What is IEC en 61131 2?

Sections of IEC 61131 Part 2: Equipment requirements and tests – establishes the requirements and associated tests for programmable controllers and their peripherals. This standard can serve as a basis in the evaluation of safety programmable controllers to IEC 61508.

What is IEC1131?

IEC-1131 is the first international standard for process control software. By using IEC-1131, a programmer can develop a control algorithm for a particular brand of controller, and import that same program to another brand with minimum modifications, primarily to process input/output subsystems.

Is an International Electrotechnical Commission standard for industrial controllers that has seven parts?

IEC 61131
IEC 61131 is an International Electrotechnical Commission (www.iec.ch) standard for industrial controllers that has seven parts. IEC 61131-3 defines programming languages.

What are the 5 languages defined for use by IEC 61131-3?

IEC 61131-3 Programming Languages are LD, SFC, FBD, CFC and ST. Sequential Function Chart is a graphical language great for expressing state machines and appeals to the graphical nature of engineers.

What is Ulint?

UDINT – Unsigned double integer (4 byte) ULINT – Unsigned long integer (8 byte)

What is IEC 61131?

This part of IEC 61131 constitutes Part 2 of a series of standards on programmable controllers and the associated peripherals and should be read in conjunction with the other parts of the series.

What does IEC 60947-5-1 stand for?

IEC 60947-5-1 :I 997, Low-voltage switchgear and controlgear – Part 5-1: Control circuit devices and switching elements – Electromechanical control circuit devices IEC 60947-7-1 :2002, Low-voltage switchgear and controlgear – Part 7-1: Ancillary equipment

What are the IEC requirements for selv insulation?

– 84 – 61 131-2 O IEC:2003(E) For SELV/PELV circuits and ungrounded accessible parts, the requirements for double insulation shall apply to the clearance and creepage distances between these and hazardous live parts.

What does [IEV 60151-03-281] isolate mean?

[IEV 60151-03-281 (To) isolate – To disconnect completely a device or circuit from other devices or circuits. NOTE 2 To provide (by separation) a specified degree of protection from any live circuit. [IEV 60151-03-291