... 1.3 S7- 1200 modules S7- 1200 Programmable controller 24 System Manual, 04/2012, A5E02486680-06 1.3 S7- 1200 modules Table 1- 7 S7- 1200 expansion modules Type of module Description ① Status ... 837 C.9 Documentation 837 Index 839 Table of contents S7- 1200 Programmable controller 18 System Manual, 04/2012, A5E02486680-06 S7- 1200 Programmable controller System Manual, 04/2012, ... 1.1 Introducing the S7- 1200 PLC S7- 1200 Programmable controller System Manual, 04/2012, A5E02486680-06 21 Table 1- 2 Blocks, timers and counters supported by S7- 1200 Element Description Type...