Peter Electronic 29700.40100 VB400-100 – VersiBrake 400 DC Injection Motor Brake
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Product Information
The Peter Electronic 29700.40100 (Model VB400-100) is an electronic DC injection motor brake from the VersiBrake 400 family, designed to deliver rapid, wear-free deceleration for three-phase asynchronous induction motors. Operating with a nominal supply voltage of 400 V AC (with an allowable supply range of 342–456 V AC at 50/60 Hz) and supplying up to 100 A of DC braking current, this device injects direct current into the motor stator windings to generate a stationary magnetic field that brings the rotor to a smooth stop. By replacing or supplementing mechanical friction braking, the unit eliminates mechanical wear on brake pads and components, extending service life in high-inertia industrial machinery such as circular saws, planers, centrifuges, mixers, grinders, and industrial conveyors.
Integrating and commissioning the VB400-100 within a control cabinet is straightforward, utilizing standard screw terminal connections and IP20 panel screw mounting. Setup requires no software tools, external programming units, or communication cables; parameter tuning is completed directly on the hardware via front-panel rotary potentiometers. Maintenance personnel can adjust the braking current limit, activation delay time, and maximum braking duration to match machine dynamics. Integrated control inputs for motor contactor interlocking prevent simultaneous AC line power and DC braking activation, while potential-free relay outputs deliver status and fault feedback to host controls.
For operational monitoring, the unit features front-panel status LEDs that report power presence, active DC braking, and fault conditions. An integrated microcontroller incorporates automatic standstill detection, monitoring motor deceleration and immediately stopping the DC braking current once the rotor comes to a complete stop to prevent motor thermal overload. Initial checks for non-responsive units should include verifying the 400 V AC control voltage, checking motor contactor interlock contacts, and verifying potentiometer positions. Internal switching or electronic component failures cannot be serviced in the field, and procuring a tested replacement unit through ABC Industrial Parts provides an efficient route to restore equipment operations.
Technical Specifications
| Manufacturer | Peter Electronic |
| Part Number | 29700.40100 |
| Model / Type | VB400-100 |
| Product Family | VersiBrake 400 |
| Component Type | DC Injection Motor Brake |
| Nominal Supply Voltage | 400 V AC |
| Supply Voltage Range | 342 - 456 V AC |
| Mains Frequency | 50/60 Hz |
| Max DC Braking Current | 100 A |
| Control Method | Microcontroller-controlled DC Injection Braking |
| Protection Rating | IP20 |
| Mounting Type | Panel / Cabinet Screw Mounting |
Programming and Configuration
The Peter Electronic 29700.40100 operates entirely without external programming tools, software applications, or digital serial connections. All parameter adjustments are carried out directly on the physical module using hardware rotary potentiometers located on the front panel.
Technicians can adjust the DC braking current limit up to 100 A, the activation delay duration following motor disconnection, and the maximum braking run time. Fine-tuning these physical controls ensures proper stopping performance tailored to specific load inertias while guarding against motor overheating.
Diagnostics and Status Indication
Operational diagnostic information on the VB400-100 is provided visually via front-panel status LED indicators and electrically through potential-free relay output contacts. The built-in microcontroller continuously evaluates operating conditions, including automatic standstill detection, to manage braking cycles and protect motor windings.
When a fault condition or thermal overload threshold is reached, or when the standstill state is active, the designated status LED changes state and the potential-free fault signaling relay changes contact position to alert upper-level machine automation systems.
Status LED Indicators
| LED | Color/Status | Meaning |
|---|---|---|
| Ready / Power | Solid | Control voltage present |
| Braking | Solid | Active DC braking cycle |
| Fault / Overload | Solid / Flashing | Fault condition or standstill detection state |
Replacement and Spare Part Considerations
When replacing a existing brake unit with a spare Peter Electronic 29700.40100 VB400-100, verify that the application requires a 400 V AC supply and a maximum DC braking current rating of 100 A. Prior to applying power to a replacement unit, copy the potentiometer dial settings (braking current limit, delay time, and brake time) directly from the original unit to ensure identical stopping behavior.
Ensure that screw terminal connections for power, motor windings, contactor interlocks, and signaling contacts are securely wired according to control system schematics. Proper wiring of the contactor interlocking inputs is essential to prevent AC mains power from connecting simultaneously with DC injection braking. ABC Industrial Parts can assist in supplying replacement units and spares to keep machine operations running reliably.
Frequently Asked Questions
How does the Peter Electronic VB400-100 decelerate three-phase motors?
The VB400-100 uses microcontroller-controlled DC injection braking, applying direct current up to 100 A to the motor stator windings to generate a stationary magnetic field that brings the rotor to a wear-free stop.
What software or tools are needed to commission the 29700.40100?
No software tools or programming cables are required. All configuration is performed manually via front-panel hardware potentiometers that control braking current, activation delay time, and maximum brake time.
How does automatic standstill detection work on the VersiBrake 400?
The integrated microcontroller continuously monitors motor standstill conditions during braking and automatically terminates the DC braking current as soon as the motor stops, preventing thermal overload.
What purpose do the motor contactor interlock inputs serve?
The contactor interlock inputs ensure that AC mains line power and DC braking injection current cannot be applied to the motor stator at the same time, protecting the brake unit and electrical circuitry.
What do the front-panel LEDs on the VB400-100 indicate?
The LEDs indicate system status: 'Ready / Power' shows control voltage presence, 'Braking' indicates an active DC injection cycle, and 'Fault / Overload' signals a fault state or automatic standstill detection.
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Disclaimer:
We are not an authorised distributor of Peter Electronic.
Product photos are for illustration purposes only and may differ from the actual product delivered.
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