Description
Product Overview
The BRAUN E1667.111 overspeed protection monitor is a component of BRAUN’s E16 machinery protection system, used in applications where excessive rotational speed can damage equipment or create hazardous operating conditions. The part number is identified in procurement records as the monitor for the E16A345.111 overspeed protection system. BRAUN’s E16 documentation describes the E1667 monitor family as evaluating speed signals and external trip conditions. This makes the module relevant to turbine protection and other critical rotating machinery applications where speed monitoring must remain coordinated with the plant’s shutdown logic.
The E1667 monitor family supports configurable overspeed setpoints, alarm hysteresis, trip behavior, and sensor-fault monitoring. The manufacturer documentation describes speed calculation from sensor pulse timing, along with configurable responses to overspeed conditions. Specific functions depend on the E16 system version, firmware, sensor type, and configured protection logic. These parameters must be verified against the correct system manual and existing configuration rather than copied from another E16 variant.
For maintenance teams sourcing a BRAUN E1667.111, exact model identification is especially important because this is part of a machinery protection system rather than a general-purpose speed display. Before replacement, confirm the complete part number, hardware revision, installed firmware, compatible E16 rack and backplane, sensor arrangement, and configured trip logic. Document the existing settings and follow the plant’s approved commissioning and proof-test procedure after installation. The available product identification confirms the monitor’s role, but does not establish every electrical rating or safety certification for this exact suffix; those details should be checked against the applicable BRAUN documentation.
Product Introduction
In turbine and rotating-equipment protection, an incorrect overspeed setpoint or an incompatible monitor can compromise shutdown behavior. The BRAUN E1667.111 is identified as a monitor for the E16A345.111 overspeed protection system, where accurate speed evaluation and configured trip logic are central to the protection function.
When procuring a replacement, match the exact hardware version and verify the stored setpoints, sensor type, alarm behavior, and trip-relay configuration. Commissioning should include the required functional and proof tests before the equipment returns to service.
Key Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | BRAUN |
| Model Number | E1667.111 |
| Product Type | Overspeed protection monitor |
| System Association | BRAUN E16 protection system |
| Related System Model | E16A345.111 |
| Primary Function | Speed monitoring and overspeed protection evaluation |
| Monitoring Function | Configurable overspeed setpoints and alarm hysteresis, per applicable E16 version |
| Sensor Monitoring | Supported by the family; exact settings depend on sensor type |
| Trip Logic | Configurable according to the applicable system configuration |
| Configuration Interface | Front-panel controls and/or RS232, depending on the documented E16 version |
| Rack Compatibility | Verify the E16 rack and backplane version |
| Supply Voltage | Confirm from the exact hardware manual and nameplate |
| Input Signal Type | Verify against the installed sensor type |
| Relay Contact Ratings | Not confirmed for this exact model suffix |
| Analog Output | Not confirmed for this exact model suffix |
| Response Time | Verify against the applicable E16 system documentation |
| Safety Certification | Confirm for the complete system version and installed configuration |
| Firmware | Verify installed revision and compatibility |
| Condition | Confirm new, used, or refurbished status and functional-test results |
The E16 manual documents -family monitoring and configuration functions. Exact electrical ratings, response times, and safety approvals are intentionally left unconfirmed where model-specific evidence is insufficient.
E1667.111
Related Products
These BRAUN components are associated with E16 machinery monitoring and protection systems. They perform different roles and should not be treated as direct substitutes without verification.
- .011 — Related BRAUN monitor designation used in E16 protection applications. Confirm the complete suffix and hardware revision before cross-referencing.
- E1668.021 — Related E16 monitoring-system component. Verify its role and system compatibility against the applicable manual.
- E1691 — Test interface used with supported BRAUN E16 protection systems for testing and maintenance operations.
- E16A345.111 — System-level overspeed protection model associated with the .111 monitor in procurement records.
- E16x342 — BRAUN E16 triple-channel protection-system family designed for high-integrity machinery protection applications. System configuration and monitor revisions must be checked.
- E16x346 — Related E16 protection-system family with its own hardware and firmware documentation. Confirm compatibility before using components across system variants.
- A5S12-85950-5m — BRAUN speed sensor listed in connection with E16 overspeed monitoring applications; verify sensor compatibility, cable length, and installation requirements.
- A5S09N3/220-5mT — BRAUN speed-sensor model for compatible monitoring applications; confirm the exact sensor technology and monitor settings.
Frequently Asked Questions
1. What is the BRAUN .111 used for?
It is identified as an overspeed protection monitor associated with the BRAUN E16A345.111 system. The family evaluates rotational-speed signals and configured protection conditions in supported machinery protection installations.
2. Can the .111 be used in a turbine protection system?
It is associated with an E16 overspeed protection system, a product family intended for machinery protection. Suitability for a specific turbine depends on the complete protection-system design, applicable certification, sensor arrangement, and approved configuration.
3. Does the .111 support configurable overspeed trip setpoints?
BRAUN’s E16 documentation describes configurable overspeed setpoints and alarm hysteresis for the monitor family. The correct parameter ranges and trip behavior must be confirmed against the installed system version and firmware.
4. Can I hot-swap the .111 while the plant is operating?
Do not assume live replacement is permitted. The monitor participates in machinery protection logic, so removal may affect the availability or integrity of the protection system. Follow the site’s approved maintenance procedure, including any required bypass controls, authorization, and compensating protection measures.
5. How do I verify that a replacement .111 is compatible?
Compare the complete part number, hardware revision, firmware, E16 system model, rack/backplane, sensor type, and trip configuration. Confirm compatibility with BRAUN documentation before installation; matching the front-panel designation alone is insufficient.
6. How can I verify the condition of a used or refurbished monitor?
Request traceable identification, visual inspection results, and documented functional testing. Where applicable, test evidence should cover speed input evaluation, sensor-fault detection, alarm behavior, and trip outputs using an approved test setup. A powered display alone does not establish that the protection function is reliable.
7. Will a replacement retain the original overspeed settings?
Do not assume that the existing settings will transfer automatically. Record and verify the configured setpoints, hysteresis, sensor-monitoring parameters, and trip-relay behavior. After installation, complete the required validation and proof testing under the plant’s approved safety procedure before returning the protection system to service.
