DDC

DDC type: direct digital controller DDC|Siemens DDC|HoneywellDDC|azbil DDC|AHU automatic control DDC|DDCdirect digitalI/O Controller-POL 42X. Series |DDCdirect digitalI/O Controller-POL 63X Series |DDCdirect digitalI/O Controller-POL 68X Series |DDCdirect digitalI/O Controller(BACnet)-POL 600 Series |DDCControl