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Pump controller (diesel fire pump switch box) · BACnet points list
Wilo SC Fire D EN12845 (BACnet MS/TP / IP) BACnet points list
Updated 7 November 2026
Wilo's SC-family switch boxes control multi-pump systems and act as a BACnet MS/TP slave on their RS-485 port; BACnet IP needs an added gateway in the panel. The SC Fire D EN12845 list covers the operating command, fire-pump switch states, battery/engine or mains values and fire error bits. Fieldbus write access is governed by a bus command timer that must be refreshed every five minutes.
This page lists 62 BACnet objects for the Wilo SC Fire D EN12845 (BACnet MS/TP / IP) — 6 of them writable — with each object’s type, instance number, name, engineering units and access. It is re-typed from Wilo’s own free documentation, linked below.
- Manufacturer
- Wilo
- Model
- SC Fire D EN12845 (BACnet MS/TP / IP)
- Equipment
- Pump controller (diesel fire pump switch box)
- Equipment type
- VFDs & pumps
- BACnet objects
- 62 (6 writable)
- Transport
- BACnet MS/TP, BACnet IP
- Firmware
- Data-point list 31.200
- Also known as
- Wilo SC Fire D EN12845 BACnet, Smart-Controller SC, OPTION BACnet SC
Reference only, provided as-is: verify against Wilo’s current documentation and the live device before use. Not official Wilo information. Terms of use.
BMS integration notes: Wilo SC Fire D EN12845 (BACnet MS/TP / IP)
Read the switch states (pump running, sprinkler request, standby) and the fire error bits for monitoring. Drives on/off (BO 224) switches automatic operation; for any fieldbus write, first write Set to the Bus command timer (MO 208) and repeat it within five minutes. Acknowledge alarms with BO 1985.
Minimum points to map
The short list most integrators start with — enough to run the unit from a BMS. Map more as the job needs.
| Object | Name | Why | Access |
|---|---|---|---|
| BO 224 | Drives on/off | Automatic operation and all pumps on/off | Write |
| MO 208 | Bus command timer | Write Set (3) at least every 5 min to keep control | Write |
| BO 1985 | Acknowledge | Alarm acknowledge | Write |
| BI 1649 | Switch states (Pump running ED) | Pump running | Read |
| BI 1651 | Switch states (Sprinkler request ED) | Sprinkler start request | Read |
| BI 1656 | Switch states (Collective error message) | Collective error message | Read |
Enable & remote start
The Bus command timer (MO 208) decides who may change settings. Manual: HMI and fieldbus both write, last value wins. Off: HMI locked, fieldbus only. Set: HMI locked and a 5-minute timer starts (state reads Active).
Heartbeat & communication loss
With the Bus command timer in Set mode, Set must be written again at least every five minutes. If it lapses the state changes to Reset, the HMI gets access back and the fieldbus is locked until Set is written again.
Network setup
- SC menus 5.1.2.1-5.1.2.5 set the BACnet MS/TP baud rate, bus address (MAC), parity, stop bits and device object ID.
- BACnet IP uses an extra gateway (HD67686) wired to the panel's RS-485 port: set the SC to 38400 baud, MAC 5, no parity, 1 stop bit. The gateway defaults to 192.168.0.10, UDP 47808, no DHCP; change it with the free Compositor SW67686 tool.
- Terminate the first and last node of the MS/TP segment (DIP switch or jumper, per panel hardware).
- SC-Fire needs the extra communication PCB (art. no. 2543170) on the SC board; RS-485 is on terminal X8 (pins 73/74).
Watch out for
- In Bus command timer Off mode the HMI stays locked; if the fieldbus fails there is no access until it recovers.
- Alarm history: write the index (0-15 on SC) to AO 1990, then read the error code from AI 1995.
Wilo SC Fire D EN12845 (BACnet MS/TP / IP) BACnet objects
Type: AI, AO, AV, BI, BO, BV, MI/MO/MV (multi-state) · Access: Read read-only, Write writable, Command writable with a priority array.
| Description | States | |||||
|---|---|---|---|---|---|---|
| AI | 0 | Version communication profile | Read | |||
| BO | 16 | Wink service | Write >0 to blink the HMI indicator for 30 s | Write | ||
| MOmin | 208 | Bus command timer | HMI vs fieldbus access; Set must be resent within 5 min | Write | 1=-, 2=Off, 3=Set, 4=Active, 5=Reset, 6=Manual | |
| BOmin | 224 | Drives on/off | Automatic operation and all pumps on/off | Write | ||
| MI | 1168 | Application | Application the switch box runs | Read | 1=Booster, 2=HVAC, 3=WP, 4=Lift, 5=FFS-Diesel, 6=FFS-Electro, 7=FLA, 8=Clean, 9=Rain | |
| AI | 1216 | Switch box cycles | Read | |||
| AI | 1248 | Switch box total running hours | h | Read | ||
| AI | 1280 | Pump 1 switch cycles | Read | |||
| BOmin | 1985 | Acknowledge | Write to acknowledge an alarm | Write | ||
| AO | 1990 | Alarm history index | Select an alarm history entry (SC: 0-15) | Write | ||
| AI | 1995 | Alarm history error code | Error code of the selected history entry | Read | ||
| AO | 2011 | Alarm histogram index | Write | |||
| AI | 2012 | Alarm histogram error code | Read | |||
| AI | 2013 | Alarm histogram error count | Read | |||
| AI | 1538 | Voltage battery A | V | Read | ||
| AI | 1539 | Voltage battery B | V | Read | ||
| AI | 1540 | Current battery A | A | Read | ||
| AI | 1541 | Current battery B | A | Read | ||
| AI | 1542 | Start attempts battery A | Read | |||
| AI | 1543 | Start attempts battery B | Read | |||
| BI | 1648 | Switch states (Standby ED) | Read | |||
| BImin | 1649 | Switch states (Pump running ED) | Read | |||
| BI | 1650 | Switch states (Automatik OFF D) | Read | |||
| BImin | 1651 | Switch states (Sprinkler request ED) | Read | |||
| BI | 1652 | Switch states (Float switch request ED) | Read | |||
| BI | 1653 | Switch states (Check manual start D) | Read | |||
| BI | 1654 | Switch states (Manual stop ED) | Read | |||
| BImin | 1656 | Switch states (Collective error message) | Read | |||
| AI | 1545 | Oil pressure | bar | Read | ||
| AI | 1546 | Oil temperature | °C | Read | ||
| AI | 1547 | Water temperature | °C | Read | ||
| AI | 1548 | Water temperature external | °C | Read | ||
| AI | 1549 | Engine speed | RPM | Read | ||
| AI | 1551 | Pump total run minutes | min | Read | ||
| AI | 1552 | Pump last run minutes | min | Read | ||
| AI | 1554 | Remaining days to maintenance | d | Read | ||
| BI | 1572 | Error state Fire (No supply charger A D) | Read | |||
| BI | 1573 | Error state Fire (No supply charger B D) | Read | |||
| BI | 1574 | Error state Fire (LED No supply charger A D) | Read | |||
| BI | 1575 | Error state Fire (LED No supply charger B D) | Read | |||
| BI | 1576 | Error state Fire (Undervoltage battery A D) | Read | |||
| BI | 1577 | Error state Fire (Undervoltage battery B D) | Read | |||
| BI | 1578 | Error state Fire (No connection to aux HMI ED) | Read | |||
| BI | 1579 | Error state Fire (Timeout charger A D) | Read | |||
| BI | 1580 | Error state Fire (Timeout charger B D) | Read | |||
| BI | 1581 | Error state Fire (Communication error A D) | Read | |||
| BI | 1582 | Error state Fire (Communication error B D) | Read | |||
| BI | 1583 | Error state Fire (Battery error A D) | Read | |||
| BI | 1584 | Error state Fire (Battery error B D) | Read | |||
| BI | 1585 | Error state Fire (Shortcut Battery A D) | Read | |||
| BI | 1586 | Error state Fire (Shortcut Battery B D) | Read | |||
| BI | 1587 | Error state Fire (Cable break Battery A D) | Read | |||
| BI | 1588 | Error state Fire (Cable break Battery B D) | Read | |||
| BI | 1589 | Error state Fire (Free error message ED) | Read | |||
| BI | 1590 | Error state Fire (Minimum fuel D) | Read | |||
| BI | 1591 | Error state Fire (No engine preheating D) | Read | |||
| BI | 1592 | Error state Fire (Low oil pressure D) | Read | |||
| BI | 1593 | Error state Fire (Overtemperature engine D) | Read | |||
| BI | 1594 | Error state Fire (Start sprocket not engaged D) | Read | |||
| BI | 1595 | Error state Fire (Sprocket wiring brocken D) | Read | |||
| BI | 1596 | Error state Fire (Startup failed ED) | Read | |||
| BI | 1597 | Error state Fire (Belt split D) | Read |
No points match these filters.
Object ID lookup: Wilo SC Fire D EN12845 point IDs by name
AI0Version communication profileBO16Wink serviceMO208Bus command timerBO224Drives on/offMI1168ApplicationAI1216Switch box cyclesAI1248Switch box total running hoursAI1280Pump 1 switch cyclesBO1985AcknowledgeAO1990Alarm history indexAI1995Alarm history error codeAO2011Alarm histogram indexAI2012Alarm histogram error codeAI2013Alarm histogram error countAI1538Voltage battery AAI1539Voltage battery BAI1540Current battery AAI1541Current battery BAI1542Start attempts battery AAI1543Start attempts battery BBI1648Switch states (Standby ED)BI1649Switch states (Pump running ED)BI1650Switch states (Automatik OFF D)BI1651Switch states (Sprinkler request ED)BI1652Switch states (Float switch request ED)BI1653Switch states (Check manual start D)BI1654Switch states (Manual stop ED)BI1656Switch states (Collective error message)AI1545Oil pressureAI1546Oil temperatureAI1547Water temperatureAI1548Water temperature externalAI1549Engine speedAI1551Pump total run minutesAI1552Pump last run minutesAI1554Remaining days to maintenanceBI1572Error state Fire (No supply charger A D)BI1573Error state Fire (No supply charger B D)BI1574Error state Fire (LED No supply charger A D)BI1575Error state Fire (LED No supply charger B D)BI1576Error state Fire (Undervoltage battery A D)BI1577Error state Fire (Undervoltage battery B D)BI1578Error state Fire (No connection to aux HMI ED)BI1579Error state Fire (Timeout charger A D)BI1580Error state Fire (Timeout charger B D)BI1581Error state Fire (Communication error A D)BI1582Error state Fire (Communication error B D)BI1583Error state Fire (Battery error A D)BI1584Error state Fire (Battery error B D)BI1585Error state Fire (Shortcut Battery A D)BI1586Error state Fire (Shortcut Battery B D)BI1587Error state Fire (Cable break Battery A D)BI1588Error state Fire (Cable break Battery B D)BI1589Error state Fire (Free error message ED)BI1590Error state Fire (Minimum fuel D)BI1591Error state Fire (No engine preheating D)BI1592Error state Fire (Low oil pressure D)BI1593Error state Fire (Overtemperature engine D)BI1594Error state Fire (Start sprocket not engaged D)BI1595Error state Fire (Sprocket wiring brocken D)BI1596Error state Fire (Startup failed ED)BI1597Error state Fire (Belt split D)
Integration notes
- Taken from the 'SC Fire D EN12845' table in Wilo's SC BACnet supplement (English part, pp91-92). Wilo prints a 'BACnet ID' and an object type with its BACnet type code in brackets, e.g. 'Analog Input (0)'. The ID is used here as the instance and the type follows the code, so rows printed 'Binary Input (4)' are Binary Outputs.
- Where Wilo prints several IDs against one name (pump state, switch box state, error state and other bitmaps), each ID is its own binary object for the element printed beside it; the element is shown in brackets after the name.
- Analog objects that list several units report in the unit of the active control mode.
- Wilo prints 'Error state' and 'FC state' rows with no BACnet IDs or elements in this table; they are left out.
- The E, D and ED suffixes in the switch-state and fire-error names mark electric, diesel or both variants, as printed.
Check it against the live device. A points list tells you what the controller can expose; the unit in front of you may differ by firmware or installed options. This list is provided as-is for reference only and may contain mistakes — confirming it before you write, map or commission anything is up to you (terms). Easy BACnet scans a network for BACnet IP devices from an Android phone, reads every object on the SC Fire D EN12845 (BACnet MS/TP / IP) and exports what it actually has to Excel — free. New to BACnet? Start with what a BACnet points list is and what the object types mean.
Questions about the Wilo SC Fire D EN12845 (BACnet MS/TP / IP)
How many BACnet points does the Wilo SC Fire D EN12845 (BACnet MS/TP / IP) have?
This list has 62 BACnet objects: 21 analog inputs, 2 analog outputs, 34 binary inputs, 3 binary outputs, 1 multi-state input, 1 multi-state output. The exact set on a given unit depends on its firmware, installed options and configuration.
Which Wilo SC Fire D EN12845 (BACnet MS/TP / IP) BACnet points are writable?
6 of the 62 objects accept a write. Points marked Command have a priority array: a write holds until it is released, so release it back to automatic when you are done.
Where is the official Wilo SC Fire D EN12845 (BACnet MS/TP / IP) BACnet documentation?
The source is BACnet - supplemental sheet SC manual (SC System): System-specific data-point list BACnet SC (wilo110041 (OPTION BACnet SC 2539869 Ed. 06)), revision 2020-07-10 (list 31.200), published free by Wilo at https://cms.media.wilo.com/cdndoc/wilo110041/4721760/wilo110041.pdf.
What are the minimum BACnet points to integrate the Wilo SC Fire D EN12845 (BACnet MS/TP / IP)?
Start with BO 224 Drives on/off (Automatic operation and all pumps on/off); MO 208 Bus command timer (Write Set (3) at least every 5 min to keep control); BO 1985 Acknowledge (Alarm acknowledge); BI 1649 Switch states (Pump running ED) (Pump running); BI 1651 Switch states (Sprinkler request ED) (Sprinkler start request); BI 1656 Switch states (Collective error message) (Collective error message).
How do I enable BMS control of the Wilo SC Fire D EN12845 (BACnet MS/TP / IP)?
The Bus command timer (MO 208) decides who may change settings. Manual: HMI and fieldbus both write, last value wins. Off: HMI locked, fieldbus only. Set: HMI locked and a 5-minute timer starts (state reads Active).
Does the Wilo SC Fire D EN12845 (BACnet MS/TP / IP) need a BACnet heartbeat or have a communication timeout?
With the Bus command timer in Set mode, Set must be written again at least every five minutes. If it lapses the state changes to Reset, the HMI gets access back and the fieldbus is locked until Set is written again.
How do I check these points on the real SC Fire D EN12845 (BACnet MS/TP / IP)?
Scan the network with a BACnet IP browser such as Easy BACnet, open the device and compare its object list with this table. Anything missing is usually an option that isn't installed or a point that is disabled in the controller's configuration.
More Wilo BACnet points lists
- Pump controller (booster set switch box)
Wilo CC Booster (BACnet IP / MS/TP)
Wilo CC (Comfort-Controller) switch boxes on pressure-boosting pump sets, fitted with the BACnet IP or BACnet MS/TP extension module.
Also known as: Comfort-Controller CC, Wilo CC Booster BACnet, SPS extension BACnet IP slave, SPS extension BACnet MSTP slave - Pump controller (HVAC pump switch box)
Wilo CC HVAC (BACnet IP / MS/TP)
Wilo CC (Comfort-Controller) switch boxes on HVAC circulation pump systems, fitted with the BACnet IP or BACnet MS/TP extension module.
Also known as: Comfort-Controller CC HVAC, Wilo CC HVAC BACnet - Pump controller (lifting station switch box)
Wilo CC Lift (BACnet IP / MS/TP)
Wilo CC switch boxes running the Lift application on wastewater lifting stations, fitted with the BACnet IP or BACnet MS/TP extension module.
Also known as: Wilo CC Lift BACnet - Pump controller (booster set switch box with frequency converter)
Wilo CC...FC Booster (BACnet IP / MS/TP)
Wilo CC...FC switch boxes (with frequency converter) on pressure-boosting sets, fitted with the BACnet IP or BACnet MS/TP extension module.
Also known as: CC-FC Booster, Wilo CC...FC BACnet - Pump controller (HVAC switch box with frequency converter)
Wilo CC...FC HVAC (BACnet IP / MS/TP)
Wilo CC...FC switch boxes (with frequency converter) on HVAC circulation pump systems, fitted with the BACnet IP or BACnet MS/TP extension module.
Also known as: CC-FC HVAC, Wilo CC...FC HVAC BACnet - Pump controller (booster set switch box)
Wilo CCe Booster (BACnet IP / MS/TP)
Wilo CCe switch boxes for pressure-boosting sets with electronically controlled pumps, fitted with the BACnet IP or BACnet MS/TP extension module.
Also known as: Wilo CCe Booster BACnet - Pump controller (HVAC pump switch box)
Wilo CCe HVAC (BACnet IP / MS/TP)
Wilo CCe switch boxes on HVAC circulation pump systems with electronically controlled pumps, fitted with the BACnet IP or BACnet MS/TP extension module.
Also known as: Wilo CCe HVAC BACnet - Pump controller (booster set switch box)
Wilo CCe NWB Booster (BACnet IP / MS/TP)
Wilo CCe switch boxes that run their pumps over NWB, on pressure-boosting sets, fitted with the BACnet IP or BACnet MS/TP extension module.
Also known as: CCe NWB, Wilo CCe NWB Booster BACnet - Pump controller (rainwater harvesting switch box)
Wilo CCe Rain (BACnet IP / MS/TP)
Wilo CCe switch boxes on rainwater utilisation systems (cistern pumps and replenishment valve), fitted with the BACnet IP or BACnet MS/TP extension module.
Also known as: Wilo CCe Rain BACnet - Pump (CIF-Module BACnet interface)
Wilo Helix2.0-VE / Medana CH3-LE / Isar MODH1-E (CIF-Module BACnet)
Wilo Helix2.0-VE vertical and Medana CH3-LE horizontal multistage pumps, and the Isar MODH1-E, fitted with a CIF-Module BACnet MS/TP or Ethernet Multiprotocol (BACnet IP).
Also known as: Helix2.0-VE, Helix 2.0 VE, Medana CH3-LE, Isar MODH1-E, CIF-Module BACnet MS/TP, CIF-Module Ethernet Multiprotocol - Pump (circulator BACnet MS/TP interface module)
Wilo IF-Module BACnet / IF-Module BACnet Stratos (BACnet MS/TP)
Wilo IF-Module BACnet (2097811, glanded pumps such as IL-E/IP-E/DL-E/BL-E and MVIE/MHIE) and IF-Module BACnet Stratos (2097810, Stratos/Stratos-D/-Z), the plug-in modules that put older Wilo electronic pumps on BACnet MS/TP.
Also known as: IF-Modul BACnet, IF-Modul BACnet Stratos, 2097811, 2097810, Wilo IF-Module BACnet - Pump controller (booster set switch box)
Wilo SC Booster (BACnet MS/TP / IP)
Wilo SC switch boxes on pressure-boosting pump sets.
Also known as: Wilo SC Booster BACnet, Smart-Controller SC, OPTION BACnet SC - Pump controller (SC Clean switch box, one pump and two valves)
Wilo SC Clean (BACnet MS/TP / IP)
Wilo SC switch boxes set to the Clean application (one pump and two valves).
Also known as: Wilo SC Clean BACnet, Smart-Controller SC, OPTION BACnet SC - Pump controller (diesel fire pump switch box)
Wilo SC Fire D APSAD (BACnet MS/TP / IP)
Wilo SC-Fire switch boxes for diesel-driven sprinkler pumps built to the APSAD rules.
Also known as: Wilo SC Fire D APSAD BACnet, Smart-Controller SC, OPTION BACnet SC - Pump controller (electric fire pump switch box)
Wilo SC Fire E APSAD (BACnet MS/TP / IP)
Wilo SC-Fire switch boxes for electric sprinkler pumps built to the APSAD rules.
Also known as: Wilo SC Fire E APSAD BACnet, Smart-Controller SC, OPTION BACnet SC - Pump controller (electric fire pump switch box)
Wilo SC Fire E EN12845 (BACnet MS/TP / IP)
Wilo SC-Fire switch boxes for electric sprinkler pumps built to EN 12845.
Also known as: Wilo SC Fire E EN12845 BACnet, Smart-Controller SC, OPTION BACnet SC - Pump controller (HVAC multi-pump switch box)
Wilo SC HVAC (BACnet MS/TP / IP)
Wilo SC switch boxes on multi-pump HVAC (heating/cooling circulation) systems.
Also known as: Wilo SC HVAC BACnet, Smart-Controller SC, OPTION BACnet SC - Pump controller (lifting station switch box)
Wilo SC Lift (BACnet MS/TP / IP)
Wilo SC switch boxes on sewage/drainage lifting stations with level control.
Also known as: Wilo SC Lift BACnet, Smart-Controller SC, OPTION BACnet SC - Pump controller (booster set switch box with frequency converter)
Wilo SC...FC Booster (BACnet MS/TP / IP)
Wilo SC...FC switch boxes (built-in frequency converter) on pressure-boosting pump sets.
Also known as: Wilo SC...FC Booster BACnet, Smart-Controller SC, OPTION BACnet SC - Pump controller (HVAC switch box with frequency converter)
Wilo SC...FC HVAC (BACnet MS/TP / IP)
Wilo SC...FC switch boxes (built-in frequency converter) on HVAC multi-pump systems.
Also known as: Wilo SC...FC HVAC BACnet, Smart-Controller SC, OPTION BACnet SC - Pump controller (booster set switch box, electronic pumps)
Wilo SCe Booster (BACnet MS/TP / IP)
Wilo SCe switch boxes on pressure-boosting sets with speed-controlled (electronic) pumps.
Also known as: Wilo SCe Booster BACnet, Smart-Controller SC, OPTION BACnet SC - Pump controller (fire-fighting booster switch box)
Wilo SCe FFS Poland (BACnet MS/TP / IP)
Wilo SCe switch boxes on fire-fighting (FFS) booster sets in the Polish variant.
Also known as: Wilo SCe FFS Poland BACnet, Smart-Controller SC, OPTION BACnet SC - Pump controller (HVAC switch box, electronic pumps)
Wilo SCe HVAC (BACnet MS/TP / IP)
Wilo SCe switch boxes on HVAC multi-pump systems with speed-controlled (electronic) pumps.
Also known as: Wilo SCe HVAC BACnet, Smart-Controller SC, OPTION BACnet SC - Pump controller (booster set switch box, p-v control)
Wilo SCe PV Booster (BACnet MS/TP / IP)
Wilo SCe switch boxes on pressure-boosting sets running variable-pressure (p-v) control.
Also known as: Wilo SCe PV Booster BACnet, Smart-Controller SC, OPTION BACnet SC - Pump (CIF-Module BACnet interface)
Wilo SiFresh (CIF-Module BACnet MS/TP / Ethernet)
Wilo SiFresh drinking-water flushing / hygiene circulation pump station fitted with a CIF-Module BACnet MS/TP or Ethernet Multiprotocol (BACnet IP).
Also known as: SiFresh, Wilo-SiFresh, CIF-Module BACnet MS/TP, CIF-Module Ethernet Multiprotocol - Pump (CIF-Module BACnet interface)
Wilo Stratos GIGA2.0 (CIF-Module BACnet MS/TP / Ethernet)
Wilo Stratos GIGA2.0-I / -D inline glandless high-efficiency pumps fitted with a CIF-Module BACnet MS/TP or Ethernet Multiprotocol (BACnet IP).
Also known as: Stratos GIGA2.0, Stratos GIGA2.0-I, Stratos GIGA2.0-D, CIF-Module BACnet MS/TP, CIF-Module Ethernet Multiprotocol, 2190367, 2211408 - Pump (CIF-Module BACnet interface)
Wilo Stratos MAXO (CIF-Module BACnet MS/TP / Ethernet)
Wilo Stratos MAXO smart wet-rotor circulators fitted with a CIF-Module BACnet MS/TP (2190367) or CIF-Module Ethernet Multiprotocol for BACnet IP (2211408).
Also known as: Stratos MAXO, Stratos MAXO-D, Stratos MAXO-Z, CIF-Module BACnet MS/TP, CIF-Module Ethernet Multiprotocol, 2190367, 2211408 - Pump (CIF-Module BACnet interface)
Wilo Yonos GIGA2.0 (CIF-Module BACnet MS/TP / Ethernet)
Wilo Yonos GIGA2.0-I / -D glandless inline pumps fitted with a CIF-Module BACnet MS/TP or Ethernet Multiprotocol (BACnet IP).
Also known as: Yonos GIGA2.0, Yonos GIGA2.0-I, Yonos GIGA2.0-D, CIF-Module BACnet MS/TP, CIF-Module Ethernet Multiprotocol
Source: BACnet - supplemental sheet SC manual (SC System): System-specific data-point list BACnet SC · wilo110041 (OPTION BACnet SC 2539869 Ed. 06) · rev. 2020-07-10 (list 31.200). Object names, instances and units are reproduced as published; descriptions are our own.