Light-Grid Pulse Driver with Modulation Input

Features

• Adjustable LED pulse operation, set range of 0.4 to 1.2A

• Short light pulses down to 300 ns

• LED efficiency degradation compensated

• Control logic with 2-step shift register

• Thermal shutdown and power-down reset

• Data output buffer optimized for open lines

• Single 5 V supply

• Suited for high-risk applications according to IEC 61496-1

Applications

• Light curtain LED driver

• Light barrier LED driver

• Electro-sensitive protective equipment (ESPE)

Light-Grid Pulse Driver for Light Curtains, Light Barriers and Electro-Sensitive Protective Equipment

Applications

• Adjustable LED pulse operation

• Short light pulses down to 1 us

• LED efficiency degradation compensated

• Thermal shutdown and power-down reset

• Data output buffer with built-in 120 Ohm wave impedance adaptation

• Single 5 V supply

• Suited for high-risk applications according to IEC 61496-1

Features

• Light curtain LED driver

• Light barrier LED driver

• Electro-sensitive protective equipment (ESPE)

8-Channel Light-Grid Pulse Driver

Features

• 1 to 8 channels (hardware programmable)

• Adjustable LED pulse operation, set range of 0.4 to 1.8A

• Short light pulses down to 0.5 us with steep edges

• LED efficiency degradation compensated by positive current temperature coefficient

• Control logic with 3-step shift register

• LED short-circuit recognition

• Diagnostic message generated with LED interrupts

• Thermal shutdown and power-down reset

• Output buffer with 120 Ohm line adaptation

• Single 4.75 to 6 V supply

• Suited for high-risk applications according to IEC 61496-1

Applications

• Light curtain LED driver

• Light barrier LED driver

• Electro-sensitive protective equipment (ESPE)

8-Channel Light-Grid Pulse Driver with Modulation Input

Features

• 1 to 8 channels (hardware programmable)

• Adjustable LED pulse operation, set range of 0.4 to 1.8A

• Short light pulses down to 0.3 us with steep edges

• LED efficiency degradation compensated by positive current temperature coefficient

• Control logic with 3-step shift register

• LED short-circuit recognition

• Diagnostic message generated with LED interrupts

• Thermal shutdown and power-down reset

• Output buffer with 120 Ohm line adaptation

• Single 4.75 to 6 V supply

• Suited for high-risk applications according to IEC 61496-1

  
  

Applications

• Light curtain LED driver

• Light barrier LED driver

• Electro-sensitive protective equipment (ESPE)

Light-Grid Pulse Receiver with Integrated Photodiode

Features

• Photoelectric amplifier with integrated photodiode

• Built-in bandpass filter with switchable centre frequency

• Differential current output with open-drain low-side drivers

• Recovery time below 10 μs even for excessive photocurrents within the input range

• Single 5 V supply

Applications

• Light curtain LED driver

• Light barrier LED driver

• Electro-sensitive protective equipment (ESPE)

2-Channel Light-Grid Pulse Receiver

Features

• Dual photo diode inputs with photoelectric amplifier

• Built-in bandpass filter with 300 kHz center frequency

• Differential current-signal output with open drain low-side drivers

• Recovery time below 10 μs for excessive photocurrents of up to 1.8 mA

• Shift register and control logic

• Single 5 V supply

• FMEA driven circuit and layout topology

• Suited for high-risk applications according to IEC 61496-1

Applications

• Light curtain LED driver

• Light barrier LED driver

• Electro-sensitive protective equipment (ESPE)

Light-Grid Pulse Receiver for Light Curtains, Light Barriers and Electro-Sensitive Protective Equipment

Features

• Photoelectric amplifier adapted to standard photodiodes

• Built-in band-pass filter with 300 kHz center frequency

• Differential current-signal output

• Wide dynamic range of 100 nA to 1.5 mA for pulsed photocurrents

• Three stage shift register and control logic

• Suited for high-risk applications according to IEC 61496-1

Applications

• Light curtain LED driver

• Light barrier LED driver

• Electro-sensitive protective equipment (ESPE)

Light-Grid Pulse Receiver

Features

• Photoelectric amplifier with integrated bandpass

• Processing of light pulses up to 1MHz

• Differential current-signal output

• Wide dynamic range of 0.3 μA to 1.8mA for pulsed photo currents

• Fast recovery time of 0.5 μs within dynamic range

• 2-step shift register and control logic

Applications

• Light curtain LED driver

• Light barrier LED driver

• Electro-sensitive protective equipment (ESPE)