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Beckhoff Automation s.r.o.

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CX8091 | Embedded PC with BACnet/IP or OPC UA

CX8091 | Embedded PC with BACnet/IP or OPC UA

CX8091 | Embedded PC with BACnet/IP or OPC UA

Power LEDs
E-bus or K-bus
Coupler
supply
Input for
power contacts
Power contacts
Front flap
Ethernet port
Link/Act
Ethernet RJ45 (switched)
10/100 Mbit/s
Link/Act
Ethernet RJ45 (switched)
10/100 Mbit/s
Address selector
CX8091 | Embedded PC with BACnet/IP or OPC UA

CX8091 | Embedded PC with BACnet/IP or OPC UA

CX8000 Embedded PC series | PC Control redefines small controllers

CX8000 Embedded PC series | PC Control redefines small controllers

The CX8091 is a control system with a switched Ethernet port. It supports either the BACnet or OPC UA protocols. Simultaneous use is not recommended due to the small memory. K-bus or E-bus terminals can be attached as required; the CX8091 automatically recognizes the type of I/O system connected during the start-up phase. The control system is programmed with TwinCAT 2 via the fieldbus interface or the additional Ethernet interface.

BACnet (Building Automation Control Network) is a standardized, manufacturer-independent communication protocol for building automation. Areas of application include HVAC, lighting control, safety and fire alarm technology.

The TwinCAT OPC UA Server provides the functionality of the OPC Unified Architecture (UA) specification. In addition to data access techniques UA also specifies the data coding and the transport protocols.

Product status:

regular delivery

Product information

Technical dataCX8091
ProcessorARM9, 400 MHz
Number of cores1
Flash memory512 MB microSD (optionally expandable)
Main memory64 MB DDR2 RAM (not expandable)
Persistent memory1-second UPS (for 1 MB persistent data)
Programming languagesIEC 61131-3
Web visualizationyes
Online changeyes
Up/down load codeyes/yes
Interfaces1 x RJ45 10/100 Mbit/s, 1 x USB device (behind the front flap), 1 x bus interface
Bus interface2 x RJ45 (switched)
Diagnostics LED1 x TC status, 1 x WD, 1 x error
Clockinternal battery-backed clock for time and date (battery behind the front flap, exchangeable)
Operating systemWindows Embedded CE 6
Control softwareTwinCAT 2 PLC
I/O connectionE-bus or K-bus, automatic recognition
Web-based managementyes
Current supply E-bus/K-bus2 A
Max. power consumption3 W
Dimensions (W x H x D)64 mm x 100 mm x 73 mm
Weightapprox. 180 g
Operating/storage temperature0…+55 °C/-25…+85 °C
Relative humidity95%, no condensation
Vibration/shock resistanceconforms to EN 60068-2-6/EN 60068-2-27
EMC immunity/emissionconforms to EN 61000-6-2/EN 61000-6-4
Protection ratingIP20
Approvals/markingsCE, UL, ATEX, IECEx, cFMus
Ex markingATEX:
II 3 G Ex nA IIC T4 Gc
II 3 D Ex tc IIIC T135 °C Dc
IECEx:
Ex nA IIC T4 Gc
Ex tc IIIC T135 °C Dc
cFMus:
Class I, Division 2, Groups A, B, C, D
Class I, Zone 2, AEx ec IIC T4 Gc
Options
CX1900-01231 GB microSD card, instead of 512 MB microSD card*
CX1900-01252 GB microSD card, instead of 512 MB microSD card*
CX1900-01274 GB microSD card, instead of 512 MB microSD card*
CX1900-01298 GB microSD card, instead of 512 MB microSD card*
CX1900-013116 GB microSD card, instead of 512 MB microSD card*
*Only available as flash memory extension in combination with a CX CPU module on order. Suitable for CX70xx, CX80xx, CX81xx, CX9020.
Accessories
CX1900-0122512 MB microSD card
CX1900-01241 GB microSD card
CX1900-01262 GB microSD card
CX1900-01284 GB microSD card
CX1900-01308 GB microSD card
CX1900-013216 GB microSD card

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