchleicherUSA website    Contact Schleicher   Call 800-321-9539

A division of Pelco Component Technologies

Across the US and around the world, OEMs, engineers and product designers choose components from Pelco Component Technologies to control electricity and make things happen at the right time. We call it Putting Power to Work.

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Call 855-227-3526
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The post Safety relays, monitors, switches and automation controls appeared first on Pelco Pulse.