Festo CPX-2AA-U-I, Electronic Manual

Page: 107 / 228

3. An al ogu e i npu t modu le CPX− 4AE −I
3−25
F est o P. BE −CPX− A X− E N e n 0503 b
C h anne l p a r amete r s : Low e r l imit c h anne l x / Upp e r l imit c h anne l x
Re m a rk If t h e i npu t v al u e is less t h a n t h e p a r a m et r ize d l ow e r li m it or e xc ee d s t h e p a r a m e
t r ize d upp e r li m it, a n a ppropr iate fa u lt is d is p la y e d ( prov i d i ng t h e
r ele v a n t ch a nn el p a r a m ete r Mon it or i ng ch a nn el x mon it or i ng l ow e r li m it " or
Mon it or i ng ch a nn el x mon it or i ng upp e r li m it " is a c ti v e).
Th e upp e r li m it mu st al w a y s b e mor e t h a n t h e l ow e r li m it.
Mod ifi c ati on s t o t h e li m its mu st b e m a d e i n ste p s o f 16 b its.
Pe rm itte d li m its:
Th e li m its a r e ch e ck e d f or v ali d it y dur i ng p a r a m et r izi ng . I nv ali d p a r a m et r izi ng s
a r e no t a cc e p te d t h e modu le u ses t h e pr e v i ou s (last v ali d ) p a r a m et r izi ng s.
Th e p e rm itte d v al u es d e p e nd on t h e p a r a m et r ize d d ata f orm at (see se c ti on
3. 4 .5). If t h e modu le p a r a m ete r Mon it or i ng p a r a m et r izi ng fa u lts " as w ell as t h e
r ele v a n t ch a nn el p a r a m ete r Mon it or i ng p a r a m et r izi ng fa u lts " is set t o a c ti v e " ,
t h e r ele v a n t fa u lt w ill b e d is p la y e d .
T a b .3 / 16: Low e r a nd upp e r li m its ch a nn el x