Duration: Prerequisites:
5 days Delegates should have a basic understanding of PLCs or have attended one of our Introductory or Multi-Skill courses & be familiar with Microsoft Windows. This course is for people with no prior knowledge of Siemens S7-1200 or 1500 PLC systems.
Aims:
The Level 1 M&T course equips maintenance personnel with the essential knowledge & skills to maintain & troubleshoot S7-1200 or 1500 PLC systems. Attendees will be able to work safely & competently with common S7-1200 & 1500 hardware, be able to connect a PC/laptop/PG to the PLC, access the correct project/program, correctly interpret basic program code & interrogate the PLC to diagnose basic machine or process problems.
Content:
Introduction to Siemens S7-1200 & 1500 hardware Introduction to main hardware components for S7-1200 & 1500 PLCs Understand main external diagnostic indicators Understand system, power & field I/O wiring connections Understand the purpose of the different communication ports & how to configure Understand memory options & how to work with the Memory Card Be aware of the implications of Firmware revisions on the functionality of S7-1200 PLCs Understand how the PLC responds to a power cycle or status mode change
S7 Terminology & Structure of S7-1200 & 1500 programmes Understand referencing for field I/O points & internal markers Know there are five possible programming methods (LAD, FBD, STL, GRAPH, SCL) Introduce the main program Block types that make up an S7 program Introduce simple single bit S7 Instructions & how they work Understand the purpose of different block types in typical S7 programs Understand the structure of bit, byte, word & double word addressing Understand the correlation between S7 & IEC data types including Timers & Counters Understand the range of S7 Timer & Counter functions & how they work Introduction to reading & interpreting FBD & STL program code Understand the use of SCL (instead of STL) with S7-1200 PLCs Introduction to Data Handling with Comparators & Arithmetic Instructions Know how Analog signals are handled by S7, know how to find & monitor them Introduction to Data Blocks, how they are structured & how to display them Be aware of & able to read, trace & monitor simple SCL code Know how to access Cross Reference information to improve fault-finding Know how to use the program element Search & Replace tool Know how to access & use the offline & online Task cards Diagnostic Tools & Troubleshooting Procedures Know how to localise an S7 problem for efficient fault-finding Know how & where to use a meter to check digital & analog I/O circuits Understand when to use the Memory Reset function & what it does Know how to set-up & use Watch Tables to monitor multiple addresses Know how to set-up & use Watch Tables to modify variables Know how to use the Force function & understand the dangers & limitations Know how to set up & use the Trace facility for monitoring & diagnostics Know how to access & interpret the Diagnostics Buffer to diagnose faults
Running & Using TIA-Portal STEP7 v. 11, 12/13 software Know how to run STEP7 software & get on-line to the PLC over Ethernet Understand Device configuration & the implications when swapping failed modules Accessing simple program code & navigating the main block types Understand the concept of an “S7 Project� & what this contains Recognise & interpret basic screen highlights for simple LAD Contact & Coil Instructions Know how to relate screen status to the state of I/ O LEDs & devices in the field Display of on-screen program documentation Be aware of & able to read, trace & monitor simple FBD & STL code
Siemens S7-1200 & 1500 PLC Level 1 M&T2
Siemens S7-1200 & 1500 PLC Level 1 M&T
System Maintenance Procedures Know how to Retrieve an S7 program from a PC/PG Know how to re-load a program into an S7 PLC Know how to Compare a program in the S7 with an off-line copy to check it is the same Know how to create a new Project in order to back-up an S7 system Know how to Upload a program from an S7 PLC Know how to Archive an S7 Project to disk Know how to replace & re-configure a suspect or failed S7 module with an exact match Know how to adjust Timer & Counter values Know how to work with CPUs using MMC memory Know how to upgrade S7-1200 Firmware revisions where possible Know how to make minor software modifications to prove status or add functionality
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