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.

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

• 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...

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

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

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

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

■ 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.