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STEP 7 user program

STL Explanation

Call SFC 13

REQ :=TRUE

LADDR :=W#16#3FE

RET_VAL :=MW 0

RECORD :=P#DB82.DBX 0.0 BYTE 96

BUSY :=M2.0

Read request

Diagnostic address of the ET 200iSP

RET_VAL from SFC 13

Data compartment for the diagnostics in DB 82

Read process runs over several OB1 cycles

7.13.3 Diagnostic messages of the electronic modules with PROFIBUS

Introduction

You can set parameters for the diagnostic messages of the following modules:

• Digital input modules

• Digital output modules

• Analog input modules

• Analog output modules

Digital input modules

Table 7-20 Digital input modules

Diagnostic message Applicability Can be set

Short-circuit Channel Yes

Wire break Channel Yes

Error Module No

External fault Channel No

Digital output modules

Table 7-21 Digital output modules

Diagnostic message Applicability Can be set

Short-circuit Channel Yes

Wire break Channel Yes

Error Module No

Actuator disconnection Channel Yes

Enabling the actuator disconnection by means of the group diagnostics parameter

Commissioning and Diagnostics

7.13 Diagnostics with STEP 7 with PROFIBUS

ET 200iSP

198 Operating Instructions, 11/2022, A5E00247483-AK

Siemens SIMATIC ET 200iSP User Manual

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