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5Technical data

5.1 Technical data of the MC-PBM / MC-PBS communication card

Lenze · Controller-based Automation · PROFIBUS® Communication Manual · DMS 4.3 EN · 04/2014 · TD17

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5 Technical data

5.1 Technical data of the MC-PBM / MC-PBS communication card

I/O data of MC-PBM (master)

In the »PLC Designer« control configuration, a maximum of 125 PROFIBUS slaves (devices) can be

appended below a PROFIBUS master.

For each slave, a maximum of 244 input bytes and 244 output bytes, respectively, can be

transferred. Their data type is irrelevant in this context.

I/O data of MC-PBS (slave)

In the »PLC Designer« control configuration, a maximum of 24 I/O modules can be appended below

a PROFIBUS slave. It is irrelevant whether the modules in question are input or output modules, or

of which data type (BYTE, WORD) they are.

Area Values

Protocol PROFIBUS-DP (V0, V1), ISO 7498

Communication medium RS485

Network topology • Line terminated on both sides (without repeater)

• Tree (with repeaters)

Type within the network • MC-PBM: Master

• MC-PBS: Slave

Baud rate See "Bus cable length

" ( 24)

Bus length

Connection 9-pin Sub-D socket

Area Values

Number of DP-V0/DP-V1 slaves supported Max. 125

Cyclic output data Max. 3584 bytes

(status information is treated separately)

Total cyclic input data Max. 3584 bytes

Total cyclic output data Max. 3584 bytes

Cyclic input data per slave Max. 244 bytes/slave

Cyclic output data per slave Max. 244 bytes/slave

Configuration data Max. 244 bytes/slave

Area Values

Cyclic input data Max. 244 bytes

Cyclic output data Max. 244 bytes

Acyclic reading/writing Max. 240 bytes

Configuration data Max. 244 bytes

Application-specific parameter data 237 bytes

1 2 ... 17 18 19 20 21 22 23 24 25 26 27 ... 54 55

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