1-221.6 MELSEC-Q (CPU) SeriesPLC model selectionSelect "MELSEC-Q (CPU) series".Usable devicesBit/Word Device No. MemoBitDeviceInput Relay X000000-X001FFFOutput Relay Y000000-Y001FFFInternal Relay M000000-M032767Latch relay L000000-L032767Annunciator F000000-F032767Edge relay V000000-V032767Link Relay B000000-B007FFFSpecial relay SM000000-SM002047Link special relay SB000000-SB0007FFStep relay S000000-S008191Timer(contact) TS000000-TS023087Timer(coil) TC000000-TC023087Retentive timer(contact) SS000000-SS023087Retentive timer(coil) SC000000-SC023087Counter(contact) CS000000-CS023087Counter(coil) CC000000-CC023087WordDeviceInput Relay X000000-X001FF0 Specify address expression every 0Output Relay Y000000-Y001FF0 Specify address expression every 0Internal Relay M000000-M032752 Specify address expression every 16multiplesLatch relay L000000-L032752Annunciator F000000-F032752Edge relay V000000-V032752Link Relay B000000-B007FF0 Specify address expression every 0Special relay SM000000-SM002032Link special relay SB000000-SB0007F0Step relay S000000-S008176Timer(current) TN000000-TN023087Retentive timer(Current value) SN000000-SN023087Counter(current) CN000000-CN023087Data Register D000000-D025983Link Register W000000-W00657FLink special register SW000000-SW0007FFFile Register(for blocknumber) R000000-R032767File register(for sequentialnumber) ZR000000-ZR1042431Special register SD000000-SD002047
