Red Lion PAX2A panel meter

Register map(s) for this device, each at the trust rung it earned. Addresses are 0-based as on the wire. Word order and scaling are confirmed at the hardware-verified rung and at no rung below it.

interop-verified

Read + decoded cleanly over a real network vs an independent third-party Modbus test server (transport and framing; reads are remapped into the server's register window, so the map's own addresses are NOT exercised). Does NOT prove word order/scaling against the actual device.

point	address (0-based)	type	scale
input_relative_value	0	U32BE	1
maximum_value	2	U32BE	1
minimum_value	4	U32BE	1
total_value	6	U32BE	1
setpoint_1_value	8	U32BE	1
setpoint_2_value	10	U32BE	1
setpoint_3_value	12	U32BE	1
setpoint_4_value	14	U32BE	1
setpoint_1_band_dev_value	16	U32BE	1
setpoint_2_band_dev_value	18	U32BE	1
setpoint_3_band_dev_value	20	U32BE	1
setpoint_4_band_dev_value	22	U32BE	1
setpoint_output_register	24	U16	1
manual_mode_register	25	U16	1
reset_output_register	26	U16	1
analog_output_register	27	U16	1
input_absolute_value	28	U32BE	1
input_offset_value	30	U32BE	1

link settings as documented (unverified): RTU/ASCII; default 38400 8N?; unit ID 247; Type factory setting is Modbus ASCII (2). Data bits factory setting is 8 bits (1).

bench facts as documented (unverified)

max registers/read	32
protocol notes	Maximum 32 register writes and 32 register reads.
model register	41001
firmware register	41001
identification notes	Slave ID register 41001-41010 contains model 'RLC-PAX2A' and version number.
doc revision	4/15/13 LP0931A

field reports — community-sourced, unverified (checked 2026-06-11)

confirmed: Baud rates [1200, 2400, 4800, 9600, 19200, 38400], default baud 38400, default unit ID 247, framing RTU/ASCII, and parity N — confirmed by Red Lion PAX2A Manual
confirmed: Slave ID register 41001-41010 contains model 'RLC-PAX2A' and version number — confirmed by Red Lion PAX2A Manual
confirmed: Maximum 32 register writes and 32 register reads — confirmed by Red Lion PAX2A Manual
confirmed: Register map addresses (e.g., input_relative_value at 40001, maximum_value at 40003, minimum_value at 40005, total_value at 40007, setpoint_1_value at 40009, setpoint_output_register at 40025, manual_mode_register at 40026, reset_output_register at 40027, analog_output_register at 40028, input_absolute_value at 40029, input_offset_value at 40031) — confirmed by Red Lion PAX2A Manual

The trust ladder

Each rung states what it proved and what it did not. Gray until proven; green is earned by hardware only.

generated — A prompt produced it. Unproven — anyone can regenerate this.
structure-verified — Decode path is structurally sound (addresses, widths, finite values). Does NOT prove word order or scaling.
interop-verified — Read + decoded cleanly over a real network vs an independent third-party Modbus test server (transport and framing; reads are remapped into the server's register window, so the map's own addresses are NOT exercised). Does NOT prove word order/scaling against the actual device.
simulator-verified — Decoded correctly against a protocol emulator seeded with known-true values — catches word-order/scaling errors vs the emulator, not the physical device.
hardware-verified x1 — Matched a real device with operator-attested readings as ground truth — the only rung that confirms word order + scaling on the wire.

If your device isn't here, upload its register map. Generation is free, and the connector keeps the rung it earns under testing.

To prove a connector against your own device, order hardware verification. If it doesn't verify, you don't pay.

Platform builders can license the verified library: machine-readable maps, the firmware matrix, API access.