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Modbus RTU Relay 8CH register map

Core register map transcribed from the official Modbus RTU Relay 8CH protocol documentation.

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MAP OVERVIEW

2 groups, 11 decoded points.

01Relay outputs8 tags02Device information3 tags
REGISTER MAP

Searchable source data.

Documentation addresses are derived from the zero-based PDU address in the public definition. Convert a documentation address to its PDU offset when comparing with the manual. Confirm the map against revision Development Protocol V2 and the installed device before commissioning.

Relay outputs

8 of 8
Signal / registerDoc addressPDUTypeUnitNotes
Relay 1000010–0boolean—Relay state; read with FC01 and control with FC05 or FC15.
Relay 2000021–1boolean—Relay state; read with FC01 and control with FC05 or FC15.
Relay 3000032–2boolean—Relay state; read with FC01 and control with FC05 or FC15.
Relay 4000043–3boolean—Relay state; read with FC01 and control with FC05 or FC15.
Relay 5000054–4boolean—Relay state; read with FC01 and control with FC05 or FC15.
Relay 6000065–5boolean—Relay state; read with FC01 and control with FC05 or FC15.
Relay 7000076–6boolean—Relay state; read with FC01 and control with FC05 or FC15.
Relay 8000087–7boolean—Relay state; read with FC01 and control with FC05 or FC15.

Device information

3 of 3
Signal / registerDoc addressPDUTypeUnitNotes
UART parameters481938192–8192uint16—Parity mode in the high byte and baud-rate mode in the low byte.
Device address5638516384–16384uint16—Configured Modbus device address.
Software version7276932768–32768uint16—Raw integer scaled by 0.01; 100 represents version 1.00.
SOURCE & SCOPE

Import the map, then verify the device.

The catalogue provides register metadata, not a connection profile. Serial port, Unit ID, baud rate and site-specific naming stay in your Busloom project.

Manufacturer protocol document ↗Import and verify this register mapCheck RS-485 wiring and framingPlan writes and verify the result