Siemens Simatic SM331 Getting Started page 4

Table of contents
7 Testing the user program........................................................................................................................ 7-1
7.1 Downloading system data and user program ............................................................................ 7-1
7.2 Visualization of the sensor values.............................................................................................. 7-3
7.3 Analog value representation ...................................................................................................... 7-8
8 Diagnostic interrupt................................................................................................................................. 8-1
8.1 Reading diagnostic information from a PG ................................................................................ 8-1
8.2 General diagnostics ................................................................................................................... 8-3
8.3 Channel dependent diagnostic interrupts .................................................................................. 8-4
8.3.1 There are five channel dependent diagnostic interrupts............................................................ 8-4
8.3.2 Configuration / programming error............................................................................................. 8-4
8.3.3 Common mode error .................................................................................................................. 8-4
8.3.4 Wire break .................................................................................................................................. 8-5
8.3.5 Underflow ................................................................................................................................... 8-5
8.3.6 Overflow ..................................................................................................................................... 8-6
9 Hardware interrupt .................................................................................................................................. 9-1
9.1 Hardware interrupt ..................................................................................................................... 9-1
A Appendix.................................................................................................................................................A-1
A.1 Source of the user program .......................................................................................................A-1
Index................................................................................................................................................ Index-1
iv
SM331; AI 8x12 Bit Getting Started part 1: 4 -20mA
Getting Started, 11/2006, A5E00253410-02