PMU11A Equipment information & support
The Huawei PMU11A is a carrier-grade power environment and battery data acquisition module engineered for -48V DC telecom power systems. It provides precision analog and digital sampling, leveraging dual CAN bus and RS485 communication interfaces to transmit battery midpoint voltage, charge/discharge currents, ambient metrics, and dry-contact states to the system controller.
Equipment information
- Brand
- Huawei
- Equipment model
- PMU11A
- Equipment type
- Power distribution units (PDU)
- Controller / software version
- Confirm against the installed equipment
Information below comes from the current product catalogue. Confirm the controller, software version and configuration of the installed equipment separately.
- System Nominal Voltage
- -48V DC
- Communication Interfaces
- CAN Bus, RS485
- Operating Temperature Range
- -20°C to +65°C
- Digital/Dry Contact Inputs
- Multiple Optocoupler-Isolated Dry Contact Alarm Inputs
- Battery Intelligent Management
- SOH/SOC Monitoring, Temp Compensation & Multi-level LVD
- Hot-Swappable Support
- Yes (Live Hot-Pluggable / Plug-and-Play without Power Interruption)
Alarms & troubleshooting
No public alarm guide is available for this model yet
Share the original alarm text and controller version to help identify applicable documentation. Alarm definitions and procedures may vary by version.
Share on-site informationShare on-site information
- 01
Identify the exact model
Record the nameplate, system model and controller or module model.
- 02
Keep the alarm details
Record the full alarm text, indicator colour, timing and whether it persists.
- 03
Describe recent changes
Note recent replacements, software updates or configuration changes.
Record information visible in the existing interface. Electrical measurements, disassembly and replacement should follow the applicable manufacturer's manual and be performed by qualified personnel.
Related technical articles
Browse the technical guides or send a question about this model.
View all articlesNeed a replacement module or supporting equipment?
Confirm the full model, system configuration and compatibility requirements before enquiring about suitable products.
Have a model and an on-site issue?
Share the exact model, alarm text and observed symptoms to help identify relevant information and compatibility requirements.