CLT75061CX

FUNCTIONAL DESCRIPTION

The CLTx-4 is a quadruple input digital termination device designed for 24 V DC automation applications. It achieves the front-end circuitry of a digital input module (I/O) in industrial automation, and drives an isolating opto- coupler.

FEATURES

■ 4 channels topology
■ Wide range input DC Voltage:
■ VI = - 0.3 to 30V with RI = 0
■ VI = - 30 to 35V with RI = 1.2kΩ
■ Low side configuration with common ground
■ Current limiter:
■ IGEN = 3mA
■ Input current limiter activation voltage < 5V
■ Temperature compensated operation
■ Opto-coupler drive:
■ No coupler activation below 1.5 mA input current
■ Input protection (RI = 1.2KΩ):
■ IEC61000-4-2 electrostatic discharge ESD, Class 3
❏ In contact, ±6kV; in air, ±8kV
❏ Level B: temporary disruption; no change of opto-coupler state
■ IEC61000-4-5 voltage surge, Class 3
❏ ± 1000V with 42Ω serial resistor in differential mode
❏ Level B: temporary disruption
■ IEC61000-4-4 transient burst immunity
❏ ± 4kV peak voltage; 5kHz repetitive rate
❏ Level A: fully functional
■ Operating ambient temperature: - 25 to 85°C

BENEFITS

■ Reduced overall dissipation
■ Compact with high integration
■ Enables input to meet type 1 characteristic of IEC61131-2 standard
■ Compatible operation with 2 and 3 wires proximity sensor according EN60947-5-2 standard
■ Insensitive to the on state sensor impedance
■ Surface Mount Package for highly automated assembly
■ Enhanced functional reliability

APPLICATIONS

■ Industrial Automation
■ Programmable Logic Controller
■ Communication field bus nodes
■ Peripheral Input / Output modules
■ Machine tool interface