6BK1621-0AA00-0AA0

**6BK1621-0AA00-0AA0** 

**Data sheet** 

SIMATIC PN/BACnet LINK coupling module for Profinet to BACnet/IP Fieldbus, Device-Profile: B-GW, IP20 

|SIMATIC PN/BACnet LINK coupling module for Profinet to BACnet/IP Fieldbus,<br>Device-Profile: B-GW, IP20<br>**General information**<br>Product type designation<br>PN/BACnet Link<br>Firmware version<br>● FW updatepossible<br>Yes<br>Vendor identification(VendorID)<br>7<br>Product function<br>● I&M data<br>Yes<br>● Isochronous mode<br>No<br>Engineeringwith<br>● STEP 7 TIA Portal configurable/integrated from version<br>V14 SP1<br>● PROFINET from GSD version/GSD revision<br>GSDML V2.3.x<br>**Installation type/mounting**<br>Mounting<br>DIN rail, wall mounting,portrait mounting<br>Mounting position<br>any<br>Recommended mounting position<br>Horizontal<br>Rail mounting<br>Yes<br>Control cabinet installation<br>Yes<br>**Supply voltage**<br>Type of supplyvoltage<br>DC<br>Rated value(DC)<br>24 V<br>permissible range, lower limit(DC)<br>20.4 V<br>permissible range, upper limit(DC)<br>28.8 V<br>Reversepolarity protection<br>Yes<br>Overvoltageprotection<br>Yes<br>Short-circuitprotection<br>Yes<br>Mains buffering<br>● Mains/voltage failure stored energytime<br>10 ms<br>**Input current**<br>Current consumption(rated value)<br>0.11 A<br>Current consumption, max.<br>0.13 A<br>**Power loss**<br>Power loss, typ.<br>2.7 W<br>**Interfaces**<br>Supportsprotocol for PROFINET IO<br>● automatic detection of transmission rate<br>No<br>● Transmission rate, max.<br>100 Mbit/s<br>● Number of RJ45ports<br>2<br>● Number of FC(FastConnect)connections<br>2<br>PROFINET functions<br>~~|~~<br>~~ee~~<br>~~|~~<br>~~Oe~~<br>~~Oc|~~<br>~~|~~<br>~~tt~~<br>~~EE~~<br>~~— ——~~<br>~~ed~~|SIMATIC PN/BACnet LINK coupling module for Profinet to BACnet/IP Fieldbus,<br>Device-Profile: B-GW, IP20||
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|● Assignment of the IP address, supported|Yes|
|---|---|
|● Assignment of the device name, supported|Yes|
|**1. Interface**||
|Interface type|BACnet/IP|
|Isolated|Yes; 1 500 V AC or 2 250 V DC|
|Interface types||
|● RJ 45(Ethernet)|Yes|
|● Number ofports|1|
|● Design of the connection|RJ45|
|BACnet||
|● BACnet deviceprofile|B-GW|
|● Supported character sets|ISO 10646(UTF-8)|
|● Network Security|No|
|● Number if BACnet objects/object references|1 000|
|● Number of subscription services|1 000|
|**2. Interface**||
|Interface type|PROFINET|
|Isolated|Yes; 1 500 V AC or 2 250 V DC|
|Interface types||
|● RJ 45(Ethernet)|Yes|
|● Number ofports|2|
|● integrated switch|Yes|
|Protocols||
|● PROFINET IO device|Yes|
|● Open IE communication|Yes|
|**Interrupts/diagnostics/status information**||
|Status indicator|Yes|
|Alarms|Yes|
|Diagnostics function|Yes|
|Diagnostics indication LED||
|● RUN LED|Yes|
|● ERROR LED|Yes|
|● MAINT LED|Yes|
|● LINK LED|Yes|
|● RX/TX LED|Yes|
|**Potential separation**||
|Potential separation exists|Yes|
|**Degree and class of protection**||
|IP degree of protection|IP20|
|**Standards, approvals, certificates**||
|CE mark|Yes|
|UL approval|Yes|
|cULus|Yes|
|RCM(formerlyC-TICK)|Yes|
|KC approval|Yes|
|PNO certificate|Yes|
|BTL certificate|Yes|
|RoHS conformity|Yes|
|Ecological footprint||
|● environmentalproduct declaration|Yes|
|Global warming potential||
|—global warming potential,(total) [CO2 eq]|50.8 kg|
|— global warming potential, (during production) [CO2<br>eq]|14.4 kg|
|— global warming potential, (during operation) [CO2<br>eq]|36.8 kg|
|— global warming potential, (after end of life cycle)<br>[CO2 eq]|-0.52 kg|
|**Ambient conditions**||



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|Ambient temperature duringoperation<br>~~Lee~~|Ambient temperature duringoperation<br>~~Lee~~|Ambient temperature duringoperation<br>~~Lee~~|Ambient temperature duringoperation<br>~~Lee~~|
|---|---|---|---|
|● horizontal installation, min.|-25 °C|||
|● horizontal installation, max.|60 °C|||
|● vertical installation, min.|-25 °C|||
|● vertical installation, max.|55 °C|||
|● ceilinginstallation, min.|-25 °C|||
|● ceilinginstallation, max.|45 °C|||
|● floor installation, min.|-25 °C|||
|● floor installation, max.<br>~~||~~|45 °C<br>~~||~~|||
|Ambient temperature duringstorage/transportation<br>~~||~~||||
|● min.|-40 °C|||
|● max.<br>~~a~~|85 °C<br>~~a~~|||
|Relative humidity<br>~~a~~||||
|● Operation, max.|95 %|||
|**Dimensions**<br>~~|~~||||
|Width<br>~~|~~|70 mm<br>~~|~~|||
|Height<br>~~ee~~|112 mm<br>~~ee~~|||
|Depth<br>~~ee~~|75 mm<br>~~ee~~|||
|**Weights**||||
|Weight, approx.|210g|||
|**Classifications**<br>~~|~~||||
|eClass<br>eClass<br>eClass<br>eClass<br>eClass<br>eClass<br>eClass<br>ETIM<br>ETIM<br>ETIM<br>ETIM<br>IDEA<br>UNSPSC<br>~~|~~||**Version**<br>~~|~~|**Classification**<br>~~|~~|
|||14<br>12<br>9.1<br>9<br>8<br>7.1<br>6<br>10<br>9<br>8<br>7<br>4<br>15|27-24-22-08<br>27-24-22-08<br>27-24-22-08<br>27-24-22-08<br>27-24-22-08<br>27-24-22-08<br>27-24-22-08<br>EC001423<br>EC001423<br>EC001423<br>EC001423<br>3564<br>32-15-17-05|
|**Approvals / Certificates**<br>~~pT~~||||
|**General Product Approval**<br>~~pT~~||||



|**Approvals / Certificates**<br>~~pT~~|**Approvals / Certificates**<br>~~pT~~|**Approvals / Certificates**<br>~~pT~~|**Approvals / Certificates**<br>~~pT~~|**Approvals / Certificates**<br>~~pT~~|**Approvals / Certificates**<br>~~pT~~|
|---|---|---|---|---|---|
|**General Product Approval**||||||
|Manufacturer Declara-<br>tion<br>~~—~~|€|@|FL|Manufacturer Declara-<br>tion|China RoHS|
|**EMV**|**Environment**|**Industrial Communication**||||
|||PROFINET||||
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|**last modified:**|||5/21/2026|||



Subject to change without notice © Copyright Siemens 

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5/28/2026