Mitsubishi Electric MELSEC iQ-R Series User Manual page 286

No. Name
SD243 Number of base
slots
SD244
SD250 Latest I/O for
mounted module
SD260 Number of points
assigned for bit
devices
SD261
SD262
SD263
SD264
SD265
SD266
SD267
SD280 Number of points
assigned for word
devices
SD281
SD282
SD283
APPX
284
Appendix 5 Special Register List
Description Details
Number of base The number of slots of the base unit, which is specified in the base/power
slots supply/extension cable setting in the system parameters, is stored. When
the number of slots of the base unit is not specified in the system
parameter, that of the mounted base unit is stored.
b15
SD243
SD244
• 0: Base unit
• 1 to 7: Extension base unit 1 to 7
Latest I/O number The value of the last I/O number of the mounted module + 1 which is
for mounted module divided by 16 is stored.
Example 1: Last input number: 010FH
• SD250: 0011H
Example 2: Last input number: 0FFFH
• SD250: 0100H
Number of points The number of points of the device X currently set is stored as 32-bit data.
assigned for X (L)
Number of points
assigned for X (H)
Number of points The number of points of the device Y currently set is stored as 32-bit data.
assigned for Y (L)
Number of points
assigned for Y (H)
Number of points The number of points of the device M currently set is stored as 32-bit
assigned for M (L) data. The number of points assigned is stored even when the number of
points assigned to M is 32K points or less.
Number of points
assigned for M (H)
Number of points The number of points of the device B currently set is stored as 32-bit data.
assigned for B (L) The number of points assigned is stored even when the number of points
assigned to B is 32K points or less.
Number of points
assigned for B (H)
Number of points The number of points of the device D currently set is stored as 32-bit data.
assigned for D (L) The number of points assigned is stored even when the number of points
assigned to D is 32K points or less.
Number of points
assigned for D (H)
Number of points The number of points of the device W currently set is stored as 32-bit
assigned for W (L) data. The number of points assigned is stored even when the number of
points assigned to W is 32K points or less.
Number of points
assigned for W (H)
b12 b11 b8 b7
3 2 1
7 6 5
Set by (when to set)
S (initial)
b4 b3 b0
0
4
S (initial)
S (initial)
S (initial)
S (initial)
S (initial)
S (initial)
S (initial)