Port Sizes and NAMUR Solenoid Valves

CRIMINAL

I agree with Masu. No one knows what every acronym means. I know what NAMUR is though I don't know what the letters mean. I've been to their website and it still doesn't say. At least not precisely.

For answers to your question, take a look at their website http://www.namur.de/start/?L=2.

Just for info NAMUR is just another standards organization. We've got a million of 'em.

NAMUR is the acronym for the German Chemical Industry Working Party that produced this standard. - Normen Arbeitgemeinschaft fur Mass Und Regeltechnik.

I would hazard a guess the glaring response to this query emphasizes my point adequately.

Normen Arbeitgemeinschaft fur Mass Und Regeltechnik, stands for

Standardization association for measurement and control in chemical industries—short NAMUR

It was founded at Leverkusen, Germany, on 3 November 1949 as the body to represent the interests of the users of measurement and control technology in the chemical industry. Their activities include : measuring, open and closed loop control, automatisation communication and operation technology throughout the whole plant lifecycle from planning, assembly and operation to decommissioning. Some of their non mandatory standards are implemented extensively in Europe with regard to design of Control and Safety systems.

An example would be for limit detection such as by configuring the I/O channel properties NAMUR_ENA parameter provided on NAMUR type transmitters. (most manufacturers such as Honeywell an Rosemount supply this type as an option) When this feature is enabled (TRUE) and the IO_IN type is FIELD_VAL_PCT or HART_FIELD_VAL, the status of the input is set to Bad if the signal level is above 21 mA or below 3.6 mA for more than four seconds. The Bad status is cleared when the signal returns within these limits. This differentiates under range from BAD PV

Hope this information is of use..

Gary Miles Conoco Philips Paris