rajendrad
Member
IN THE RECENT COMMISSIONING I HAD FACED SIEMENS MAKE ANALOG OUTPUT CARD FAILURES.WHILE CHECKING THE SYSTEM I NOTICED THAT 24VDC INPUT TO THE CARD IS VARYING FROM 19VDC-25VDC.THIS IS BECAUSE SOLENOID LOAD IS ALSO ON THE SAME POWER SUPPLY.IS SUCH POWER SUPPLY WILL CAUSE FAILUARE OF ANALOG OUTPUT CARDS ???????????