Micro Win — Simatic Step 7

| Category | Instruction | LAD Symbol | Description | |----------|-------------|------------|-------------| | | Normally Open | --| |-- | Contact closed when bit = 1 | | | Normally Closed | --|/|-- | Contact closed when bit = 0 | | | Output | --( )-- | Coil sets bit | | | Set/Reset | --(S)-- / --(R)-- | Latch/unlatch | | Timers | TON | TON | On-delay timer | | | TOF | TOF | Off-delay timer | | | TONR | TONR | Retentive on-delay | | Counters | CTU | CTU | Count up | | | CTD | CTD | Count down | | | CTUD | CTUD | Up/down counter | | Math | ADD, SUB, MUL, DIV | ADD_I | Integer, double integer, real | | Move | MOV_B, MOV_W, MOV_DW | MOV_W | Copy data | | Compare | CMP =, <>, <, >, <=, >= | CMP_I | Compare integer values | | Conversion | BCD_I, I_BCD, ROUND, TRUNC | DI_R | Convert between formats | | Table/Shift | FILL, FIFO, LIFO, SHL, SHR | SHR_B | Shift register |