Series HMI Connection Manual b. Contacts 1) The unit of PLC internal memory is byte and Device S is read in the unit of byte. It is recommended NOT TO USE two consecutive devices S as the read address to prevent occurrence of interference. For example, when choosing two numeric input device, please use S24 and S26, do not use S24 and S25. 16 V1.00 Revision March, 2010 Format Type Read/Write Range Data Length Note Word No. (n) General Purpose Word Data D Dn D00000 – D31999 Word Step Controller S Sn S0 – S99 Byte 1 Format Type Word No. (n) Read/Write Range Note Bit No.
(b) Input X Xnb X0000 – X511F Output Y Ynb Y0000 – Y511F General Purpose Relay M Mnb M0000 – M999F General Purpose Relay L Lnb L0000 – L999F Latch Relay K Knb K0000 – K999F Flags F Fnb F0000 – F127F Timer Status T Tb T0000 – T4095 Counter Status C Cb C0000 – C4095 NOTE