Siemens SIMATIC S7-1200 Manuale - Pagina 13

Sfoglia online o scarica il pdf Manuale per Interruttore Siemens SIMATIC S7-1200. Siemens SIMATIC S7-1200 40. Controlling several fans (ebm-papst) via modbus rtu
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3 Principle of Operation

3.2 Blocks

Figure 3-4: Block call diagram for SIMATIC S7-1500

Main

[OB1]

Cyclic interrupt

[OB30]

The UssCyclic and UssCyclicInterrupt user blocks use optimized block access.

3.2

Blocks

3.2.1

Call

All activities relating to processing USS communication for the communication

module with the parameterized hardware ID should be combined in this block.

Figure 3-5: UssCyclicInterrupt user FB

The block name is intended to indicate that the block is called by the cyclic interrupt

OB.

SINAMICS V20 at S7-1200/1500 via USS

Entry ID: 109480894,

V1.0,

UssCyclic

[FB1]

UssCyclicInterrupt

[FB2]

User program

09/2018

USS_Drive_Control

[FB631]

USS_Port_Scan

[FB630]

System blocks

InstUssCyclic

[DB1]

(instance DB of FB

UssCyclic

)

instUssDriveControl

USS_DB

InstUssCyclicInterrupt

[DB2]

(instance DB of FB

UssCyclicInterrupt

)

Data blocks