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FH-BUS / FN.0.2-BUS PICV actuator

Valve actuator (PICV) · BACnet points list

FlowCon FH-BUS / FN.0.2-BUS PICV actuator BACnet points list

Updated 12 November 2026

Short answer

Modulating bus actuators for FlowCon pressure-independent control valves, talking BACnet MS/TP or Modbus. The BMS can drive the valve directly (AV 1 flow set point) or let the actuator run room temperature, thermal power or return temperature control from its own PI loop, with two configurable sensor ports. It also reports flow, delta T, thermal power, energy and several fault flags.

This page lists 72 BACnet objects for the FlowCon FH-BUS / FN.0.2-BUS PICV actuator — 44 of them writable — with each object’s type, instance number, name, engineering units and access. It is re-typed from FlowCon’s own free documentation, linked below.

Manufacturer: FlowCon
Model: FH-BUS / FN.0.2-BUS PICV actuator
Equipment: Valve actuator (PICV)
Equipment type: Valves & actuators
BACnet objects: 72 (44 writable)
Transport: BACnet MS/TP
Firmware: Software 2.11, protocol revision 1.22
Also known as: FH-BUS, FN.0.2-BUS, FN02-BUS, FlowCon FH actuator, FlowCon FN actuator, FlowCon Green.3 actuator, FlowCon GreEQ actuator
Source document: BACnet PICS for FlowCon FH-BUS · rev. 2026-03-02

Download CSV 72 rows Download EDE B.I.G.-EU JSON Manufacturer PDF ↗ Compare with your scan Download Easy BACnet Mobile App Google Play

Reference only, provided as-is: verify against FlowCon’s current documentation and the live device before use. Not official FlowCon information. Terms of use.

BMS integration notes: FlowCon FH-BUS / FN.0.2-BUS PICV actuator

Integration in brief

Set MV 4 to 1 (external control signal) and write the flow demand to AV 1, or pick a local control mode and write its set point. Set MV 6 to choose what the actuator does if the bus goes quiet, and watch BI 3-7 for faults.

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
MV 4	Operating mode	Control mode; 1 = follow AV 1	Write
AV 1	External control signal	Flow set point, 0-100 %	Write
MV 9	Choose HVAC mode (Changeover)	Changeover: shut-off, heating, cooling, auto	Write
AI 6	Actual value control signal	Actual flow, % of max.	Read
AI 7	Actual volume flow rate	Actual flow, l/h	Read
AI 8	Differential temperature	Water delta T	Read
BI 3	Actuator is busy	Not following the control signal	Read
BI 4	Actuator in malfunction	Hardware fault	Read
BI 6	Error: valve blocking	Valve blocked	Read

Enable & remote start

MV 4 = 1 makes the actuator follow AV 1; other MV 4 values hand control to the built-in room temperature, thermal power or return temperature loop.

Heartbeat & communication loss

MV 6 sets the action on communication loss: fail in place, or after 120 s close, open or go to the AV 8 position (default 30 %).

Sensors & values from the BMS

Supply/return temperatures (AV 4/AV 5) and room temperature (AV 17) can be written by the BMS when MV 5 / MV 10 select BUS as the source.

Network setup

MS/TP MAC is AV 28 (1-127), writable only with the DIP switches set to 63.
Baud rate is MV 7 (default 38400); a change needs an actuator restart.

Watch out for

MV 1 service commands include reset to factory settings; write it only on purpose.
AV 2/AV 3 limit the control signal range; AV 22/AV 23 limits can override AV 1 (BI 8 shows when).

FlowCon FH-BUS / FN.0.2-BUS PICV actuator 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.

72 of 72 shown

Type

Other

Access

Units

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FlowCon FH-BUS / FN.0.2-BUS PICV actuator BACnet Points List
			Description			States
AI	1	Serial number, software version	Serial number and software version (xxxxxx.xx / x.xx)		Read
AI	2	Analog input P(ort) 1	Measured value at port 1	°C, K or % (per sensor type)	Read
AI	3	Analog input P(ort)2	Measured value at port 2	°C, K or % (per sensor type)	Read
AI	4	Target position	Target position for the actuator piston	mm	Read
AI	5	Actual position	Actual position of the actuator piston	mm	Read
AImin	6	Actual value control signal	Actual flow in percent of max. flow setting	%	Read
AImin	7	Actual volume flow rate	Calculated flow rate from valve parameters	l/h	Read
AImin	8	Differential temperature	Water delta T from supply and return temperatures	K	Read
AI	9	Flush timer actual value	Time left to next flush (hours, last hour in minutes)	h	Read
AI	10	Valve blocking protection timer actual value	Time left to next valve blocking protection run	h	Read
AI	11	Operating hours	Total actuator operating time	h	Read
AI	12	Distance counter	Total actuator travel distance	mm	Read
AI	13	Overall stroke	Distance between upper and lower end position	mm	Read
AI	15	Actual volume flow rate limitation	Max. flow for the selected valve (from MV 8)	l/h	Read
AI	16	Actual value of thermal power	Thermal power through the valve (PICV only)	kW	Read
AI	17	Energy since 0:00 o’clock	Energy used since midnight (PICV only)	kWh	Read
AI	18	Energy in the last 24h	Energy used over the last 24 h (PICV only)	kWh	Read
AO	1	Analog output P(ort) 2	Port 2 0-10 V output value (when MV 3 = 9)	%	Write
AVmin	1	External control signal	Flow set point / actuating signal, 0-100 % (-10 to 110)	%	Write
AV	2	Minimum control signal	Set minimum control signal limit	%	Write
AV	3	Maximum control signal	Set maximum control signal limit	%	Write
AV	4	Supply temperature	Supply water temperature; write-protected if from a port	°C	Write
AV	5	Return temperature	Return water temperature; write-protected if from a port	°C	Write
AV	6	Correction value P(ort) 1	Correction for port 1, -10 to +10		Write
AV	7	Correction value P(ort) 2	Correction for port 2, -10 to +10		Write
AV	8	Emergency position	Fail-safe position on bus loss (default 30 %)	%	Write
AV	10	Valve blocking protection timer	Time between valve blocking protection runs; 0 = off	h	Write
AV	11	Hydraulic balancing value for heating	Balancing flow for heating mode	l/h	Write
AV	12	Hydraulic balancing value for cooling	Balancing flow for cooling mode	l/h	Write
AV	13	Valve lift	Valve stroke 0.5-9 mm; 0 = automatic detection	mm	Write
AV	14	Medium energy constant	Medium energy constant (4183 = water)	J/(kg·K)	Write
AV	15	Xp	PI controller proportional gain, 2-6000		Write
AV	16	Tn	PI controller time constant	s	Write
AV	17	Room temperature actual value	Room temperature; write-protected if from a port	°C	Write
AV	18	Room temperature setpoint	Room temperature set point (0-50 °C; 0-100 °C on FN.0.2)	°C	Write
AV	19	Thermal power setpoint	Thermal power setpoint	kW	Write
AV	20	Return temperature setpoint	Return water temperature setpoint	°C	Write
AV	22	Maximum thermal power limiting value	Thermal power limit; 0 = not active	kW	Write
AV	23	Return temperature limiting value	Return water temperature limit; 0 = not active	°C	Write
AV	28	MAC address	MS/TP MAC 1-127; writable when DIP switches set to 63		Write
AV	29	Close when adjusting range	End-position range where actuator stays at the end, 0-5 %	%	Write
AV	30	Kvs value of the selected valve	No function; value set by valve selection in MV 8		Read
AV	31	Sensitivity constant thermal power limitation	Gain for thermal power limitation, 2-6000		Write
AV	32	Sensitivity constant return temperature limitation	Gain for return temperature limitation, 2-6000		Write
AV	35	Flush timer	Time between flushing runs; 0 = off	h	Write
BI	1	Binary input P(ort) 1	Input in port 1		Read	0=Off, 1=On
BI	2	Binary input P(ort) 2	Input in port 2		Read	0=Off, 1=On
BImin	3	Actuator is busy	Actuator busy, not following the control signal		Read	0=Normal operation, 1=Actuator is not available for control signal
BImin	4	Actuator in malfunction	Hardware fault (e.g. port range exceeded)		Read	0=Normal operation, 1=Hardware fault
BI	5	Error during valve adaption	Valve calibration error		Read	0=Normal operation, 1=Error during valve adaption
BImin	6	Error: valve blocking	Valve blocked error		Read	0=Normal operation, 1=Error, valve is blocked
BI	7	Warning: leak detected	Leak warning: dT above 8 K with valve closed 6 h+		Read	0=No warning, 1=Leak detected
BI	8	Limit function active	Control signal overridden by a limit function		Read
BV	1	P(ort) 1 inversion (binary input)	Port 1 binary input direct/inverse (MV 2 = 2)		Write	0=Direct, 1=Inverted
BV	2	P(ort) 2 inversion (binary input)	Port 2 binary input direct/inverse (MV 3 = 2)		Write	0=Direct, 1=Inverted
BV	3	P(ort) 2 inversion (analog output)	Port 2 analog output direct/inverse (MV 3 = 9)		Write	0=Direct, 1=Inverted
BV	4	Inversion of the valve actuating direction	Actuator direction		Write	0=Normally closed, 1=Normally open
MI	1	Status of HVAC mode (Changeover)	Current changeover mode		Read	1=Shut-off, 2=Heating, 3=Cooling
MV	1	Service command	Service command		Write	1=Normal operation mode, 2=Calibration mode, 3=Flush mode, 4=Synchronize valve, 5=Reset error messages, 6=Reset BUS, 7=Reset to factory settings
MV	2	Sensor type P(ort) 1	Port 1 sensor type		Write	1=OFF, 2=Binary input, 3=0-10V input, 4=KP10, 5=Ni1000-DIN, 6=Ni1000-LG, 7=PT100 (PT1000 on FN.0.2), 8=Potentiometer 10kΩ, 9=Potentiometer 10kΩ +/-3kΩ, 10=Potentiometer 10kΩ +/-5kΩ
MV	3	Sensor/Output type P(ort) 2	Port 2 sensor type / output		Write	1=OFF, 2=Binary input, 3=0-10V input, 4=KP10, 5=Ni1000-DIN, 6=Ni1000-LG, 7=PT1000, 8=Potentiometer 10kΩ, 9=0-10V output (AO 1), 10=0-10V Y position feedback (AI 6), 11=Changeover signal for 6-way valve (MV 9)
MVmin	4	Operating mode	Control mode and where its set points come from		Write	1=External control signal (AV 1), 2=Open ~100%, 3=Closed ~0%, 4=Minimum position (AV 2), 5=NOT ACTIVE, 6=Maximum position (AV 3), 7=Room temperature (AV 17, AV 18), 8=Control by thermal power (AI 16, AV 19), 9=Return water temperature (AV 5, AV 20)
MV	5	Source of supply and return temperature	Water temperature source, supply and return		Write	1=BUS (AV 4 and AV 5), 2=Port 1 supply, Port 2 return, 3=Port 2 supply, Port 1 return, 4=Port 1 supply, BUS return, 5=Port 2 supply, BUS return, 6=BUS supply, Port 1 return, 7=BUS supply, Port 2 return
MV	6	Communication failure mode	Action in case of communication failure		Write	1=fail in place, 2=close (after 120 s), 3=open (after 120 s), 4=fail position AV 8 (after 120 s)
MV	7	Select RS485 baud rate	RS-485 baud rate; takes effect after restart		Write	1=Default (38400), 2=9600, 3=19200, 4=38400, 5=57600, 6=76800, 7=115200
MV	8	Select valve type	Valve type and characteristic		Write	FH-BUS: 1=Linear (generic), 2=Green.3, 3=EQ% (generic), 4=User-Valve; FN.0.2-BUS: 1=Linear (generic), 2=Green.0, 3=Green.1, 4=Green.2, 5=Green.1HF, 6=GreEQ.0, 7=GreEQ.1, 8=GreEQ.2, 9=EQ% (generic), 10=User-Valve
MVmin	9	Choose HVAC mode (Changeover)	Changeover mode command		Write	1=Shut-off, 2=Heating, 3=Cooling, 4=Automatic based on supply temperature (MV 3 not 11)
MV	10	Select source for room temperature	Room temperature source		Write	1=BUS (set AV.17), 2=Port 1, 3=Port 2
MV	11	LED mode	LED indication		Write	1=OFF, 2=ON without BUS, 3=ON with BUS
MV	12	Actuating speed	Actuator speed		Write	1=22 s/mm, 2=28 s/mm, 3=16 s/mm
MV	13	Actuator Control Curve	Actuator control curve (input and feedback)		Write	1=Linear, 2=Equal%, 3=Equal% inverse
Other	1	Network port MS/TP	Network Port object (MS/TP)		Read

Object ID lookup: FlowCon FH-BUS / FN.0.2-BUS PICV actuator point IDs by name

AI1Serial number, software version
AI2Analog input P(ort) 1
AI3Analog input P(ort)2
AI4Target position
AI5Actual position
AI6Actual value control signal
AI7Actual volume flow rate
AI8Differential temperature
AI9Flush timer actual value
AI10Valve blocking protection timer actual value
AI11Operating hours
AI12Distance counter
AI13Overall stroke
AI15Actual volume flow rate limitation
AI16Actual value of thermal power
AI17Energy since 0:00 o’clock
AI18Energy in the last 24h
AO1Analog output P(ort) 2
AV1External control signal
AV2Minimum control signal
AV3Maximum control signal
AV4Supply temperature
AV5Return temperature
AV6Correction value P(ort) 1
AV7Correction value P(ort) 2
AV8Emergency position
AV10Valve blocking protection timer
AV11Hydraulic balancing value for heating
AV12Hydraulic balancing value for cooling
AV13Valve lift
AV14Medium energy constant
AV15Xp
AV16Tn
AV17Room temperature actual value
AV18Room temperature setpoint
AV19Thermal power setpoint
AV20Return temperature setpoint
AV22Maximum thermal power limiting value
AV23Return temperature limiting value
AV28MAC address
AV29Close when adjusting range
AV30Kvs value of the selected valve
AV31Sensitivity constant thermal power limitation
AV32Sensitivity constant return temperature limitation
AV35Flush timer
BI1Binary input P(ort) 1
BI2Binary input P(ort) 2
BI3Actuator is busy
BI4Actuator in malfunction
BI5Error during valve adaption
BI6Error: valve blocking
BI7Warning: leak detected
BI8Limit function active
BV1P(ort) 1 inversion (binary input)
BV2P(ort) 2 inversion (binary input)
BV3P(ort) 2 inversion (analog output)
BV4Inversion of the valve actuating direction
MI1Status of HVAC mode (Changeover)
MV1Service command
MV2Sensor type P(ort) 1
MV3Sensor/Output type P(ort) 2
MV4Operating mode
MV5Source of supply and return temperature
MV6Communication failure mode
MV7Select RS485 baud rate
MV8Select valve type
MV9Choose HVAC mode (Changeover)
MV10Select source for room temperature
MV11LED mode
MV12Actuating speed
MV13Actuator Control Curve

Integration notes

The FH-BUS and FN.0.2-BUS PICS print the same 72 objects; they differ only in MV 8 valve choices, the PT100/PT1000 option in MV 2 and the AV 18 range.
Network Port 1 (MS/TP) is listed as Other 1.
AV 4, AV 5 and AV 17 are writable only when MV 5 / MV 10 selects BUS as the source.
Thermal power and energy values (AI 16-18) are only valid on PICVs.
Instance numbers skip AI 14, AV 9, AV 21 and AV 24-27, AV 33-34 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 FH-BUS / FN.0.2-BUS PICV actuator 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 FlowCon FH-BUS / FN.0.2-BUS PICV actuator

How many BACnet points does the FlowCon FH-BUS / FN.0.2-BUS PICV actuator have?

This list has 72 BACnet objects: 17 analog inputs, 1 analog output, 27 analog values, 8 binary inputs, 4 binary values, 1 multi-state input, 13 multi-state values, 1 other. The exact set on a given unit depends on its firmware, installed options and configuration.

Which FlowCon FH-BUS / FN.0.2-BUS PICV actuator BACnet points are writable?

44 of the 72 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 FlowCon FH-BUS / FN.0.2-BUS PICV actuator BACnet documentation?

The source is BACnet PICS for FlowCon FH-BUS, revision 2026-03-02, published free by FlowCon at https://flowcon.com/fileadmin/user_upload/Pdf/Certificates/BACnet_PICS/FlowCon-BACnet-PICS-Statement-FlowCon-FH-BUS.pdf.

What are the minimum BACnet points to integrate the FlowCon FH-BUS / FN.0.2-BUS PICV actuator?

Start with MV 4 Operating mode (Control mode; 1 = follow AV 1); AV 1 External control signal (Flow set point, 0-100 %); MV 9 Choose HVAC mode (Changeover) (Changeover: shut-off, heating, cooling, auto); AI 6 Actual value control signal (Actual flow, % of max); AI 7 Actual volume flow rate (Actual flow, l/h); AI 8 Differential temperature (Water delta T); BI 3 Actuator is busy (Not following the control signal); BI 4 Actuator in malfunction (Hardware fault); BI 6 Error: valve blocking (Valve blocked).

How do I enable BMS control of the FlowCon FH-BUS / FN.0.2-BUS PICV actuator?

MV 4 = 1 makes the actuator follow AV 1; other MV 4 values hand control to the built-in room temperature, thermal power or return temperature loop.

Does the FlowCon FH-BUS / FN.0.2-BUS PICV actuator need a BACnet heartbeat or have a communication timeout?

MV 6 sets the action on communication loss: fail in place, or after 120 s close, open or go to the AV 8 position (default 30 %).

Can the BMS supply sensor values to the FlowCon FH-BUS / FN.0.2-BUS PICV actuator?

Supply/return temperatures (AV 4/AV 5) and room temperature (AV 17) can be written by the BMS when MV 5 / MV 10 select BUS as the source.

How do I check these points on the real FH-BUS / FN.0.2-BUS PICV actuator?

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 FlowCon BACnet points lists

Source: BACnet PICS for FlowCon FH-BUS · rev. 2026-03-02. Object names, instances and units are reproduced as published; descriptions are our own.