CEI EN 61131-2 : 2010

INTRODUCTION
1 General
2 Type tests
3 Terms and definitions
4 Normal service conditions
  and requirements
5 Functional requirements
6 Normal service and functional
  type tests and verifications
7 General information to be
  provided by the manufacturer
8 Electromagnetic compatibility
  (EMC) requirements
9 Electromagnetic compatibility
  (EMC) type tests and
  verifications
10 Electromagnetic compatibility
   (EMC) information to be
   provided by the manufacturer
11 Safety requirements
12 Safety type tests and
   verifications
13 Safety routine tests
14 Safety information to be
   provided by the manufacturer
Annex A (informative) - Illustration
        of PLC-system hardware
        definitions
Annex B (informative) - Digital input
        standard operating range
        equations
Annex C (normative) - Test tools
Annex D (informative) - Zone C EMC
        immunity levels
Annex E (informative) - Overvoltage
        example
Annex ZA (normative) - Normative
         references to international
         publications with their
         corresponding European
         publications

Describes requirements and related tests for programmable controllers (PLCs) and their associated peripherals (for example, programming and debugging tools (PADTs), human-machine interfaces (HMIs), etc.) which have as their intended use the control and command of machines and industrial processes.