介绍了关于STEP7-V5.4授权的详细说明，提供西门子PLC编程的技术资料的下载。

西门子SIMATIC STEP 7 V5.4密钥 直接安装使用

2016年西门子最新授权工具Sim_EKB_Install_2016_05_06,包含最新版本的wincc7.4,博途v14,pcs7 v8.2等授权

给STEP7 V5.5授权。安装STEP7 V5.5后，先不要启动，完成授权后，再启动安装好的STEP7 V5.5。

西门子SINUMERIK_STEP7_TOOlBox

STEP7 V5.5中文授权软件，中文KEY

STEP7-MicroWIN-SMART-V2.8安装包

内含详细的帮助文件（英文），解决各种授权出问题的情况 没分的请到网盘下载： http://www.400gb.com/file/54873134 PCS7 v8.0, TIA Poprtal, WinCC and key9999 Problems with new ALM v5 Simatic IT Business Objects Enterprise signed keys Official FAQ FastCopy keys v3.0 1843 keys v2013.12.25 add some info for Simatic Net v12 //MD5: 0ade8808e789e6e704e66b0877c1c04f *Sim_EKB_Install_2013_12_25.exe v2013.12.10 add some info for Simocode v12 // MD5: 10a0c74548ba89b80e98f2664289ba79 v2013.12.02 add some info for PDM v8.1 v2013.12.01 add some info for Softnet Security Client v4.0 v2013.05.26 add some info for WinCC v7.2 v2013.03.08 fix 1 key for TIA Portal v12 v2013.03.03 add TIA Portal v12, S7-Technology, fix Unicode bug for some new keys folder v2013.03.01_test add TIA Portal v12 with some bug for all Unicode version from v2012.10.12 v2013.01.21 fix bug with PID v11.0 keys, add some info for D7-SYS v8.0 v2012.10.12 add Chinese language (possible Cyryllic chars in the European interfaces :) ASCII > Unicode v2012.09.29 add some info for Easy Motion v11.0, SinuTrain 4.4 v2012.07.29 add some info for PID v11.0 *but with error :( v2012.07.23 add some info for Simotion Scout v4.3 v2012.07.19 add some info for Telecontrol Server Basic v2.0 and fix comment bug v2012.07.18 add some info for PDM v6.1. v2012.03.08 add some info for PCS7 v8.0. v2012.02.26 add some info forWinCC Flexible 2008 SP3, Simatic Net v8.1. Fixed bug of euristic engine. v2012.01.26 add some info for Simatic Net v8.1 14/05/2011 add some info for TIA Portal V11 15/02/2011 This internal version for testing add some keys 11/10/2010 add some info for.... 10/10/2010 add one info for "SIK/ SIMATIC S5 PMC IE V7.0" ("A9S5IE70") 09/09/2010 add some info for WinCC DowntimeMonitor, WinAC, fix bug for comp and Virtual Machine with 1 HardDisk partition 09/05/2010 add keys for WinCC Flexible 2008 SP2 options v1.3, Sinaut, fixed one ALM v5 bug 20/04/2010 add some keys Safety Matrix, PCS7 powerrate, PCS7 CFC AS RT SIFPZASRPX9999A 20/03/2010 add some keys, "option Recommended" and info about closed PLC.NET.RU and reopened http://plcforum.uz.ua 26/08/2009 add keys for TIA Portal v10.5, Braumat, Maintenance Station 2009 04/04/2009 add keys for WinAC MP 2008, PCS7 v7.1 22/12/2008 add keys for WinAC 2008, Simatic Net 2008, RF-Manager 2008 20/08/2008 add keys for WinCC Flexible 2008 24/07/2008 Open FastCopy v3 key option 21/07/2008 add keys for WinCC v7.0 29/06/2008 add keys for PID Tools v5.2, D7-SYS v7.0, PowerControl, RF-Manager 14/03/2008 add keys for Simatic IT and multikey description 23/02/2008 add keys for CEMAT v7.0 , WinCC v6.2 and PCS7 v7.0 18/02/2008 add keys for Simocode 2007 15/02/2008 add keys for DocPro 5.4, WinAC MP 2007, Soft Starter 2007 and fix error for "New" folder07/12/2007 add keys for Sinema E 2006 and fix error for Motor Starter 2007 (but add bug - not install keys from "New" folder) 30/11/2007 add keys for Motor Starter 2007, Net 2007 27/11/2007 add keys for SmartLabel v3.0 HF1, WinAC/RTX 2005 SP3 07/11/2007 Add and change some Tags keys for WinCC v6.2 and PCS7 v7.0

详细介绍了step7 300和400的使用技巧，从组态硬件到软件组态，还有与wincc等的通讯

Step7中PID控制的实现方法rar,Step7中PID控制的实现方法