.Procon.Base Modbus Register 32: Name heat pump frequency master

Technical Definition

The register name heat pump frequency master at address 32 is used to monitor name heat pump frequency master on the .Procon.Base.

• Protocol: Modbus RTU
• Data Type: U WORD
• Unit: Hz
• 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 heat_pump_frequency_master (Address: 32)
# Note: Check if your device uses 0-based or 1-based addressing
result = client.read_input_registers(address=32, 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 heat_pump_frequency_master"
  address: 32
  value_type: U_WORD
  unit_of_measurement: "Hz"

Connection Diagram

Here is the standard RS485 wiring for this configuration:

graph TD
    PLC[Host Controller / Home Assistant]
    Device[.Procon.Base]

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

💡 Engineer's Insight

Analysis: Operating frequency of the master heat pump (e.g., in Hz). Indicates the running speed of the primary heat pump unit.

Troubleshooting: 0 suggests the heat pump is off or in standby. Check system demand, Temperature setpoints, and heat pump status signals.