Device Deye Advanced Modbus Register 250: Name inverter name setting timezone1

Technical Definition

The register name inverter name setting timezone1 at address 250 is used to monitor name inverter name setting timezone1 on the Device Deye Advanced.

• Protocol: Modbus RTU
• Data Type: INT16
• Unit:
• Access: Read Only

How to Read (Python pymodbus)

Use this code snippet to read this specific value via RS485:

from pymodbus.client.sync import ModbusSerialClient

client = ModbusSerialClient(method='rtu', port='/dev/ttyUSB0', baudrate=9600)
client.connect()

# Read name_inverter_name_setting_timezone1 (Address: 250)
# Note: Check if your device uses 0-based or 1-based addressing
result = client.read_input_registers(address=250, count=2, unit=1)

if not result.isError():
    print(f"Raw Value: {result.registers}")
else:
    print("Error reading register")

client.close()

Integration (Home Assistant)

Paste this into your configuration.yaml:

- platform: modbus_controller
  name: "name_inverter_name_setting_timezone1"
  address: 250
  value_type: INT16
  unit_of_measurement: ""

Connection Diagram

Here is the standard RS485 wiring for this configuration:

graph TD
    PLC[Host Controller / Home Assistant]
    Device[Device Deye Advanced]

    PLC -- "A+ (D+)" --> Device
    PLC -- "B- (D-)" --> Device
    PLC -- GND --> Device

💡 Engineer's Insight

Analysis: Setting for the primary time zone used by the Deye inverter. Typically an offset from UTC.

Troubleshooting: An incorrect or default value (e.g., 0) might lead to inaccurate time-based operations or logging. Check configuration.