Mitsubishi Electric MELSEC iQ-R-R6SFM - Range of Use of Device Points

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21 DEVICES
21.2 Device Setting
Specify each item so that the total number of points for each user device does not exceed the capacity of the
device area. ( Page 95 Device/label memory area setting)
Range of use of device points
The following table lists the range of use of device points to be set in the device setting.
*1 This is the maximum number of points for the R120CPU with an extended SRAM cassette (16MB) (NZ2MC-16MBS). The number of
points varies depending on the model of the CPU module used, whether to use an extended SRAM cassette, and the type of its
cassette.
*2 The CPU module where the SFC function can be used supports this device. ( Page 1008 Added and Enhanced Functions)
Type Device name Symbol Range of use
*1
Increment of setting
Bit Input X X0 to X2FFF 
Bit Output Y Y0 to Y2FFF 
Bit Internal relay M M0 to M161882111 64 points
Bit Link relay B B0 to B9A61FFF 64 points
Bit Annunciator F F0 to F32767 64 points
Bit Link special relay SB SB0 to SB9A61FFF 64 points
Bit Edge relay V V0 to V32767 64 points
Bit Step relay
*2
S S0 to S16383 1024 points
Word Timer T T0 to T8993439 32 points
Word Retentive timer ST ST0 to ST8993439 32 points
Word Long timer LT LT0 to LT2529407 1 points
Word Long retentive timer LST LST0 to LST2529407 1 points
Word Counter C C0 to C8993439 32 points
Word Long counter LC LC0 to LC4761215 32 points
Word Data register D D0 to D10117631 4 points
Word Link register W W0 to W9A61FF 4 points
Word Link special register SW SW to SW9A61FF 4 points
Bit Latch relay L L0 to L32767 64 points