Siemens Simatic SM331 User Manual

Testing the user program
7.2 Visualization of the sensor values
SM331; AI 8x12 Bit Getting Started part 1: 4 -20mA
Getting Started, 11/2006, A5E00253410-02
7-3
Variable description
Variables Description
DB1.DBW 0 Channel 0 Display of analog value
DB1.DBW 2 Channel 1 Display of analog value
DB1.DBW 4 Channel 2 Display of analog value
DB1.DBW 6 Channel 3 Display of analog value
DB1.DBW 8 Channel 4 Display of analog value
DB1.DBW 10 Channel 5 Display of analog value
DB1.DBW 12 Channel 6 Display of analog value
DB1.DBW 14 Channel 7 Display of analog value
DB2.DBD 0 Transducer1 current (mA)
DB2.DBD 4 Transducer2 current (mA)
DB2.DBD 8 Transducer3 current (mA)
MW 100 Status hardware interrupt
MW 200.0 Acknowledge hardware interrupt
M101.0 Channel 0 exceeded low limit
M101.1 Channel 0 exceeded high limit
M101.2 Channel 2 exceeded low limit
M101.3 Channel 0 exceeded high limit

Siemens Simatic SM331 Specifications

General

Brand	Siemens
Model	Simatic SM331
Category	Control Unit
Language	English