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.
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.
| point | address (0-based) | type | scale | unit |
|---|---|---|---|---|
| gas_flow | 0 | F32BE | 1 | mln/min |
| temperature | 2 | F32BE | 1 | °C |
| totaliser | 4 | F32BE | 1 | mln |
| setpoint_gas_flow | 6 | F32BE | 1 | mln/min |
| measured_value_analog_input | 8 | F32BE | 1 | V or mA |
| valve_control_signal | 10 | F32BE | 1 | % |
| alarm | 12 | U16 | 1 | |
| hardware_error | 13 | U16 | 1 | |
| controller_mode | 14 | U16 | 1 | |
| measuring_range | 20 | F32BE | 1 | mln/min |
| serial_number_hardware | 30 | U32BE | 1 | |
| totaliser_scaling_factor | 16454 | F32BE | 1 | |
| zero_point_suppression | 16460 | F32BE | 1 | mln/min |
| backflow_detection | 16466 | F32BE | 1 |
| terminals | 9-pin sub-D connector (male) |
| A/B polarity | Pin 6: Tx+ RS485 (Y), Pin 7: Tx- RS485 (Z), Pin 8: Rx- RS485 (B), Pin 9: Rx+ RS485 (A) |
| termination | Bus Terminator Module (BTM 328-2139) available |
| connector | 9-pin sub-D connector (male) |
| isolation | The RS-485/RS-232 converter should be galvanically isolated. |
| shield/ground | Use separate cables for signal ground pin 1 and power supply ground pin 2 to avoid interference problems. |
| inter-frame delay | 4 ms |
| broadcast | supported |
| protocol notes | The number of bytes to be transmitted is limited to 20 because of the limited storage capacity of the RAM. |
| model register | 0x0023..0x0026 |
| serial register | 0x001e..0x001f |
| firmware register | 0x0021 |
| power | + 24 Vdc -5% / +10%, Massflow meter max. 100 mA, Massflow controller max. 250 mA |
| environment | Operating temperature 0 – 50°C, Ingress protection IP-50 |
| accuracy | Standard +/- 1,5% of full scale, Hi-Performance +/- 0,3% of full scale, +/- 0,5% of reading |
| certifications | CE approved |
| doc revision | smart_E4_1 |
| firmware applicability | This manual is valid for instruments with a serial number up to 109 999 |
⚠ disputed: totaliser_scaling_factor @ 16454 — disputed by Vögtlin red-y smart series manual (smart_digi_com_E1_5) which maps Totaliser unit (Einheit Totalisator) to 0x4046..0x4047 (decimal 16454..16455), not a scaling factor
⚠ disputed: zero_point_suppression @ 16460 — disputed by Vögtlin red-y smart series manual (smart_digi_com_E1_5) which maps Zero point suppression (Nullpunktunterdrückung) to 0x4048..0x404b (decimal 16456..16459), while 0x404c..0x404d (decimal 16460..16461) is Reset hardware error
⚠ disputed: backflow_detection @ 16466 — disputed by Vögtlin red-y smart series manual (smart_digi_com_E1_5) which maps Backflow detection (Rückfluss-Detektion) to 0x4050 (decimal 16464), while 0x4052..0x4053 (decimal 16466..16467) is Signal type analog output
Each rung states what it proved and what it did not. Gray until proven; green is earned by hardware only.
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