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Modbus POE ETH IO 8CH register map

Core register map transcribed from the official Modbus POE ETH IO 8CH protocol documentation.

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MAP OVERVIEW

4 groups, 26 decoded points.

01Relay outputs8 tags02Digital inputs8 tags03Control modes8 tags04Device information2 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 Secondary Development Protocol 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.

Digital inputs

8 of 8
Signal / registerDoc addressPDUTypeUnitNotes
Digital input 1100010–0boolean—Digital input status read with FC02.
Digital input 2100021–1boolean—Digital input status read with FC02.
Digital input 3100032–2boolean—Digital input status read with FC02.
Digital input 4100043–3boolean—Digital input status read with FC02.
Digital input 5100054–4boolean—Digital input status read with FC02.
Digital input 6100065–5boolean—Digital input status read with FC02.
Digital input 7100076–6boolean—Digital input status read with FC02.
Digital input 8100087–7boolean—Digital input status read with FC02.

Control modes

8 of 8
Signal / registerDoc addressPDUTypeUnitNotes
Relay 1 control mode440974096–4096uint16—Relay channel 1 operating mode.
Relay 2 control mode440984097–4097uint16—Relay channel 2 operating mode.
Relay 3 control mode440994098–4098uint16—Relay channel 3 operating mode.
Relay 4 control mode441004099–4099uint16—Relay channel 4 operating mode.
Relay 5 control mode441014100–4100uint16—Relay channel 5 operating mode.
Relay 6 control mode441024101–4101uint16—Relay channel 6 operating mode.
Relay 7 control mode441034102–4102uint16—Relay channel 7 operating mode.
Relay 8 control mode441044103–4103uint16—Relay channel 8 operating mode.

Device information

2 of 2
Signal / registerDoc addressPDUTypeUnitNotes
Device address5638516384–16384uint16—Fixed Modbus gateway 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 framingFind the TCP endpoint and Unit IDPlan writes and verify the result