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.
Decode path is structurally sound (addresses, widths, finite values). Does NOT prove word order or scaling.
| point | address (0-based) | type | scale | unit |
|---|---|---|---|---|
| supply_temp_analog_input | 30 | F32BE | 1 | °F |
| outside_air_temp_analog_input | 32 | F32BE | 1 | °F |
| exhaust_temp_analog_input | 34 | F32BE | 1 | °F |
| outside_rh_analog_input | 36 | F32BE | 1 | % |
| space_static_pressure_analog_input | 38 | F32BE | 1 | |
| supply_duct_static_pressure_analog_input | 40 | F32BE | 1 | |
| space_co2_1_analog_input | 42 | F32BE | 1 | ppm |
| exhaust_fan_speed_analog_input | 44 | F32BE | 1 | |
| supply_fan_speed_analog_input | 46 | F32BE | 1 | |
| space_voc_1_analog_input | 48 | F32BE | 1 | ppm |
| aux_in_customer_1 | 50 | F32BE | 1 | |
| aux_in_customer_2 | 52 | F32BE | 1 | |
| aux_in_customer_3 | 54 | F32BE | 1 | |
| aux_in_customer_4 | 56 | F32BE | 1 | |
| aux_in_customer_5 | 58 | F32BE | 1 | |
| aux_in_customer_6 | 60 | F32BE | 1 | |
| temperature_setpoint | 0 | F32BE | 1 | °F |
| economizer_temp_enable_setpoint | 2 | F32BE | 1 | °F |
| economizer_enthalpy_enable_setpoint | 4 | F32BE | 1 | |
| space_static_pressure_setpoint | 6 | F32BE | 1 | |
| supply_duct_static_pressure_setpoint | 8 | F32BE | 1 | |
| space_co2_setpoint | 10 | F32BE | 1 | ppm |
| space_voc_setpoint | 12 | F32BE | 1 | ppm |
| sf_control_signal_bms | 14 | F32BE | 1 | |
| ef_control_signal_bms | 16 | F32BE | 1 | |
| outside_rh_from_bms | 18 | F32BE | 1 | % |
| outside_temp_from_bms | 20 | F32BE | 1 | °F |
| space_1_co2_from_bms | 22 | F32BE | 1 | ppm |
| space_static_from_bms | 24 | F32BE | 1 | |
| space_voc_from_bms | 26 | F32BE | 1 | ppm |
| aux_bms_analog_output_1 | 100 | F32BE | 1 | |
| aux_bms_analog_output_2 | 102 | F32BE | 1 | |
| aux_bms_analog_output_3 | 104 | F32BE | 1 | |
| aux_bms_analog_output_4 | 106 | F32BE | 1 | |
| unit_status_mode | 0 | U32BE | 1 | °F |
| supply_temperature_calculated_setpoint | 2 | F32BE | 1 | °F |
| defrost_ramp | 4 | F32BE | 1 | |
| economizer_ramp | 6 | F32BE | 1 | |
| exhaust_fan_space_static_pressure_ramp | 8 | F32BE | 1 | |
| exhaust_fan_supply_tracking_ramp | 10 | F32BE | 1 | ppm |
| space_co2_control_ramp | 12 | F32BE | 1 | ppm |
| supply_duct_static_pressure_ramp | 14 | F32BE | 1 | |
| supply_fan_space_static_pressure_ramp | 16 | F32BE | 1 | |
| outside_dewpoint | 18 | F32BE | 1 | % |
| outside_enthalpy | 20 | F32BE | 1 | °F |
| energy_recovery_analog_output | 22 | F32BE | 1 | ppm |
| exhaust_fan_speed_analog_output | 24 | F32BE | 1 | |
| supply_fan_speed_analog_output | 26 | F32BE | 1 | ppm |
| latest_alm | 100 | U32BE | 1 |
| terminals | Universal Inputs, Analog Outputs, Digital Outputs, 24 VAC Power |
| connector | RJ25/RJ12 for remote display |
| power | 24 VAC Power (for expansion board) |
| environment | Operating Conditions (Remote Display): -4°F to 140°F, 90%RH (non-condensing) |
| doc revision | Document 485131, Version Date: 3/1/21 & 11/30/21 |
| firmware applicability | ERV v3.10/3.11 |
Each rung states what it proved and what it did not. Gray until proven; green is earned by hardware only.
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