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 only confirmed at the hardware-verified rung.
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 | unit |
|---|---|---|---|---|
| status_register | 999 | U32BE | 1 | |
| error_flags_1 | 1001 | U32BE | 1 | |
| error_flags_2 | 1003 | U32BE | 1 | |
| warning_flags | 1005 | U32BE | 1 | |
| actual_stroke_rate | 1007 | U16 | 1 | strokes/h |
| actual_stroke_length | 1008 | F32BE | 1 | % |
| maximum_possible_stroke_rate | 1010 | U16 | 1 | strokes/h |
| actual_dosing_rate | 1017 | F32BE | 1 | |
| maximum_possible_dosing_rate | 1019 | F32BE | 1 | |
| actual_operating_mode | 1021 | U16 | 1 | |
| actual_sub_operating_mode | 1022 | U16 | 1 | |
| actual_concentration | 1023 | F32BE | 1 | ppm |
| switch_on_counter | 1025 | U32BE | 1 | |
| total_operating_time | 1027 | U32BE | 1 | h |
| total_stroke_counter | 1029 | U32BE | 1 | strokes |
| deletable_stroke_counter | 1031 | U32BE | 1 | strokes |
| total_metering_quantity_counter | 1033 | F32BE | 1 | l |
| deletable_metering_quantity_counter | 1035 | F32BE | 1 | l |
| remaining_strokes | 1037 | U32BE | 1 | strokes |
| remaining_metering_volume | 1039 | F32BE | 1 | l |
| metering_volume_of_last_stroke | 1041 | F32BE | 1 | |
| medium_system_pressure | 1043 | F32BE | 1 | bar |
| liquid_level_monitoring | 1045 | U16 | 1 | % |
| start_stop_pump | 1199 | U16 | 1 | |
| target_stroke_length | 1200 | F32BE | 1 | % |
| target_stroke_rate | 1202 | U16 | 1 | strokes/h |
| auxiliary_frequency | 1206 | U16 | 1 | strokes/h |
| auxiliary_stroke_length | 1208 | F32BE | 1 | % |
| target_dosing_rate | 1210 | F32BE | 1 | |
| batch_factor | 1212 | U32BE | 1 | strokes/contact |
| metering_volume_per_batch_mode_triggered | 1214 | F32BE | 1 | |
| dosing_time_for_batch | 1216 | U16 | 1 | sec |
| contact_factor | 1218 | U16 | 1 | strokes/contact |
| metering_volume_per_contact_mode_triggered | 1220 | F32BE | 1 | l/contact |
| auxiliary_dosing_rate | 1222 | F32BE | 1 | |
| activate_concentration_mode | 1224 | U16 | 1 | |
| desired_final_concentration | 1225 | F32BE | 1 | ppm |
| operating_mode | 1227 | U16 | 1 | |
| target_operating_mode | 1228 | U16 | 1 | |
| discharge_stroke_metering_type | 1230 | U16 | 1 | |
| suction_stroke_metering_type | 1231 | U16 | 1 | |
| duration_of_priming | 1232 | U16 | 1 | sec |
| pcb_temperature | 2999 | F32BE | 1 | 0.1 K |
| solenoid_current | 3005 | F32BE | 1 | A |
| intermediate_circuit_voltage | 3007 | F32BE | 1 | V |
| average_solenoid_output | 3011 | F32BE | 1 | W |
| fan_speed | 3013 | U16 | 1 | Rotations/second |
| effective_travel_last_stroke | 3014 | F32BE | 1 |
| terminals | Pin 3: blue GND, Pin 4: black A/+, Pin 5: grey B/- |
| A/B polarity | A/+, B/- |
| termination | Active termination (terminating resistor) integrated on the PCB, can be switched on via the metering pump's menu |
| connector | M12 5-pin |
| wiring notes | half-duplex, 2-wire technology, twisted pair cable, max cable length 1200 m, RS-485 (TIA-485-A), differential voltage level ± 5 V |
| max registers/read | 125 |
| protocol notes | Maximum message size for FC03 is 200 bytes at 19,200 baud (100 bytes at 9600, 400 bytes at 38,400). Device monitoring stops the pump if queries from master remain unanswered beyond a certain time. |
| model register | 8 |
| serial register | 3 |
| firmware register | 26 |
| identification notes | Product code is at register 1 (address 0). |
| environment | IP65 degree of protection (if CAN cable is correctly screwed in) |
| doc revision | BA_G_047_12/24_EN |
Each rung states what it proved and what it did not. Gray until proven; green is earned by hardware only.
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