IM21-14EX-CDTRI | Turck Intrinsically Safe Digital Signal Isolator Module

Turck · Industrial Automation & Electrical

Description  The Turck IM21-14EX-CDTRI is an intrinsically safe signal isolator designed for the safe transmission of digital signals between hazardous and non-hazardous areas. It provides reliable isolation and signal conversion for NAMUR and mechanical contacts in process automation systems. This module is commonly used in safety-critical industrial environments where explosion protection and signal integrity are required.     Technical Specifications  Condition New/Never Used Surplus Brand Turck Category Signal Interface & Isolation Part Number IM21-14EX-CDTRI Subcategory Intrinsically Safe Signal Isolator Function Digital signal isolation and transfer Number of Channels 1 Input Type NAMUR sensor or dry contact Hazardous Area Rating Zone 0 / Zone 20 Output Type Transistor output Supply Voltage 20–30 V DC Isolation Voltage 2.5 kV (input/output/supply) Switching Frequency Up to 1 kHz Response Time ≤ 1 ms Mounting Type DIN-rail mounting Operating Temperature −25 °C to +70 °C Housing Width 12.5 mm Weight 250 g     Information About IM21-14EX-CDTRI The IM21-14EX-CDTRI is part of Turck’s IM21 series of slim-line isolation and interface modules engineered for hazardous area applications. It features a compact DIN-rail housing with reinforced galvanic isolation between input, output, and power supply circuits. The module supports intrinsically safe input signals from Zone 0/20 and transmits them safely to control systems in safe areas. Its design ensures compliance with international explosion protection standards while maintaining stable signal processing in continuous industrial operation. Key Features: Intrinsically Safe Inputs: Designed for connection to NAMUR sensors or dry contacts in hazardous areas. Galvanic Isolation: Provides safe electrical separation between input, output, and power supply circuits. Single-Channel Operation: Processes one digital signal with reliable state transfer. Slim DIN-Rail Design: Compact housing allows high channel density in control cabinets. Wide Compatibility: Supports NAMUR sensors and mechanical contact inputs. Fast Signal Response: Ensures accurate switching and minimal delay in signal transmission. Explosion Protection Compliance: Suitable for Zone 0/20 applications in process industries. The IM21-14EX-CDTRI delivers the reliability and precision required for safe digital signal isolation in hazardous area automation systems.

Brand: Turck · Category: Industrial Automation & Electrical

Key features

• Intrinsically Safe Inputs: Designed for connection to NAMUR sensors or dry contacts in hazardous areas.
• Galvanic Isolation: Provides safe electrical separation between input, output, and power supply circuits.
• Single-Channel Operation: Processes one digital signal with reliable state transfer.
• Slim DIN-Rail Design: Compact housing allows high channel density in control cabinets.
• Wide Compatibility: Supports NAMUR sensors and mechanical contact inputs.
• Fast Signal Response: Ensures accurate switching and minimal delay in signal transmission.
• Explosion Protection Compliance: Suitable for Zone 0/20 applications in process industries.

Specifications

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