B&R 8I74T400037.010-1 Servo Module

B&R 8I74T400037.010-1 Servo Drive Module (ACOPOSinverter / Industrial 3-Phase Drive Unit)

 

 

The B&R 8I74T400037.010-1 is a 3-phase ACOPOSinverter drive module (servo / frequency inverter unit) used in industrial motion and motor control systems.

It is NOT a servo motor and NOT a PLC/controller module.
It is a motor drive (servo inverter / VFD class power module) that controls AC motors.

Product Information

• Brand: B&R Automation (Austria)
• Model: 8I74T400037.010-1
• Series: ACOPOSinverter P74
• Type: Servo / AC motor drive (inverter)
• Power rating: ~0.37 kW (0.5 HP class)
• Voltage: 380–500 VAC, 3-phase
• Current: up to ~8.7 A max (depending load)
• Control interface: POWERLINK industrial Ethernet
• Protection: Integrated EMC filter + brake chopper (variant dependent)

What it actually is

This device is used to control speed, torque, and position of AC motors, meaning:

• Converts AC power → controlled motor output
• Adjusts motor speed (variable frequency drive function)
• Works in servo/motion systems with PLC or motion controller
• Provides braking and motion control functions

It does NOT work as logic controller or CPU.

System Role (Simple)

PLC / B&R controller
→ POWERLINK communication
→ 8I74T400037 drive (this unit)
→ AC motor
→ machine motion (conveyor / axis / spindle)

So it acts like a “motor power and motion control amplifier.”

Key Features

• 3-phase AC motor control
• Variable speed / torque regulation
• POWERLINK real-time communication
• Integrated EMC filtering (noise suppression)
• Brake chopper for controlled deceleration
• Compact industrial inverter design
• Suitable for automation motion systems

Typical Applications

• Conveyor systems
• Packaging machinery
• Industrial automation machines
• Small servo axis control
• Pump and fan control systems
• Light industrial motion systems

Advantages

• Precise motor speed control
• Stable industrial motion performance
• Integrated communication (POWERLINK)
• Compact design for cabinet installation
• Energy-efficient motor control

Important Notes

• Not PLC ❌
• Not servo motor ❌
• Not I/O module ❌
• Not controller CPU ❌
• It is a motor drive / inverter (ACOPOSinverter P74 system) ✔

Precautions

• Must match correct motor power rating (0.37 kW class)
• Incorrect parameter tuning may cause motor instability
• Requires proper grounding and EMC wiring
• High voltage (380–500V) — safety precautions required
• Must be configured via B&R automation system