Turck BL20-4DI-24VDC-P Electronic Digital Input Module

Description:

The TURCK BL20-4DI-24VDC-P digital input module is used in BL20 distributed I/O and PLC automation systems. Commonly installed in packaging machinery, conveyor systems, assembly equipment, material handling systems, and manufacturing lines requiring 24 VDC PNP digital input acquisition from field devices. Maintenance teams, OEMs, and system integrators use this part for control system expansion, I/O replacement, machine retrofits, and automation upgrades.

Applications:

The TURCK BL20-4DI-24VDC-P provides four PNP digital input channels for monitoring sensors, pushbuttons, limit switches, photoelectric sensors, and proximity switches within the BL20 modular I/O platform. It is commonly used in packaging machines, automated assembly systems, conveyor controls, process automation equipment, and machine tools where reliable digital input signal acquisition is required. The modular BL20 architecture allows the input module to integrate with multiple industrial fieldbus systems while simplifying future expansion and maintenance.

Technical Specifications:

• Brand: TURCK
• Part Number: BL20-4DI-24VDC-P
• Product Type: Digital Input Module
• Manufacturer Part Number (MPN): 6827012
• Series: BL20 I/O System
• Function: Digital input signal acquisition
• Number Of Channels: 4 digital inputs
• Input Type: PNP
• Signal Type: Digital input
• Operating Voltage: 24 VDC
• Input Voltage Range: 18-30 VDC
• High Signal Voltage: 11-30 VDC
• Low Signal Voltage: -30 to +5 VDC
• High Signal Current: 2-5 mA
• Low Signal Current: -1 to 1.5 mA
• Input Delay: <0.3 ms
• Electrical Isolation: Galvanically isolated from field level via optocouplers
• Connection Technology: Screw terminal or cage clamp terminal
• Mounting Type: Plug-in module for BL20 base system
• Protection Rating: IP20
• Operating Temperature: 0°C to +55°C
• Weight: Approximately 35 g
• Diagnostic Features: Channel status and diagnostic LEDs
• Approvals: CE, cULus, Class I Division 2, Zone 2
• Application: Digital input acquisition for industrial automation and machine control systems
• Special Features: Fieldbus-independent operation, modular architecture, hot-swappable design, integrated diagnostics.

Common Replacements:

• TURCK BL20-E-16DI-24VDC-P
• TURCK BL67-4DI-P
• TURCK TBEN-L1-8DIP