Product features

• CAN bus coupler modules (BL 210/B)

• EtherCAT bus coupler modules for the connection of remote

I/O modules (BL 270/A, BL 270/B, BL 272/A, BL 272/B)

• Additionally integrated digital inputs (BL 27x/A) or

outputs (BL 27x/B)

• Support of remote modules for serial interfaces

and fieldbus interfaces (BL 272/A, BL 272/B)

• Electronic parameter chip

Digital inputs (only BL 27x/A)

Number / type of inputs 4x type 1 (acc. to EN 61131-2)

Voltage range for “1” 15 V ≤ UH ≤ 30 V

Voltage range for “0”-3 V ≤ UL ≤ 5 V

Status display Green LED

Cycle time 1 ms

Usable as interrupt inputs Yes

Response time of the K-bus interrupt 100 μs with 5 kHz input filter

Galvanic isolation No

Debouncing Configurable 1 ms, 100 ms

Digital outputs (only BL 27x/B)

Number of outputs 4

Nominal voltage 24 V DC

Processing time 1 ms

Nominal current of digital outputs 0.5 A at 100  % simultaneity per group

Galvanic isolation No

Status display Orange LED

Protection facility Short-circuit protection

Max. inductive load 100 mJ at 1 Hz