BC7300 BECKHOFF Modbus Bus Terminal Controller

Estimated Lead Time : 4-6 Weeks

Manufacturer : BECKHOFF

Part Number : BC7300

Modbus Bus Terminal Controller

Programming : TwinCAT (via programming interface or fieldbus)

Program memory : 32/96 kbytes

Data memory : 32/64 kbytes

Remanent data : 512 bytes

Runtime system : 1 PLC task

PLC cycle time : approx. 3 ms for 1,000 instructions (without I/O cycle, K-bus)

Programming languages : IEC 61131-3 (IL, LD, FBD, SFC, ST)

Online change : –

Number of Bus Terminals : 64

Max. number of bytes fieldbus : 512 byte input and 512 byte output

Digital peripheral signals : 256 inputs/outputs

Analog peripheral signals : 128 inputs/outputs

Protocol : RTU/ASCII (default: RTU)

Configuration possibility : by rotary switch or KS2000

Data transfer rates : 150, 300, 600, 1200, 2400, 4800, 9600, 19,200, 38,400 baud (default: 9600 baud)

Bus interface : D-sub 9-pin, RS485

Input current : 70 mA + (total K-bus current)/4, 500 mA max.

Starting current : 2.5 x continuous current

Recommended fuse : ≤ 10 A

Current supply K-bus : 1750 mA

Power contacts : max. 24 V DC/max. 10 A

Electrical isolation : 500 V (power contact/supply voltage/fieldbus)

Weight : approx. 170 g

Operating/storage temperature : 0…+55 °C/-25…+85 °C

Relative humidity : 95 %, no condensation

Vibration/shock resistance : conforms to EN 60068-2-6/EN 60068-2-27

EMC immunity/emission : conforms to EN 61000-6-2/EN 61000-6-4

Protect.rating/installation pos. : IP20/variable

Approvals/markings : CE, UL, ATEX, DNV GL

Ex marking : II 3 G Ex nA IIC T4 Gc

Design form : compact terminal housing with signal LEDs

Material : polycarbonate

Dimensions (W x H x D) : 51 mm x 100 mm x 69 mm

Installation : on 35 mm DIN rail, conforming to EN 60715 with lock

Side by side mounting by means of : double slot and key connection

Marking : labeling of the BZxxx series

Wiring : solid conductor (e), flexible conductor (f) and ferrule (a): spring actuation by screwdriver

Connection cross-section :

s*: 0.08…2.5 mm²,

st*: 0.08…2.5 mm²,

f*: 0.14…1.5 mm²

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

Stripping length : 8…9 mm

Current load power contacts : Imax: 10 A

Shipping weight : 3 kg