jumo-dtron-304-308-316-controller-needs-rs422-485-option

Register map(s) for this device, with a note of how far each has been checked. Addresses are 0-based, as on the wire. Scale and byte order are confirmed only at the hardware-verified rung.

structure-verified

Decode path is structurally sound (addresses, widths, finite values). Does NOT prove word order or scaling.

point	address (0-based)	type	scale	unit
Program status	31	U16	1
Controller status	32	U16	1
Binary outputs 1 - 10	33	U16	1
Binary inputs 1 - 6	35	U16	1
Limit comparator	36	U16	1
Control contacts 1-4	37	U16	1
Binary signals	38	U16	1
Control of the binary outputs	39	U16	1
Analog input 1	40	F32LE	1	mV
Analog input 2	42	F32LE	1	mV
Internal Pt100	48	F32LE	1	Ohm
Sampling cycle time	52	U16	1
Analog input 1	53	F32LE	1	degree
Analog input 2	55	F32LE	1	degree
Math 1	61	F32LE	1
Math 2	63	F32LE	1
Ramp end value (W)	65	F32LE	1
Filtered process value	67	F32LE	1
Unfiltered process value	69	F32LE	1
Setpoint	71	F32LE	1
Output -100 to 100% (displayed value)	73	F32LE	1	%
Output, heating 0 to 100%	75	F32LE	1	%
Output, cooling -100 to 0%	77	F32LE	1	%
Control difference	79	F32LE	1
Switching status, heating (1 = contact closed/ON)	83	U16	1
Switching status, cooling (1 = contact closed/ON)	84	U16	1
Parameter set number 0 - 1	85	U16	1
Manual output	86	U16	1
Segment number (1 - 8)	87	U16	1
Number of segments (1- 8)	88	U16	1
Program setpoint	89	F32LE	1
Program run time	91	U32LE	1	seconds
Residual program time	93	U32LE	1	seconds
Segment run time	97	U32LE	1
Residual segment time	99	U32LE	1
Timer run time, timer 1	103	U32LE	1
Timer run time, timer 2	105	U32LE	1
Timer run time, timer 3	107	U32LE	1
Timer run time, timer 4	109	U32LE	1
Binary functions "Program controller"	111	U16	1
Binary functions "Controller"	112	U16	1
Binary functions "Operation"	113	U16	1
Binary functions "Timer"	114	U16	1
Setpoint switching	115	U16	1
Parameter set switching	116	U16	1
Limit comparator 1, limit AL	119	F32LE	1
Limit comparator 1, switching differential	121	F32LE	1
Limit comparator 1, switch-on delay	123	U16	1
Limit comparator 1, switch-off delay	124	U16	1
Limit comparator 2, limit AL	125	F32LE	1
Limit comparator 2, switching differential	127	F32LE	1
Limit comparator 2, switch-on delay	129	U16	1
Limit comparator 2, switch-off delay	130	U16	1
Limit comparator 3, limit AL	131	F32LE	1
Limit comparator 3, switching differential	133	F32LE	1
Limit comparator 3, switch-on delay	135	U16	1
Limit comparator 3, switch-off delay	136	U16	1
Limit comparator 4, limit AL	137	F32LE	1
Limit comparator 4, switching differential	139	F32LE	1
Limit comparator 4, switch-on delay	141	U16	1
Limit comparator 4, switch-off delay	142	U16	1
Ramp function, slope	143	F32LE	1
Segment setpoint 1	145	F32LE	1
Segment time 1	147	U32LE	1
Segment setpoint 2	149	F32LE	1
Segment time 2	151	U32LE	1
Segment setpoint 3	153	F32LE	1
Segment time 3	155	U32LE	1
Segment setpoint 4	157	F32LE	1
Segment time 4	159	U32LE	1
Segment setpoint 5	161	F32LE	1
Segment time 5	163	U32LE	1
Segment setpoint 6	165	F32LE	1
Segment time 6	167	U32LE	1
Segment setpoint 7	169	F32LE	1
Segment time 7	171	U32LE	1
Segment setpoint 8	173	F32LE	1
Segment time 8	175	U32LE	1
Control contacts, segment 1	177	U16	1
Control contacts, segment 2	178	U16	1
Control contacts, segment 3	179	U16	1
Control contacts, segment 4	180	U16	1
Control contacts, segment 5	181	U16	1
Control contacts, segment 6	182	U16	1
Control contacts, segment 7	183	U16	1
Control contacts, segment 8	184	U16	1
Alarm text (1-2)	185	U16	1
Alarm text (3-4)	186	U16	1
Parameter set 1: Pb1	12288	F32LE	1
Parameter set 1: Pb2	12290	F32LE	1
Parameter set 1: dt	12292	U16	1
Parameter set 1: rt	12293	U16	1
Parameter set 1: Cy1	12294	F32LE	1
Parameter set 1: Cy2	12296	F32LE	1
Parameter set 1: db	12298	F32LE	1
Parameter set 1: HyS1	12300	F32LE	1
Parameter set 1: HyS2	12302	F32LE	1
Parameter set 1: tt	12304	U16	1
Parameter set 1: y0	12305	U16	1
Parameter set 1: y1	12306	U16	1
Parameter set 1: y2	12307	U16	1
Parameter set 2: Pb1	12308	F32LE	1
Parameter set 2: Pb2	12310	F32LE	1
Parameter set 2: dt	12312	U16	1
Parameter set 2: rt	12313	U16	1
Parameter set 2: Cy1	12314	F32LE	1
Parameter set 2: Cy2	12316	F32LE	1
Parameter set 2: db	12318	F32LE	1
Parameter set 2: HyS1	12320	F32LE	1
Parameter set 2: HyS2	12322	F32LE	1
Parameter set 2: tt	12324	U16	1
Parameter set 2: y0	12325	U16	1
Parameter set 2: y1	12326	U16	1
Parameter set 2: y2	12327	U16	1
Setpoint W1	12544	F32LE	1
Setpoint W2	12546	F32LE	1
Setpoint W3	12548	F32LE	1
Setpoint W4	12550	F32LE	1
Setpoint	12800	F32LE	1
Process value	12802	F32LE	1
Option slot 1+2	16384	U16	1
Option slot 3	16385	U16	1
Device format	16393	U16	1

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.
coherence-checked — Round-trips through a real Modbus stack with no overlapping addresses and a word-order-sensitive codec — the map is internally coherent and wire-decodable. Does NOT prove byte-order or scaling match a real device: the emulator is seeded from the map's own types, so a uniformly wrong byte-order still round-trips. Only hardware-verified confirms byte-order/scale on the wire.
hardware-verified (software-key) x1 — Matched a real device with operator-attested readings as ground truth — the only rung that confirms word order + scaling on the wire.

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