Product Description: ECPE84-2 Analog Input Module

1. General Description

2. Key Features

• 8 Independent Analog Input Channels: High-density configuration for efficient multi-point signal monitoring.

• Extended Current Input Range: Supports 0 to 25 mA signals, offering enhanced flexibility and compatibility with a broader range of transmitters.

• Ultra-High 15-bit Resolution: Provides industry-leading precision for analog-to-digital conversion, enabling extremely accurate process variable measurement.

• Full Galvanic Isolation: Complete electrical isolation (500 VDC) between field inputs and the system backplane, maximizing noise immunity and system safety.

• Rapid Data Update: Fast conversion cycle (3.9 ms to 6.3 ms) for real-time process monitoring and control.

• Individual Channel LED Indicators: Front-panel LEDs for real-time status monitoring and quick fault diagnostics.

• Comprehensive Signal Protection: Built-in overcurrent, short-circuit, and reverse polarity protection for each channel.

• High Compatibility: Direct replacement for legacy PE84 modules, fully compatible with MULTI/MIDI backplanes.

• Industrial Robustness: Designed for operation in extreme temperature and vibration environments.

• CE Certified: Complies with stringent European standards for EMC and safety.

3. Technical Specifications

Analog Input Parameters

• Number of Input Channels: 8

• Input Signal Type: 0 to 25 mA DC current loop

• Resolution: 15 bits

• Maximum Input Current: Up to 70 mA (non-damaging)

• Isolation Voltage: 500 VDC (Field-side to System Backplane)

• Data Update Time: 3.9 ms to 6.3 ms (full channel scan)

• Common-Mode Rejection Ratio (CMRR): > 90 dB at 50/60 Hz

• Input Impedance: 50 Ω (typical for current inputs)

Electrical Data

• Power Supply: Backplane-powered (MULTI / MIDI system)

• Power Consumption: Approx. 1.0 W (typical)

• Input Protection: Overcurrent, short-circuit, and reverse polarity protection

Mechanical Data

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

• Mounting: Plug-in installation onto system backplane

• Connection: Front-facing screw terminal block

• Wire Gauge: 0.5 ~ 1.5 mm² (20–16 AWG)

• Dimensions (L x W x H): Approx. 216 mm x 140 mm x 25 mm

• Weight: Approx. 0.3 kg

• Protection Rating: IP20 (front panel)

Environmental Conditions

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

• Storage Temperature: -40 °C ~ +85 °C

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

• Vibration Resistance: Compliant with IEC 60068-2-6

• Shock Resistance: Compliant with IEC 60068-2-27

• Pollution Degree: 2

• Overvoltage Category: II

• Certifications: CE

4. Typical Applications

• Precision Process Control: High-accuracy measurement from pressure, flow, level, and temperature transmitters.

• Industrial Manufacturing: Monitoring sensors for precise positioning, tension, and quality control.

• Test & Measurement: High-resolution data acquisition from laboratory and industrial test equipment.

• Power & Energy: Monitoring analog signals in turbine control, generator, and substation automation.

• Oil & Gas: Reliable data collection from wellhead and pipeline instrumentation.

• Legacy System Modernization: Direct, high-performance replacement for aging PE84 modules.

• Water Treatment: Accurate monitoring of water quality sensors and analytical instruments.

5. Installation & Integration

• Installation: Plug directly into an available slot on a B&R MULTI or MIDI backplane. Mechanical keying prevents incorrect insertion.

• Wiring: Connect field transmitter signals to the clearly labeled front screw terminals.

• Status Monitoring: Utilize individual channel LEDs to verify signal presence and operational status.

• Configuration: Automatically recognized by B&R system software. Parameters are configured via standard PLC programming tools.

• Maintenance: Supports hot-swapping in compatible systems, allowing for replacement without full system shutdown.

6. Ordering Information

• Part Number: ECPE84-2

• Description: 8-channel, 0-25 mA, 15-bit Analog Input Module

• Alternative Part Number: PE84

• Compatible Systems: B&R MULTI / MIDI Series Control Systems

• Warranty: Standard manufacturer's warranty