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BC5250 | DeviceNet Compact Bus Terminal Controller

BC5250 | DeviceNet Compact Bus Terminal Controller

BC5250 | DeviceNet Compact Bus Terminal Controller

Status display
fieldbus,
power LEDs
K-bus
Bus Coupler
supply
Input for
power contacts
Power contacts
Fieldbus connection
Address selector
Configuration and
programming interface
Address selector
BC5250 | DeviceNet Compact Bus Terminal Controller

BC5250 | DeviceNet Compact Bus Terminal Controller

The Bus Terminal Controllers are Bus Couplers with integrated PLC functionality. The “Compact” BC5250 Bus Terminal Controller for DeviceNet extends the Beckhoff small controller series by a cost-optimized version in a compact housing. The DeviceNet Controller offers automatic baud rate detection up to 500 kbaud and two address selection switches for address assignment.

The Bus Terminal Controller is programmed using the TwinCAT 2 programming system according to IEC 61131-3. The configuration/programming interface on the BC5250 is used to load the PLC program. If the software PLC TwinCAT is in use, the PLC program can also be loaded via the fieldbus. The inputs and outputs of the connected Bus Terminals are assigned in the default setting of the PLC. Each Bus Terminal can be configured in such a way that it exchanges data directly through the fieldbus with the higher-level automation device. Similarly, pre-processed data can be exchanged between the Bus Terminal Controller and the higher-level controller via the fieldbus.

Controller for distributed signal processing

The programming system TwinCAT for the BC5250 operates, independently of the manufacturer, in accordance with IEC 61131-3. The PLC programs can be written in five different programming languages (IL, FBD, LD, SFC, ST). In addition, TwinCAT offers extensive debug functionalities (breakpoint, single step, monitoring, …), which facilitate commissioning. It is also possible to perform adjustment and measurement of the cycle time.

Product status:

regular delivery (not recommended for new projects) | recommended alternative: BX5200

Product information

PLC dataDeviceNet | BC5250
ProgrammingTwinCAT (via programming interface or fieldbus)
Program memory48 kbytes
Data memory32 kbytes
Remanent data2 kbytes
Runtime system1 PLC task
PLC cycle timeapprox. 3 ms for 1,000 instructions (without I/O cycle, K-bus)
Programming languagesIEC 61131-3 (IL, LD, FBD, SFC, ST)
Online changeyes
Technical dataBC5250
Number of Bus Terminals64 (255 with K-bus extension)
Max. number of bytes fieldbus512 byte input and 512 byte output
Max. number of bytes process image512 byte input and 512 byte output
Digital peripheral signals512 inputs/outputs
Analog peripheral signals128 inputs/outputs
Configuration possibilityvia KS2000 or fieldbus
Data transfer ratesautomatic detection up to 500 kbaud
Bus interfaceopen style connector, 5-pin
Serial interfaceprogramming and configuration interface
Power supply24 V DC (-15 %/+20 %)
Input current320 mA max.
Current supply K-bus1750 mA
Power contactsmax. 10 A
Electrical isolation500 V (power contact/supply voltage)
Weightapprox. 100 g
Operating/storage temperature-25…+60 °C/-40…+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
Protect. rating/installation pos.IP20/variable
Approvals/markingsCE, UL, ATEX, IECEx
Ex markingATEX: II 3 G Ex ec IIC T4 Gc
IECEx: Ex ec IIC T4 Gc
Housing dataBKxx50, BCxx50
Design formcompact terminal housing with signal LEDs
Materialpolycarbonate
Dimensions (W x H x D)44 mm x 100 mm x 68 mm
Installationon 35 mm DIN rail, conforming to EN 60715 with lock
Side by side mounting by means ofdouble slot and key connection
Markinglabeling of the BZxxx series
Wiringsolid conductor (s), flexible conductor (st) and ferrule (f): spring actuation by screwdriver
Connection cross-sections*: 0.08…2.5 mm²,
st*: 0.08…2.5 mm²,
f*: 0.14…1.5 mm²
Stripping length8…9 mm
Current load power contactsImax: 10 A

*s: solid wire; st: stranded wire; f: with ferrule

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