Product Description: ECNT43-0 Counter Module

1. General Description

2. Key Features

• Integrated high-speed counting channel, supporting differential and single-ended pulse input.

• Compatible with incremental encoder A/B quadrature signal and direction + clock pulse mode.

• Max high-speed counting frequency up to 100 kHz, suitable for high dynamic motion detection.

• Optoelectronic galvanic isolation between field signals and internal system bus for strong anti-interference ability.

• Built-in hardware latch, comparison output and reset function for precise positioning control.

• On-board channel status LED indicators for real-time working state and fault diagnosis.

• Single-slot compact structure, plug-and-play for MULTI / MIDI backplane rack.

• Wide operating temperature range, suitable for continuous operation in industrial cabinet environments.

• Per-channel overvoltage and reverse polarity protection to prevent module damage.

• Fully compatible with B&R legacy MULTI / MIDI CPU and I/O system; CE certified.

3. Technical Specifications

Counting & Signal Parameters

• Number of Counter Channels: 1 independent high-speed channel

• Counting Modes: Quadrature AB phase, Up/Down pulse, Clock + Direction

• Max Counting Frequency: 100 kHz

• Counting Range: 32-bit incremental count value

• Input Signal Type: 24 VDC single-ended / differential encoder signal

• Input High Level: ≥ 15 VDC

• Input Low Level: ≤ 5 VDC

• Isolation Type: Optocoupler galvanic isolation

• Isolation Voltage: 500 VDC (field side to system bus)

• Function: Hardware latch, preset comparison, external reset

Electrical Data

• Supply Power: Powered by MULTI / MIDI system backplane

• Operating Voltage: 24 VDC field signal standard

• Power Consumption: Low power consumption, suitable for long-term continuous operation

• Protection: Reverse polarity protection, overvoltage protection, transient surge suppression

Mechanical Data

• Form Factor: Single slot module for MULTI / MIDI rack

• Mounting: Plug-in installation on system backplane

• Connection: Front screw terminal block

• Protection Rating: IP20 (front panel)

• Weight: Approx. 0.25 kg

Environmental Data

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

• Storage Temperature: -40°C ~ +85°C

• Relative Humidity: 5% ~ 95%, non-condensing

• Vibration Standard: IEC 60068-2-6

• Shock Standard: IEC 60068-2-27

• Pollution Degree: 2

• Overvoltage Category: II

4. Typical Applications

• Machine tools: spindle speed detection, linear axis positioning and travel counting.

• Packaging machinery: fixed-length feeding, material length measurement and cutting control.

• Printing and paper industry: web speed synchronization and roller pulse counting.

• Textile machinery: winding length counting and rotating speed monitoring.

• Conveyor and logistics equipment: material pulse counting and position tracking.

• Legacy B&R system renovation, replacement and maintenance of old high-speed counter modules.

5. Configuration & Integration

• Direct plug-in into standard B&R MULTI / MIDI rack backplane.

• Field encoder and pulse sensors connected via front screw terminals.

• Module status LED directly displays counting pulse input and running status.

• Configurable counting mode and comparison parameters via B&R system programming software.

• Supports system unified address management, easy program debugging and maintenance.

• Compatible with hot-swap function in supported system racks.

6. Ordering Information

• Part Number: ECNT43-0

• Product Name: High-speed Counter Module

• Applicable System: B&R MULTI / MIDI Series

• Warranty: Standard 1-year manufacturer warranty