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Shenzhen ESPE technology Co., LTD
level protection relay ESR

level protection relay ESR

Product catalog summary

Product Introduction
The ESR series safety relay module is designed to meet the PLe level of ISO 13849-1, making it suitable for monitoring various signals such as emergency stops, safety door switches, safety light curtains, and two-hand buttons in industrial environments with high safety requirements. It supports 2NO+1NC and 3NO+1NC outputs and offers options for manual and automatic reset.

Product Features
- Designed according to ISO13849-1 (category 3, PLe).
- Relay output options: 2NO or 3NO, and 1 NC auxiliary contact.
- Optional manual and automatic reset.
- Self-diagnosis and redundant circuit design.
- Input overvoltage and power supply reverse polarity protection.
- Internal circuit with cross-diagnose monitoring.
- Detectable terminal for easy maintenance.
- Standard 35mm width guide mounting design.
- Visualized status indicator for easy diagnosis.

Model Selection
- Dual channel NPN or PNP input options.
- Safety door switch and emergency stop monitoring.
- Output methods include 2 normally open and 1 normally closed, or 3 normally open and 1 normally closed contacts.

Product Parameters
- Safety level: ISO 13849-1 (Category 4/Pl e).
- Power supply: DC24V±10%.
- Consumption: <3W.
- Response time: <20ms.
- Suction buffer time: <100ms.
- Power-on restart time: <1s.
- Protective circuit includes input power overvoltage protection and anti-reverse protection.
- Safety input synchronization.
- Mechanical lifetime: ≥10 million times.
- Electric lifetime: ≥10 times (1NO: 5A250VAC, resistive load, 1s on 9s off).

Environmental Specifications
- Vibration resistance: Frequency 10Hz~55Hz, amplitude 0.35±0.05mm, X, Y, and Z direction 20 times each.
- Impact resistance: Acceleration 10g, pulse duration 16ms, X, Y, and Z direction 1000 times each.
- Working temperature: -25~+60℃.
- Storage temperature: -40~+85℃.
- Protection level: Shell/terminal protection IP40/IP20.

Installation and Structure
- Product size: 117×100.6×22.5mm.
- Installation: 35mm DIN rail mounting.
- Wire size and hardware dimensions provided.

Panel Function
- Power indicator: ON when supply power.
- Channel indicators for relay status.
- Terminals for inputting power and monitoring signals.
- Options for automatic and manual reset connections.

Wiring Diagrams
Diagrams provided for various configurations including safety light curtains and safety door switches, detailing connections for manual and automatic reset options.

Product Installation
- Ensure power is cut off before installation to avoid dangerous voltages.
- Follow wiring diagrams for correct connections.
- Verify all connections and secure the relay to the mounting rail before powering on.
- Power must be cut off before disassembling the safety module.

Catalog excerpts

The ESR series safety relay module meet PLe level of ISO 13849-1, is suitable for monitor of various signal (include emergency stop, safety door switch, safety light curtain and two hand button) in industrial sites with high safety requirements. Support 2NO+1NC and 3NO+1NC output, can choose to monitor manual reset and automatic reset. Input overvoltage protection. Power supply reverse polarity protection. Visualized status indicator for easy diagnoses. Detectable terminal for easy maintenance. Standard 35 mm width guide mounting design. • Design according to ISO13849-1 (category 3, Ple). • Relay output: 2NO or 3NO, and 1 NC auxiliary contact . • Optional manual reset and automatic reset. • Internal circuit with cross-diagnose monitoring. • Self-diagnose and redundant circuit design.

Open the catalog to page 1

Modelselection Output method 2A1B: 2 normally open, 1 normally close 3A1B: 3 normally open, 1 normally close Productseries Inputtype N: Dual channel NPN input P: Dual channel PNP input S: dual channel safety door switch, emergency stop

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• Power: power indictor, ON when supply power. • CH1: Channel 1 indicate that relay 1 is on when work, off when release. • CH2: Channel 2 indicates that relay 2 is on when work, off when release. • V+/1-: terminal for inputting power. • VCC/GND: terminal of power output. • PE: protective ground terminal. • S2: NPN/PNP input 2 terminal. • S33/S34: connect with S33, S34 for automatic reset. • S3/S35: connect with S33, S35 for manual reset. • 13/14, 23/24: terminal for 2 safety output (NO). • 31/32: terminal for 1 auxiliary output (NC). • Power: power indictor, ON when supply power. • CH1: Channel...

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POWER INPUT MANUAL RESET AUTO RESET CONTROL-LOGIC POWER OUTPUT ESPE www.espetech.com

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Brown Blue Control logic Blue Brown White Black Load Load *Foropticalsynchronizationlightcurtain,NOCPwire(orCPwireconnectwithspecific) *Manualreset/automaticreset(option) ESPE www.espetech.com

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Blue SafetyDoorSwitch White Black Brown Blue Blue Brown White Black ESPE www.espetech.com

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Automaticreset(monitoroutput) Manualreset(monitoroutput) Monitoredmanualreset(monitoroutput) ESPE www.espetech.com

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■ Cut off power of machine to ensure no dangerous voltage existing, except the lighting and spare sockets. • Product with 35 mm DIN rail for installation. • Connect wire according to the wiring diagram of the safety relay. • Before power on, please check if all cable rightly connected, and whether relay is fastened to the mounting rail. • Please cut off power before disassembling the safety module. • Loosen the screw or remove terminal.

Open the catalog to page 8

level protection relay ESR

level protection relay ESR

Catalog excerpts

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