{
 "manufacturer": "ABB",
 "manufacturer_slug": "abb",
 "model": "ACS355 HVAC with BACnet (+N831)",
 "model_slug": "acs355-n831",
 "aliases": [
  "ACS355",
  "ACS355 +N831",
  "ACS355 HVAC",
  "ACS355 BACnet",
  "3AXD50000024172"
 ],
 "equipment_type": "Variable frequency drive (HVAC)",
 "applies_to": "ABB ACS355 machinery drives with the HVAC with BACnet firmware (option +N831, firmware 6502 or later).",
 "summary": "ACS355 drives ordered with option +N831 carry HVAC firmware with BACnet MS/TP on the built-in RS-485 (EFB) port. The object list follows the older ABB ACH550 style: relay and digital I/O status, run/stop, direction, run enable and fault reset commands, two references, PID values, energy, fault history and mailbox access to any parameter.",
 "bacnet_transport": [
  "BACnet MS/TP"
 ],
 "firmware": "HVAC with BACnet firmware 6502 or later (parameter 3301)",
 "default_device_instance": "Equal to the MAC ID while 5311 and 5317 are both 0 (default)",
 "access_inferred": false,
 "notes": [
  "BO 1-3 and BI 1-3 need the MREL-01 relay option; writing BO 1-3 without it returns a value-out-of-range error.",
  "Each command object only works when the matching drive parameter points at COMM (shown in the description).",
  "The manual reuses the AI 0 text (Analog Input 1, parameter 0120) for AI 1 ANALOG INPUT 2; it is taken here as analog input 2.",
  "Gaps in instance numbers (BI 4-5, BI 11, BO 4-5, AV 22) are not in the manual and not listed.",
  "C = commandable (priority array and relinquish default), per the manual."
 ],
 "integration": {
  "summary": "Set 9802 COMM PROT SEL to BACnet, then 5302 station ID (MAC), baud on the EFB baud parameter (default 38400) and the device instance with 5311/5317. Point 1001 (EXT1 commands) and 1103 (REF1 source) at COMM, then write BV 10 and AV 16. Set 3018/3019 for communication loss.",
  "minimum_points": [
   {
    "ref": "BV 10",
    "why": "Start/stop from the BMS",
    "name": "RUN/STOP CMD"
   },
   {
    "ref": "AV 16",
    "why": "Speed reference in %",
    "name": "INPUT REF 1"
   },
   {
    "ref": "BV 14",
    "why": "Reset a tripped drive",
    "name": "FAULT RESET"
   },
   {
    "ref": "BV 0",
    "why": "Running status",
    "name": "RUN/STOP ACT"
   },
   {
    "ref": "BV 4",
    "why": "Shows if the panel has the drive in Hand",
    "name": "HAND/AUTO ACT"
   },
   {
    "ref": "AV 1",
    "why": "Output frequency in Hz",
    "name": "OUTPUT FREQ"
   },
   {
    "ref": "AV 4",
    "why": "Motor amps",
    "name": "CURRENT"
   },
   {
    "ref": "AV 6",
    "why": "Drive power in kW",
    "name": "POWER"
   },
   {
    "ref": "BV 2",
    "why": "Any active drive fault",
    "name": "FAULT ACT"
   },
   {
    "ref": "AV 18",
    "why": "Most recent fault code",
    "name": "LAST FLT"
   }
  ],
  "enable": "Set 1001 EXT1 COMMANDS (and/or 1002 EXT2) = COMM so BV 10 starts and stops the drive; 1003 = REQUEST lets BV 11 change direction. 1103 REF1 SELECT = COMM makes AV 16 the reference; 1106 = COMM uses AV 17 as reference 2 (or as the process PID setpoint with 1106 = PID1 OUT and 4010 = COMM). 1601 = COMM for BV 12 run enable, 1102 = COMM for BV 13 EXT1/EXT2, 1604 = COMM for BV 14 fault reset. BV 18 control override takes control, but panel HAND still wins.",
  "heartbeat": "3018 COMM FAULT FUNC sets the reaction to lost communication (0 not selected, 1 fault, 2 constant speed 7, 3 last speed) and 3019 COMM FAULT TIME the delay (0-600 s, default 10 s).",
  "remote_sensors": "AV 27 EXT PID STPT sets the external PID setpoint (4210 = 19). AO 0 drives analog output 1 when 1501 = 135; BO 0-3 and BO 6 drive the relays/transistor output when their source parameter is COMM.",
  "setup": [
   "9802 COMM PROT SEL = BACnet enables the protocol on the EFB port.",
   "5302 EFB STATION ID sets the MS/TP MAC (default 1); a non-zero value latches the settings.",
   "Baud: default 38400 when BACnet is selected; 9600, 19200, 38400 and 76800 are supported.",
   "Device instance: 5311 alone for 1-65535, or 5311 + 10000 x 5317 for larger IDs; both 0 = instance equals MAC.",
   "5312 Max Info Frames (default 1) and 5313 Max Master (default 127); 5316 counts tokens received.",
   "After changing communication settings cycle power, reset the station ID, or use ReinitializeDevice."
  ],
  "gotchas": [
   "Panel HAND mode beats BACnet control override (BV 18).",
   "BV 14 fault reset is rising-edge triggered.",
   "Last speed and constant speed comm-loss reactions keep the motor running.",
   "No segmentation; services are limited to ReadProperty/WriteProperty (no ReadPropertyMultiple listed)."
  ]
 },
 "source": {
  "title": "ACS355 User Manual Supplement - HVAC with BACnet (+N831)",
  "doc_number": "3AXD50000024172 Rev B",
  "revision_date": "2015-12-15",
  "url": "https://library.e.abb.com/public/93dd4631ba224263a5430ccb316251c6/3AXD50000024172_REVB.pdf"
 },
 "points": [
  {
   "type": "BI",
   "instance": 0,
   "name": "RO 1 ACT",
   "description": "Relay output 1 status",
   "units": "",
   "access": "R",
   "states": "ON/OFF"
  },
  {
   "type": "BI",
   "instance": 1,
   "name": "RO 2 ACT",
   "description": "Relay output 2 status (MREL-01 option)",
   "units": "",
   "access": "R",
   "states": "ON/OFF"
  },
  {
   "type": "BI",
   "instance": 2,
   "name": "RO 3 ACT",
   "description": "Relay output 3 status (MREL-01 option)",
   "units": "",
   "access": "R",
   "states": "ON/OFF"
  },
  {
   "type": "BI",
   "instance": 3,
   "name": "RO 4 ACT",
   "description": "Relay output 4 status (MREL-01 option)",
   "units": "",
   "access": "R",
   "states": "ON/OFF"
  },
  {
   "type": "BI",
   "instance": 6,
   "name": "DI 1 ACT",
   "description": "Digital input 1 status",
   "units": "",
   "access": "R",
   "states": "ON/OFF"
  },
  {
   "type": "BI",
   "instance": 7,
   "name": "DI 2 ACT",
   "description": "Digital input 2 status",
   "units": "",
   "access": "R",
   "states": "ON/OFF"
  },
  {
   "type": "BI",
   "instance": 8,
   "name": "DI 3 ACT",
   "description": "Digital input 3 status",
   "units": "",
   "access": "R",
   "states": "ON/OFF"
  },
  {
   "type": "BI",
   "instance": 9,
   "name": "DI 4 ACT",
   "description": "Digital input 4 status",
   "units": "",
   "access": "R",
   "states": "ON/OFF"
  },
  {
   "type": "BI",
   "instance": 10,
   "name": "DI 5 ACT",
   "description": "Digital input 5 status",
   "units": "",
   "access": "R",
   "states": "ON/OFF"
  },
  {
   "type": "BI",
   "instance": 12,
   "name": "TO ACT",
   "description": "Transistor output status",
   "units": "",
   "access": "R",
   "states": "ON/OFF"
  },
  {
   "type": "BO",
   "instance": 0,
   "name": "RO1 CMD",
   "description": "Relay 1 command (needs 1401 = COMM)",
   "units": "",
   "access": "C",
   "states": "ON/OFF"
  },
  {
   "type": "BO",
   "instance": 1,
   "name": "RO2 CMD",
   "description": "Relay 2 command (1402 = COMM, MREL-01)",
   "units": "",
   "access": "C",
   "states": "ON/OFF"
  },
  {
   "type": "BO",
   "instance": 2,
   "name": "RO3 CMD",
   "description": "Relay 3 command (1403 = COMM, MREL-01)",
   "units": "",
   "access": "C",
   "states": "ON/OFF"
  },
  {
   "type": "BO",
   "instance": 3,
   "name": "RO4 CMD",
   "description": "Relay 4 command (1410 = COMM, MREL-01)",
   "units": "",
   "access": "C",
   "states": "ON/OFF"
  },
  {
   "type": "BO",
   "instance": 6,
   "name": "TO CMD",
   "description": "Transistor output command (1805 = COMM)",
   "units": "",
   "access": "C",
   "states": "ON/OFF"
  },
  {
   "type": "BV",
   "instance": 0,
   "name": "RUN/STOP ACT",
   "description": "Drive run status",
   "units": "",
   "access": "R",
   "states": "RUN/STOP"
  },
  {
   "type": "BV",
   "instance": 1,
   "name": "FWD/REV ACT",
   "description": "Rotation direction",
   "units": "",
   "access": "R",
   "states": "REV/FWD"
  },
  {
   "type": "BV",
   "instance": 2,
   "name": "FAULT ACT",
   "description": "Drive fault status",
   "units": "",
   "access": "R",
   "states": "FAULT/OK"
  },
  {
   "type": "BV",
   "instance": 3,
   "name": "EXT 1/2 ACT",
   "description": "Active control source EXT1 or EXT2",
   "units": "",
   "access": "R",
   "states": "EXT2/EXT1"
  },
  {
   "type": "BV",
   "instance": 4,
   "name": "HAND/AUTO ACT",
   "description": "Hand or Auto control",
   "units": "",
   "access": "R",
   "states": "HAND/AUTO"
  },
  {
   "type": "BV",
   "instance": 5,
   "name": "ALARM ACT",
   "description": "Drive alarm status",
   "units": "",
   "access": "R",
   "states": "ALARM/OK"
  },
  {
   "type": "BV",
   "instance": 6,
   "name": "MAINT REQ",
   "description": "Maintenance due (group 29)",
   "units": "",
   "access": "R",
   "states": "MAINT/OK"
  },
  {
   "type": "BV",
   "instance": 7,
   "name": "DRIVE READY",
   "description": "Ready to accept a run command",
   "units": "",
   "access": "R",
   "states": "READY/NOT READY"
  },
  {
   "type": "BV",
   "instance": 8,
   "name": "AT SETPOINT",
   "description": "At commanded setpoint",
   "units": "",
   "access": "R",
   "states": "YES/NO"
  },
  {
   "type": "BV",
   "instance": 9,
   "name": "RUN ENA ACT",
   "description": "Run enable status",
   "units": "",
   "access": "R",
   "states": "ENABLE/DISABLE"
  },
  {
   "type": "BV",
   "instance": 10,
   "name": "RUN/STOP CMD",
   "description": "Start/stop command (1001/1002 = COMM)",
   "units": "",
   "access": "C",
   "states": "RUN/STOP"
  },
  {
   "type": "BV",
   "instance": 11,
   "name": "FWD/REV CMD",
   "description": "Direction command (1003 = REQUEST)",
   "units": "",
   "access": "C",
   "states": "REV/FWD"
  },
  {
   "type": "BV",
   "instance": 12,
   "name": "RUN ENA CMD",
   "description": "Run enable command (1601 = COMM)",
   "units": "",
   "access": "C",
   "states": "ENABLE/DISABLE"
  },
  {
   "type": "BV",
   "instance": 13,
   "name": "EXT 1/2 CMD",
   "description": "Select EXT1/EXT2 (1102 = COMM)",
   "units": "",
   "access": "C",
   "states": "EXT2/EXT1"
  },
  {
   "type": "BV",
   "instance": 14,
   "name": "FAULT RESET",
   "description": "Fault reset, rising edge (1604 = COMM)",
   "units": "",
   "access": "C",
   "states": "RESET/NO"
  },
  {
   "type": "BV",
   "instance": 15,
   "name": "MBOX READ",
   "description": "Read the parameter in AV 25 into AV 26",
   "units": "",
   "access": "W",
   "states": "READ/RESET"
  },
  {
   "type": "BV",
   "instance": 16,
   "name": "MBOX WRITE",
   "description": "Write AV 26 to the parameter in AV 25",
   "units": "",
   "access": "W",
   "states": "WRITE/RESET"
  },
  {
   "type": "BV",
   "instance": 17,
   "name": "LOCK PANEL",
   "description": "Lock panel parameter changes (1602)",
   "units": "",
   "access": "W",
   "states": "LOCK/UNLOCK"
  },
  {
   "type": "BV",
   "instance": 18,
   "name": "CTL OVERRIDE CMD",
   "description": "BACnet control override",
   "units": "",
   "access": "C",
   "states": "ON/OFF"
  },
  {
   "type": "BV",
   "instance": 19,
   "name": "CTL OVERRIDE ACT",
   "description": "Control override active",
   "units": "",
   "access": "R",
   "states": "ON/OFF"
  },
  {
   "type": "BV",
   "instance": 20,
   "name": "START ENABLE 1",
   "description": "Start enable 1 (1608 = COMM)",
   "units": "",
   "access": "C",
   "states": "ENABLE/DISABLE"
  },
  {
   "type": "BV",
   "instance": 21,
   "name": "START ENABLE 2",
   "description": "Start enable 2 (1609 = COMM)",
   "units": "",
   "access": "C",
   "states": "ENABLE/DISABLE"
  },
  {
   "type": "BV",
   "instance": 22,
   "name": "HEATING CMD",
   "description": "Motor pre-heat on/off",
   "units": "",
   "access": "C",
   "states": "ON/OFF"
  },
  {
   "type": "BV",
   "instance": 23,
   "name": "HEATING STS",
   "description": "Motor pre-heat status",
   "units": "",
   "access": "R",
   "states": "ON/OFF"
  },
  {
   "type": "AI",
   "instance": 0,
   "name": "ANALOG INPUT 1",
   "description": "Analog input 1 value (0120)",
   "units": "%",
   "access": "R",
   "states": ""
  },
  {
   "type": "AI",
   "instance": 1,
   "name": "ANALOG INPUT 2",
   "description": "Analog input 2 value",
   "units": "%",
   "access": "R",
   "states": ""
  },
  {
   "type": "AO",
   "instance": 0,
   "name": "AO 1 COMMAND",
   "description": "Analog output 1 command (1501 = 135)",
   "units": "%",
   "access": "C",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 0,
   "name": "OUTPUT SPEED",
   "description": "Calculated motor speed (0102)",
   "units": "rpm",
   "access": "R",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 1,
   "name": "OUTPUT FREQ",
   "description": "Output frequency (0103)",
   "units": "Hz",
   "access": "R",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 2,
   "name": "DC BUS VOLT",
   "description": "DC bus voltage (0107)",
   "units": "V",
   "access": "R",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 3,
   "name": "OUTPUT VOLT",
   "description": "Output voltage (0109)",
   "units": "V",
   "access": "R",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 4,
   "name": "CURRENT",
   "description": "Output current (0104)",
   "units": "A",
   "access": "R",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 5,
   "name": "TORQUE",
   "description": "Motor torque, % of nominal (0105)",
   "units": "%",
   "access": "R",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 6,
   "name": "POWER",
   "description": "Output power (0106)",
   "units": "kW",
   "access": "R",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 7,
   "name": "DRIVE TEMP",
   "description": "Heatsink temperature (0110)",
   "units": "°C",
   "access": "R",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 8,
   "name": "KWH (R)",
   "description": "Resettable energy counter (0115)",
   "units": "kWh",
   "access": "W",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 9,
   "name": "KWH (NR)",
   "description": "Non-resettable energy counter",
   "units": "kWh",
   "access": "R",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 10,
   "name": "PRC PID FBCK",
   "description": "Process PID feedback (0130)",
   "units": "%",
   "access": "R",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 11,
   "name": "PRC PID DEV",
   "description": "Process PID deviation (0132)",
   "units": "%",
   "access": "R",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 12,
   "name": "EXT PID FBCK",
   "description": "External PID feedback (0131)",
   "units": "%",
   "access": "R",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 13,
   "name": "EXT PID DEV",
   "description": "External PID deviation (0133)",
   "units": "%",
   "access": "R",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 14,
   "name": "RUN TIME (R)",
   "description": "Resettable run time (0114)",
   "units": "h",
   "access": "W",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 15,
   "name": "MOTOR TEMP",
   "description": "Motor temperature (0145)",
   "units": "°C",
   "access": "R",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 16,
   "name": "INPUT REF 1",
   "description": "Reference 1 (1103 = COMM)",
   "units": "%",
   "access": "C",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 17,
   "name": "INPUT REF 2",
   "description": "Reference 2 or process PID setpoint (1106)",
   "units": "%",
   "access": "C",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 18,
   "name": "LAST FLT",
   "description": "Most recent fault (0401)",
   "units": "",
   "access": "R",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 19,
   "name": "PREV FLT 1",
   "description": "Second most recent fault (0412)",
   "units": "",
   "access": "R",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 20,
   "name": "PREV FLT 2",
   "description": "Third most recent fault (0413)",
   "units": "",
   "access": "R",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 21,
   "name": "AO 1 ACT",
   "description": "Analog output 1 level (0124)",
   "units": "mA",
   "access": "R",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 23,
   "name": "ACCEL1 TIME",
   "description": "Ramp 1 acceleration time (2202)",
   "units": "s",
   "access": "W",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 24,
   "name": "DECEL1 TIME",
   "description": "Ramp 1 deceleration time (2203)",
   "units": "s",
   "access": "W",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 25,
   "name": "MBOX PARAM",
   "description": "Parameter number for mailbox read/write",
   "units": "",
   "access": "W",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 26,
   "name": "MBOX DATA",
   "description": "Mailbox parameter value",
   "units": "",
   "access": "W",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 27,
   "name": "EXT PID STPT",
   "description": "External PID setpoint (4210 = 19)",
   "units": "%",
   "access": "C",
   "states": ""
  },
  {
   "type": "AV",
   "instance": 28,
   "name": "HEATING CURRENT",
   "description": "Motor heating current, % of nominal",
   "units": "%",
   "access": "W",
   "states": ""
  }
 ],
 "page": "https://easybacnet.com/bacnet-points-lists/abb/acs355-n831",
 "note": "Provided as-is. Point availability varies by firmware and options; verify against the live device.",
 "disclaimer": "DISCLAIMER: reference only, provided AS IS with no warranty. May contain errors or be out of date. You must verify every point against the manufacturer's current documentation and the live device before use. easybacnet.com accepts no liability for its use and is not affiliated with the manufacturer. Terms: https://easybacnet.com/terms#content"
}