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X series PLC supports BD board expansion function, supports up to 2 BD boards, and can be flexibly configured according to requirements to meet on-site application requirements when the additional demand for digital or analog points of the machine is not large.


Small size. Compared with the previously thought expansion module, the BD expansion board is only 1/10 of the expansion module.

Flexible combination. It can support 2 BD boards at the same time. There are various types of expansion boards and can be mixed and matched with each other, and can be combined flexibly according to needs.

High cost performance. Flexible points can make the products configured by customers more full, avoid unnecessary waste of points, and be more economical in cost

Easy to install. X series PLC body comes with BD board slot, plug and play, more convenient and beautiful

Exquisite appearance, BD board can be organically integrated with X series PLC, the overall structure is more compact, flat and refreshing

Model No.


Order No.


  Side View

  technical parameters


product information

BD board type


order number


Input characteristics

Number of digital input points


Rated voltage

24V DC

Logic "0" voltage range

0~5V DC

Logic "1" voltage range

15~30V DC

Signal input type


Optical isolation (field to logic)

500V AC , 1 minute

Output characteristics

Number of digital output points


output type




Rated voltage

24V DC

voltage range

20.4~28.8V DC

Rated current


lamp load




  Wiring diagram

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