Duration:
5 days
Prerequisites:
Delegates should have a basic understanding of PLCs or have attended one of our Introductory or Multi-Skill courses & have some familiarity with Microsoft Windows. This course is for people with no prior knowledge of Siemens S7-300/400 PLC systems.
Aims:
The M&T course equips maintenance personnel with the essential knowledge & skills to maintain & troubleshoot S7-300/400 PLC systems. Attendees will be able to work safely & competently with common S7-300/400 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 S7-300/400 hardware Introduction to main hardware components 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 S7 memory options, which areas are retentive & how to work with MMC Understand how the PLC responds to a power cycle or status mode change
Siemens S7 300-400 PLC Level 1 M&T
Siemens S7 300-400 PLC Level 1 M&T
S7 Terminology & Structure of S7-300/400 programs Understand referencing for field I/O points & internal markers Know there are three main program display modes (LAD, FBD, STL) Introduce the main S7 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 & how to monitor Understand the structure of bit, byte, word & double word addressing Introduction to reading & interpreting FBD & STL program code Understand the range of S7 Timer & Counter functions & how they work Introduction to Data Handling with S7, 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 Running & Using STEP7 v5.5 software Know how to run STEP7 v5.5 software, get on-line (MPI/DP & PN ports) 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 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 make minor software modifications to prove status or add functionality
Diagnostic Tools & Troubleshooting Procedures Know how 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 Monitor/Modify Variables (VAT) to monitor multiple points Know how to set-up & use Monitor/Modify Variables (VAT) to modify variables Know how to use the Force function & understand the dangers & limitations Know how to access & interpret the Diagnostics Buffer to diagnose faults HEALTH WARNING Topics that cover Creating or Editing Program Code & Editing TMR/CTR Values & other Data Values will be covered during the course but should have a HEALTH WARNING attached to them for the foreseeable future until people have been able to demonstrate that they are able to comply with the Company PLC Safe Working Practices & Change Management Procedures
Kiowa is not liable for the use or applications that differs from what is confirmed in their technical catalogue, product sheets, offers, order confirmations and recommendations contained in them.
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