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Heat / energy meter (via gateway) · BACnet points list
Caleffi CONTECA EASY 750 series heat meter via gateway 755052 BACnet points list
Updated 12 November 2026
CONTECA EASY 750 is a heating and cooling energy meter. Through the Caleffi 755052 gateway it appears on BACnet MS/TP or BACnet IP as read-only Analog Inputs for heating and cooling energy, four pulse inputs (e.g. hot and cold water meters), power, flow, flow and return temperatures and an alarm/status word. Every value is mapped twice: AI 1-14 in SI units and AI 15-28 in imperial units.
This page lists 28 BACnet objects for the Caleffi CONTECA EASY 750 series heat meter via gateway 755052 — 0 of them writable — with each object’s type, instance number, name, engineering units and access. It is re-typed from Caleffi’s own free documentation, linked below.
- Manufacturer
- Caleffi
- Model
- CONTECA EASY 750 series heat meter via gateway 755052
- Equipment
- Heat / energy meter (via gateway)
- Equipment type
- Thermostats, sensors & meters
- BACnet objects
- 28 (0 writable)
- Transport
- BACnet MS/TP, BACnet IP
- Firmware
- Not stated
- Also known as
- CONTECA EASY, Conteca_Easy_750_Series, 750 series, 7500, Caleffi heat meter BACnet, Caleffi 755052
Reference only, provided as-is: verify against Caleffi’s current documentation and the live device before use. Not official Caleffi information. Terms of use.
BMS integration notes: Caleffi CONTECA EASY 750 series heat meter via gateway 755052
Add the Conteca_Easy_750_Series profile and the meter's Modbus Node-ID in the gateway, then read heating and cooling energy, power, flow and temperatures. Decode AI 14 for meter errors.
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 |
|---|---|---|---|
| AI 3 | Heating Energy | Heating energy, kWh | Read |
| AI 4 | Cooling Energy | Cooling energy, kWh | Read |
| AI 9 | Power | Thermal power, kW | Read |
| AI 10 | Flow Rate | Flow rate, m³/h | Read |
| AI 11 | Flow Temperature | Flow temperature, °C | Read |
| AI 12 | Return Temperature | Return temperature, °C | Read |
| AI 14 | Alarm/Status | Alarm/status bits (sensor, flow, battery) | Read |
Network setup
- The gateway (a ProtoNode FPC-N54) ships with fixed Caleffi profiles; pick the profile and the device's Modbus Node-ID in its web configurator (default IP 192.168.1.24, user admin, password on the gateway label).
- The BACnet device instance is derived from the Modbus Node-ID (1-255), which must be unique per device.
- Serves BACnet MS/TP or BACnet IP; set Virtual Server Nodes to Yes when several devices share one gateway.
- Meter Modbus port: 9600 baud, 8 data bits, 1 stop bit, parity Even (factory default) or None.
Watch out for
- Map either the SI or the imperial block to avoid double counting.
Caleffi CONTECA EASY 750 series heat meter via gateway 755052 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.
Note: the source document has no read/write column, so access here is inferred from the object type (inputs read-only, values writable). Confirm on the live controller before writing.
| Description | States | |||||
|---|---|---|---|---|---|---|
| AI | 1 | Product | Product code (7500) | Read | ||
| AI | 2 | ID | Modbus ID, 1-250 | Read | ||
| AImin | 3 | Heating Energy | Heating energy | kWh | Read | |
| AImin | 4 | Cooling Energy | Cooling energy | kWh | Read | |
| AI | 5 | Pulse Input 1 | Pulse input 1 (DHW) | m³ | Read | |
| AI | 6 | Pulse Input 2 | Pulse input 2 (DCW) | m³ | Read | |
| AI | 7 | Pulse Input 3 | Pulse input 3 | m³ / kWh | Read | |
| AI | 8 | Pulse Input 4 | Pulse input 4 | m³ / kWh | Read | |
| AImin | 9 | Power | Thermal power | kW | Read | |
| AImin | 10 | Flow Rate | Flow rate | m³/h | Read | |
| AImin | 11 | Flow Temperature | Flow temperature | °C | Read | |
| AImin | 12 | Return Temperature | Return temperature | °C | Read | |
| AI | 13 | Delta Temperature | Flow minus return temperature | Read | ||
| AImin | 14 | Alarm/Status | Alarm and status bits | Read | bit 0=T Flow error, bit 1=T Return error, bit 2=No flow rate, bit 3=Valve internal leakage, bit 6=Battery error, bit 7=No credit, bits 8-12=Measurement unit error C0-C4 | |
| AI | 15 | Product (Imperial Units) | Product code (7500), imperial | Read | ||
| AI | 16 | ID (Imperial Units) | Modbus ID, 1-250, imperial | Read | ||
| AI | 17 | Heating Energy (Imperial Units) | Heating energy, imperial | kBTU | Read | |
| AI | 18 | Cooling Energy (Imperial Units) | Cooling energy, imperial | kBTU | Read | |
| AI | 19 | Pulse Input 1 (Imperial Units) | Pulse input 1 (DHW), imperial | kgal | Read | |
| AI | 20 | Pulse Input 2 (Imperial Units) | Pulse input 2 (DCW), imperial | kgal | Read | |
| AI | 21 | Pulse Input 3 (Imperial Units) | Pulse input 3, imperial | kgal / kBTU | Read | |
| AI | 22 | Pulse Input 4 (Imperial Units) | Pulse input 4, imperial | kgal / kBTU | Read | |
| AI | 23 | Power (Imperial Units) | Thermal power, imperial | kBTU/h | Read | |
| AI | 24 | Flow Rate (Imperial Units) | Flow rate, imperial | GPM | Read | |
| AI | 25 | Flow Temperature (Imperial Units) | Flow temperature, imperial | °F | Read | |
| AI | 26 | Return Temperature (Imperial Units) | Return temperature, imperial | °F | Read | |
| AI | 27 | Delta Temperature (Imperial Units) | Flow minus return temperature, imperial | Read | ||
| AI | 28 | Alarm/Status (Imperial Units) | Alarm and status bits, imperial | Read | bit 0=T Flow error, bit 1=T Return error, bit 2=No flow rate, bit 3=Valve internal leakage, bit 6=Battery error, bit 7=No credit, bits 8-12=Measurement unit error C0-C4 |
No points match these filters.
Object ID lookup: Caleffi CONTECA EASY 750 series heat meter via gateway 755052 point IDs by name
AI1ProductAI2IDAI3Heating EnergyAI4Cooling EnergyAI5Pulse Input 1AI6Pulse Input 2AI7Pulse Input 3AI8Pulse Input 4AI9PowerAI10Flow RateAI11Flow TemperatureAI12Return TemperatureAI13Delta TemperatureAI14Alarm/StatusAI15Product (Imperial Units)AI16ID (Imperial Units)AI17Heating Energy (Imperial Units)AI18Cooling Energy (Imperial Units)AI19Pulse Input 1 (Imperial Units)AI20Pulse Input 2 (Imperial Units)AI21Pulse Input 3 (Imperial Units)AI22Pulse Input 4 (Imperial Units)AI23Power (Imperial Units)AI24Flow Rate (Imperial Units)AI25Flow Temperature (Imperial Units)AI26Return Temperature (Imperial Units)AI27Delta Temperature (Imperial Units)AI28Alarm/Status (Imperial Units)
Integration notes
- The guide prints no read/write column; all objects are meter readings and are listed read-only.
- AI 1-14 are SI units; AI 15-28 repeat them in imperial units.
- Alarm/Status is a bit word: T flow/return errors, no flow, valve internal leakage, battery error, no credit, measurement unit errors C0-C4.
- Pulse inputs 1 and 2 are labelled DHW and DCW; inputs 3 and 4 can count volume or energy.
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 CONTECA EASY 750 series heat meter via gateway 755052 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 Caleffi CONTECA EASY 750 series heat meter via gateway 755052
How many BACnet points does the Caleffi CONTECA EASY 750 series heat meter via gateway 755052 have?
This list has 28 BACnet objects: 28 analog inputs. The exact set on a given unit depends on its firmware, installed options and configuration.
Which Caleffi CONTECA EASY 750 series heat meter via gateway 755052 BACnet points are writable?
None of the listed objects are marked writable in the source documentation. The source has no read/write column, so this is inferred from object type.
Where is the official Caleffi CONTECA EASY 750 series heat meter via gateway 755052 BACnet documentation?
The source is Start-up Guide for the gateway MODBUS RTU / BACnet, Code 755052, Appendix 7 CONTECA_EASY_750_SERIES Modbus RTU mappings to BACnet (H0004703.03), revision 2024, published free by Caleffi at https://www.caleffi.com/sites/default/files/media/external-file/h0004703_EN.pdf.
What are the minimum BACnet points to integrate the Caleffi CONTECA EASY 750 series heat meter via gateway 755052?
Start with AI 3 Heating Energy (Heating energy, kWh); AI 4 Cooling Energy (Cooling energy, kWh); AI 9 Power (Thermal power, kW); AI 10 Flow Rate (Flow rate, m³/h); AI 11 Flow Temperature (Flow temperature, °C); AI 12 Return Temperature (Return temperature, °C); AI 14 Alarm/Status (Alarm/status bits (sensor, flow, battery)).
How do I check these points on the real CONTECA EASY 750 series heat meter via gateway 755052?
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.
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Source: Start-up Guide for the gateway MODBUS RTU / BACnet, Code 755052, Appendix 7 CONTECA_EASY_750_SERIES Modbus RTU mappings to BACnet · H0004703.03 · rev. 2024. Object names, instances and units are reproduced as published; descriptions are our own.