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i500 inverter (BACnet MS/TP)

Variable frequency drive · BACnet points list

Lenze i500 inverter (BACnet MS/TP) BACnet points list

Updated 28 October 2026

Short answer

The Lenze i500 inverter talks BACnet MS/TP directly. Its PICS lists 77 fixed objects: 16 binary values that trigger the drive's mappable network functions (run forward, quick stop, reset and so on), status bits from the drive status word, a frequency setpoint and readings as analog values, and a mailbox for reading and writing any drive parameter.

This page lists 77 BACnet objects for the Lenze i500 inverter (BACnet MS/TP) — 34 of them writable — with each object’s type, instance number, name, engineering units and access. It is re-typed from Lenze’s own free documentation, linked below.

Manufacturer: Lenze
Model: i500 inverter (BACnet MS/TP)
Equipment: Variable frequency drive
Equipment type: VFDs & pumps
BACnet objects: 77 (34 writable)
Transport: BACnet MS/TP
Firmware: Firmware V01.04, application software V05.02.00.xx
Also known as: i500, Lenze i500, i510, i550, I51AE, Lenze i500 BACnet
Source document: Lenze i500 BACnet Protocol Implementation Conformance Statement · PICS V01.04 · rev. 2018-04-23

Download CSV 77 rows Download EDE B.I.G.-EU JSON Manufacturer PDF ↗ Download Easy BACnet Mobile App Google Play

BMS integration notes: Lenze i500 inverter (BACnet MS/TP)

Integration in brief

Use AV 9 Network Control to hand control to BACnet, write the frequency setpoint to AV 0 and run with BV 4 Run forward (default mapping). Read BV 22 running, AV 13 frequency, AV 17 current and BV 20 fault, and reset with BV 7. Check the 0x400E mapping on site, since BV 0-15 can be remapped.

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
BV 4	Run forward	Run command (default mapping)	Command
AV 9	Network Control	Activates network control (0x2631:037)	Command
AV 0	Net.freq 0.01	Frequency setpoint in 0.01 Hz	Command
BV 7	Reset error	Reset a tripped drive (default mapping)	Command
BV 22	E:Running Forward	Running forward status	Read
BV 25	E:Control from Network	Drive is under network control	Read
AV 13	Frequency 0.01	Actual output frequency	Read
AV 17	Motor Current	Motor amps	Read
BV 20	E:Faulted/Trip	Any active drive fault	Read
AV 14	Error Code	Active error code	Read

Enable & remote start

AV 9 Network Control (0x2631:037) activates network control and AV 8 sets the default setpoint source (0x2860:001); BV 25 and BV 26 show when network control and the network setpoint are active. The PICS gives no values for AV 8 or AV 9; see the i500 manual.

Sensors & values from the BMS

AV 1 PID Setpoint takes a network PID setpoint (in the PID unit) when the drive's process controller is used.

Network setup

MS/TP baud rates 9600 to 115200 are listed in the PICS.
ReinitializeDevice needs a password.
Set the 0x400E function mapping before configuring the BMS, so the BV 0-15 names stay accurate.

Watch out for

BV 0-15 meanings depend on parameters 0x400E:001-016; the defaults are shown.
AV 10 Save Parameters writes the drive's memory; don't write it cyclically.
AI 1 name says AI1 but reads terminal AI2.

Lenze i500 inverter (BACnet MS/TP) 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.

77 of 77 shown

Type

Access

Units

Show

Lenze i500 inverter (BACnet MS/TP) BACnet Points List
			Description			States
AI	0	AI1 terminal %	Analog input at terminal AI1 (0x2DA4:001)	%	Read
AI	1	AI1 terminal %	Analog input at terminal AI2 (0x2DA5:001)	%	Read
AO	0	NetWordIN3	Analog output value (0x4008:003)	%	Command
AVmin	0	Net.freq 0.01	Network frequency setpoint (0x400B:005)	0.01 Hz	Command
AV	1	PID Setpoint	Network PID setpoint, PID unit (0x400B:007)		Command
AV	2	Target torque	Target torque (0x6071)	%	Command
AV	3	Accelerat. time 1	Acceleration time 1 (0x2917)	sec	Write
AV	4	Decelerat. Time 1	Deceleration time 1 (0x2918)	sec	Write
AV	5	QSP dec. time	Quick stop deceleration time (0x291C)	sec	Write
AV	6	Reserved	Reserved		Read
AV	7	Reserved	Reserved		Read
AV	8	Freq. setp. src.	Default setpoint source (0x2860:001)		Command
AVmin	9	Network Control	Activate network control (0x2631:037)		Command
AV	10	Save Parameters	Save parameters (0x2022:003)		Write
AV	11	Mailbox Parameter	Parameter index/subindex for mailbox, 0xAAAABB00		Write
AV	12	Mailbox Data	Mailbox value read or to write		Write
AVmin	13	Frequency 0.01	Actual frequency (0x400C:006), 0.01 Hz	Hz	Read
AVmin	14	Error Code	Error code (0x603F)		Read
AV	15	Drive Status	Drive status (0x400C:005)		Read
AV	16	Motor Voltage	Motor voltage (0x2D89)	V	Read
AVmin	17	Motor Current	Motor current (0x2D88)	A	Read
AV	18	Current Actual	Motor load, % of rated (0x6078)	%	Read
AV	19	Effective power	Effective output power (0x2DA2:001)	kW	Read
AV	20	Apparent power	Apparent output power (0x2DA2:002)	kVA	Read
AV	21	Heatsink temp.	Heatsink temperature (0x2D84:001)	°C	Read
AV	22	DC-bus voltage	DC bus voltage (0x2D87)	V	Read
AV	23	PID process var.	PID actual feedback, PID unit (0x401F:002)		Read
AV	24	Torque Actual	Actual torque, % of nominal (0x6077)	%	Read
AV	25	Active control	Active control source (0x282B:001)		Read
AV	26	Active setpoint	Active setpoint source (0x282B:002)		Read
AV	27	Reserved	Reserved		Read
AV	28	Reserved	Reserved		Read
AV	29	Reserved	User object 1 when set up as AV		Write
AV	30	Reserved	User object 2 when set up as AV		Write
BI	0	Digital Input 1	Status of digital input 1		Read	0=Not Active, 1=Active
BI	1	Digital Input 2	Status of digital input 2		Read	0=Not Active, 1=Active
BI	2	Digital Input 3	Status of digital input 3		Read	0=Not Active, 1=Active
BI	3	Digital Input 4	Status of digital input 4		Read	0=Not Active, 1=Active
BI	4	Digital Input 5	Status of digital input 5		Read	0=Not Active, 1=Active
BV	0	Not active	Reserved (no function mapped by default)		Command	0=Not Active, 1=Active
BV	1	Not active	Reserved (no function mapped by default)		Command	0=Not Active, 1=Active
BV	2	Quick stop	Quick stop (default map 0x400E:003 = 3)		Command	0=Not Active, 1=Active
BV	3	Not active	Reserved (no function mapped by default)		Command	0=Not Active, 1=Active
BVmin	4	Run forward	Run forward (default map 0x400E:005 = 8)		Command	0=Not Active, 1=Active
BV	5	Setp: Preset b0	Preset setpoint select bit 0 (default map)		Command	0=Not Active, 1=Active
BV	6	Setp: Preset b1	Preset setpoint select bit 1 (default map)		Command	0=Not Active, 1=Active
BVmin	7	Reset error	Reset error (default map 0x400E:008 = 4)		Command	0=Not Active, 1=Active
BV	8	Not active	Reserved (no function mapped by default)		Command	0=Not Active, 1=Active
BV	9	DC braking	DC braking (default map 0x400E:010 = 5)		Command	0=Not Active, 1=Active
BV	10	Not active	Reserved (no function mapped by default)		Command	0=Not Active, 1=Active
BV	11	Not active	Reserved (no function mapped by default)		Command	0=Not Active, 1=Active
BV	12	Reverse rot. dir.	Reverse direction (default map 0x400E:013 = 13)		Command	0=Not Active, 1=Active
BV	13	Not active	Reserved (no function mapped by default)		Command	0=Not Active, 1=Active
BV	14	Not active	Reserved (no function mapped by default)		Command	0=Not Active, 1=Active
BV	15	Not active	Reserved (no function mapped by default)		Command	0=Not Active, 1=Active
BV	16	Mailbox Read	Write 1 to read the parameter set in AV 11		Write	0=Not Active, 1=Active
BV	17	Mailbox Write	Write 1 to write AV 12 into the parameter in AV 11		Write	0=Not Active, 1=Active
BV	18	Reserved	Reserved		Read	0=Not Active, 1=Active
BV	19	Reserved	Reserved		Read	0=Not Active, 1=Active
BVmin	20	E:Faulted/Trip	Fault/trip active		Read	0=Not Active, 1=Active
BV	21	E:Warning Active	Warning active		Read	0=Not Active, 1=Active
BVmin	22	E:Running Forward	Running forward		Read	0=Not Active, 1=Active
BV	23	E:Running Reverse	Running reverse		Read	0=Not Active, 1=Active
BV	24	E:Ready	Drive ready		Read	0=Not Active, 1=Active
BVmin	25	E:Control from Network	Network control active		Read	0=Not Active, 1=Active
BV	26	E: Reference from Network	Network setpoint active		Read	0=Not Active, 1=Active
BV	27	E:At Reference	At reference speed		Read	0=Not Active, 1=Active
BV	28	Profile State bit0	Profile state bit 0 (0x400C:001)		Read	0=Not Active, 1=Active
BV	29	Profile State bit1	Profile state bit 1 (0x400C:001)		Read	0=Not Active, 1=Active
BV	30	Profile State bit2	Profile state bit 2 (0x400C:001)		Read	0=Not Active, 1=Active
BV	31	Profile State bit3	Profile state bit 3 (0x400C:001)		Read	0=Not Active, 1=Active
BV	32	E:PID active	Process (PID) controller active		Read	0=Not Active, 1=Active
BV	33	E:Torque mode active	Torque mode active		Read	0=Not Active, 1=Active
BV	34	E:Current Limit	Current limit reached		Read	0=Not Active, 1=Active
BV	35	E:DC Brake Active	DC braking active		Read	0=Not Active, 1=Active
BV	36	Reserved	User object 1 when set up as BV		Write	0=Not Active, 1=Active
BV	37	Reserved	User object 2 when set up as BV		Write	0=Not Active, 1=Active

Integration notes

BV 0-15 trigger whatever functions drive parameters 0x400E:001-016 are mapped to; names and descriptions are the factory defaults and don't update if the mapping is changed later.
Changing the BV 0-15 mapping raises the device's database revision.
AI 1 is printed with the name 'AI1 terminal %' but reads terminal AI2.
Access 'R/W/C' is shown as commandable and 'R/E' (event notification) as read-only.
AV 29/30 and BV 36/37 are user objects; access and units depend on the parameter mapped into them.
Units for AV 0 are printed as 0.01Hz; AV 13 is listed in Hertz but read from a 0.01 Hz parameter.

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. Easy BACnet scans a network for BACnet IP devices from an Android phone, reads every object on the i500 inverter (BACnet MS/TP) 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 Lenze i500 inverter (BACnet MS/TP)

How many BACnet points does the Lenze i500 inverter (BACnet MS/TP) have?

This list has 77 BACnet objects: 2 analog inputs, 1 analog output, 31 analog values, 5 binary inputs, 38 binary values. The exact set on a given unit depends on its firmware, installed options and configuration.

Which Lenze i500 inverter (BACnet MS/TP) BACnet points are writable?

34 of the 77 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 Lenze i500 inverter (BACnet MS/TP) BACnet documentation?

The source is Lenze i500 BACnet Protocol Implementation Conformance Statement (PICS V01.04), revision 2018-04-23, published free by Lenze at https://www.bacnetinternational.net/catalog/manu/lenze%20americas/lenze_i500_bacnet_pics_v01_04.pdf.

What are the minimum BACnet points to integrate the Lenze i500 inverter (BACnet MS/TP)?

Start with BV 4 Run forward (Run command (default mapping)); AV 9 Network Control (Activates network control (0x2631:037)); AV 0 Net.freq 0.01 (Frequency setpoint in 0.01 Hz); BV 7 Reset error (Reset a tripped drive (default mapping)); BV 22 E:Running Forward (Running forward status); BV 25 E:Control from Network (Drive is under network control); AV 13 Frequency 0.01 (Actual output frequency); AV 17 Motor Current (Motor amps); BV 20 E:Faulted/Trip (Any active drive fault); AV 14 Error Code (Active error code).

How do I enable BMS control of the Lenze i500 inverter (BACnet MS/TP)?

Can the BMS supply sensor values to the Lenze i500 inverter (BACnet MS/TP)?

AV 1 PID Setpoint takes a network PID setpoint (in the PID unit) when the drive's process controller is used.

How do I check these points on the real i500 inverter (BACnet MS/TP)?

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.

Source: Lenze i500 BACnet Protocol Implementation Conformance Statement · PICS V01.04 · rev. 2018-04-23. Object names, instances and units are reproduced as published; descriptions are our own.