ABB A41 / A42 Modbus Register Map¶
The ABB A41 / A42 is a power meter used for power monitoring, energy metering, and facility automation. This page provides a sample Modbus register map with addresses, data types, and signal categories to help engineers commission, troubleshoot, and monitor the device. For ABB A41 / A42 deployments, teams often use this map to surface power, energy, and current data in switchboards, facility power distribution, and commercial energy monitoring.
This page shows a preview subset of the full device map available in Modbus Monitor XPF.
Engineers searching for ABB A41 / A42 Modbus map, ABB A41 / A42 register map, or ABB A41 / A42 Modbus registers can use this page as a compatibility snapshot before importing the full map into Modbus Monitor XPF.
Overview¶
- Device: ABB A41 / A42
- Type: Power Meter
- Protocol: Modbus RTU / Modbus TCP
- Use case: power monitoring, energy metering, and facility automation
- Works with: Modbus Monitor XPF (import directly)
Download Modbus Map¶
The full ABB A41 / A42 Modbus register map is available inside Modbus Monitor XPF as a pre-built device map. Download the free feature-locked version to access and export the complete map.
Register Table (Sample)¶
Sample registers from the ABB A41 / A42 Modbus map. Import the full map in Modbus Monitor XPF to access all registers.
| Signal | Address | Type | Units | Category |
|---|---|---|---|---|
| Voltage L1 N V | 423296 | UINT32 | V | Voltage |
| Current L1 A | 423308 | UINT32 | A | Current |
| Apparent import kVAh kVAh | 420504 | UINT64 | - | Power |
| Active import kWh kWh | 420480 | UINT64 | kWh | Energy |
| Frequency Hz | 423340 | UINT16 | Hz | Frequency |
| Freeze demand | 436720 | UINT16 | kW | Demand |
| Input 1 Stored state | 425360 | UINT16 | - | Status |
| Active import Tariff 1 kWh | 420848 | UINT64 | - | General |
| Serial number | 435072 | UINT32 | - | Identification |
| Active export kWh kWh | 420484 | UINT64 | kWh | Energy |
| Active net kWh kWh | 420488 | INT64 | kWh | Energy |
| Reactive import kvarh kvarh | 420492 | UINT64 | kWh | Energy |
How to Use This Map¶
- Download Modbus Monitor XPF — Get the free version.
- Select the ABB A41 / A42 device map — pre-built maps are bundled and ready to load.
- Connect to your device — enter the device IP or COM port and start polling registers immediately.
- Visualise and log — build dashboards, trend data, and export readings without manual register entry.
Why Use Pre-Built Maps¶
- Saves time — no need to manually look up or enter register addresses
- Reduces errors — pre-validated maps eliminate mis-typed addresses and wrong data types
- Speeds commissioning — connect and poll within minutes instead of hours
- Reusable across projects — use the same map across multiple sites and installations
Data Categories Available¶
- Power
- Energy
- Current
- Voltage
- Status
- Frequency
Related Tools¶
- Modbus Monitor XPF — Windows Modbus Tool
- Modbus HMI Builder
- Compare Modbus Monitor XPF with Other Tools