Product Description: ECEP128-0 Digital Output Module

1. General Description

2. Key Features

• High-density 8-channel digital output configuration for centralized load control.

• Optoelectronic galvanic isolation between internal logic and field output circuits.

• Compatible with standard 24 VDC industrial loads, supporting common PNP output mode.

• Built-in overcurrent, short-circuit and thermal protection per channel.

• Individual LED status indicators for each output channel for straightforward on-site diagnosis.

• Fixed response delay ensures anti-interference capability in complex electromagnetic environment.

• Compact single-slot form factor for MULTI / MIDI system racks, saving cabinet installation space.

• Robust circuit design with wide temperature adaptability for continuous long-term operation.

• Fully compatible with B&R legacy MULTI / MIDI CPU and backplane system.

• CE certified to meet industrial EMC and safety requirements.

3. Technical Specifications

Electrical Parameters

• Number of Output Channels: 8

• Output Type: PNP transistor output

• Rated Operating Voltage: 24 VDC

• Operating Voltage Range: 18 VDC ~ 30 VDC

• Rated Load Current per Channel: 0.5 A

• Maximum Inrush Current per Channel: 1 A

• Leakage Current at Off State: ≤ 100 μA

• On-state Voltage Drop: ≤ 1.0 V

• Output Switching Delay: ≤ 5 ms

• Isolation Method: Optocoupler galvanic isolation

• Isolation Voltage: 500 VDC between channel and backplane

• Protection: Per-channel short-circuit protection, overload protection, thermal shutdown

Mechanical Data

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

• Mounting: Plug-in installation onto system backplane

• Connection Type: Front screw terminal block

• Wire Gauge: 0.5 ~ 1.5 mm²

• Protection Degree: IP20 (front panel)

• Weight: Approx. 0.25 kg

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

4. Typical Applications

• Factory automation machinery: controlling solenoid valves, air cylinders and actuators.

• Packaging machinery: drive signals for sealing units, feeding mechanisms and indicator lights.

• Material handling and conveyor systems: logic output for limit execution and system interlock.

• Process automation: remote control of auxiliary relays, contactors and alarm devices.

• Textile, printing and woodworking machinery: general discrete load control.

• Legacy B&R system maintenance and equipment renovation replacement.

5. Installation and Integration

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

• Field load wiring via front screw terminal block, simple and reliable.

• Each channel equipped with status LED to display output ON/OFF state in real time.

• Automatically recognized by B&R system software without complex parameter configuration.

• Support hot swapping in compliant system configurations for convenient maintenance.

6. Ordering Information

• Part Number: ECEP128-0

• Product Scope: 8-channel 24VDC PNP digital output module

• Applicable System: B&R MULTI / MIDI series control system

• Warranty: Standard manufacturer one-year warranty