Product Description: ECE161-0 (E161) Digital Input Module

1. General Description

2. Key Features

• 16 Universal Digital Input Channels: Sixteen individually configurable input channels compatible with 24 VDC or 24 VAC signals.

• Flexible Sink/Source Wiring: Supports both NPN (sink) and PNP (source) input wiring configurations.

• Optoelectronic Galvanic Isolation: Full isolation between input channels and the backplane for enhanced system safety and noise immunity.

• Precise Input Filtering: Defined input switching thresholds and response times for stable signal detection.

• Wide AC Frequency Range: Accepts AC voltages with frequencies from 47 Hz to 63 Hz.

• LED Status Indicators: Individual front-panel LEDs for each channel to display real-time input ON/OFF status.

• Compact Rack-Mount Design: Single-slot module for standard MULTI/MIDI racks, optimizing cabinet space.

• Industrial Durability: Designed for continuous operation in harsh conditions with a wide temperature tolerance.

• Easy Diagnostics: Immediate visual feedback via channel LEDs simplifies troubleshooting and maintenance.

• Certifications: CE certified for compliance with European EMC and safety standards.

3. Technical Specifications

Input & Performance Data

• Number of Inputs: 16 channels

• Input Type: Universal, sinking/sourcing (NPN/PNP)

• Input Voltage: 24 VDC / 24 VAC (nominal)

• AC Input Frequency: 47 – 63 Hz

• Input Current (24 VDC): Approx. 12 mA per channel

• Input Current (24 VAC): Approx. 10 mA per channel

• Input Resistance: Approx. 2.2 kΩ

• Switching Threshold (0 → 1): Min. 14 VDC / 16 VAC (ON state)

• Switching Threshold (1 → 0): Max. 9 VDC / VAC (OFF state)

• Switching Delay (0 → 1): Approx. 10 ms

• Switching Delay (1 → 0): Approx. 20 ms

• Isolation Voltage: 500 VDC (input to backplane)

• Isolation Type: Optocoupler

Electrical Data

• Power Supply: From system backplane (+8 VDC)

• Power Consumption: Approx. 0.2 W

• Overvoltage Protection: Integrated transient suppression

Mechanical Data

• Form Factor: Single slot for MULTI/MIDI rack

• Dimensions (W x H x D): Approx. 35 mm x 100 mm x 229 mm

• Weight: Approx. 0.2 kg

• Mounting: Direct insertion into B&R MULTI/MIDI backplane

• Connection: Screw terminal block (0.5 – 1.5 mm²)

• Protection Rating: IP20 (front)

Environmental Data

• Operating Temperature: -25°C to +70°C

• Storage Temperature: -40°C to +85°C

• Relative Humidity: 5 – 95% RH, non-condensing

• Vibration Resistance: IEC 60068-2-6

• Shock Resistance: IEC 60068-2-27

• Pollution Degree: 2

Safety & Certifications

• EMC Compliance: EN 61000-6-2, EN 61000-6-4

• Safety Standards: EN 61131-2

• Certifications: CE

4. Typical Applications

• Factory Automation: Limit switches, proximity sensors, photoelectric sensors, pushbuttons, and selector switches.

• Material Handling: Conveyor line position detection, palletizing sensors.

• Packaging Machinery: Film presence, end-of-travel, and count sensors.

• Specialty Machinery: Printing, textile, and semiconductor processing equipment.

• Process Control: Monitoring of valve positions, level switches, and alarm contacts.

• Legacy System Maintenance: Direct replacement for existing E161 modules in older installations.

• Industrial Retrofits: Updating sensor input systems in mature production lines.

5. Configuration & Integration

• System Compatibility: Fully compatible with all B&R MULTI and MIDI series CPU and backplane modules.

• Status Indicators:

  • Channel LEDs (Green): Illuminates when the corresponding input channel is in the ON (active) state.

• Wiring: Field devices are connected via the front-mounted screw terminal block.

• Hot-Swap Capability: Supports safe replacement in compatible, live systems (consult system documentation).

• Software Integration: Recognized automatically by B&R system configuration tools; no additional software required.

6. Ordering Information

• Base Part Number: ECE161-0

• Alternative Part Number: E161

• Standard Package: 1 x ECE161-0 Digital Input Module

• Warranty: Standard 1-year manufacturer warranty