Chapter 6 Applied Instructions API 2501 Symbol: S 1 ： Name of the SFC POU S 2 ： Function code Word Explanation: 1. The designated SFC POU of S 1 will pause according to the setups of S 2 . 2. When the instruction is executed, the SFC POU designated by S 1 will be paused only when the SFC POU is being scanned. 3. When pausing, the status and the parameters such as SFC/STEP/ACTION/TRANSITION of the SFC will be kept. 4. Operand: S 1 defines the name of the SFC POU. When S 2 =0, all the executing actions of the SFC and the outputs will be kept, and the system will not run the final scan.
When S 2 =1, all the executing actions and the outputs of the SFC POU will be cleared, and the system will run the final scan.. 5. The range of S 2 is 0 to 1. When it is out of range, it will be seen as 0. 6. When the state of the SFC POU is PAUSE/STOP, executing this instruction is invalid. Example: Please refer to the SFCRUN programing example for more information. Additional Remark: Please refer to ISPSoft User Manual for more information related to SFC. 6-547 Instruction code Operand Function SFCPSE S ，S 1 2 SFC Pause Device X Y M S T C HC D L SM SR E K 16# “$” DF S 1 S 2 Pulse instruction 16-bit instruction (5 steps) 32-bit AH500 -