Festo Контроллер позиционирования CPX-CMAX - Manual (Page 169)

A. Technical appendix
A−7
Festo P.BE−CPX−CMA X−SYS−EN en 0908NH
A.3 Additional pneumatic circuits
You may require additional pneumatic circuits in order to
attain a particular status for the system in certain applicaĆ
tions.
Note
If the operating voltage for the CMAX is switched off, the
VPWP proportional directional control valve will move to
the mid−position. Due to the asymmetrical voltage−presĆ
sure curve of the proportional directional control valve
when the supply pressure is switched on, the slide can
move slowly into one of the end positions.
Additional information
The Guide To Safety Technology" brochure contains detailed
information on:
ć Directives and norms
ć Machine guidelines and DIN EN ISO 13849−1
ć Definition and concept of risk
ć Risk assessment
ć Directive−compliant procedure for safe design (as per
EN ISO 12100)
ć Control architectures (as per DIN EN ISO 13849−1)
ć Operating modes and safety functions
ć Sample circuit diagrams
ć Festo products
ć Services
The Guide To Safety Technology" brochure is available on
the Internet at:
è
www.festo.com