2-2
2.2 Digital and Register Allocations
〝*〞is default, user configurable
Typee
Symbol Item Range Remarks
X Digital Input (DI)
X0～X255 (256)
Y Digital Output (DO)
Y0～Y255 (256)
Mapping to external digital I/O
TR Temporary Relay
TR0～TR39 (40)
For branched points
Non-Retentive
M0～M799 (800)*
M1400～M1911 (512)
Internal
Relays
Retentive
M800～M1399 (600)*
M0～M1399 configurable as
Non-retentive or Retentive, M1400～
M1911 are fixed to Non-retentive
M
Special Relay
M1912～M2001 (90)
Non-Retentive
S0～S499 (500)*
S20～ S499 configurable as Retentive
S
Step
Relays
Retentive
S500～S999 (500)*
S500～S999 configurable as Non-retentive
T Timer contact status
T0～T255 (256)
Digital 《 Bit Status 》
C Counter contact status
C0～C255 (256)
0.01STime Base
T0～ T49 (50)*
0.1S Time Base
T50～T199 (150)*
TMR
CV of
Timer
Register
1S Time Base
T200～T255 (56)*
The quantity of
each time base can be configured
Retentive
C0～C139 (140)*
Configurable as Non-retentive
16-bit
Non-Retentivee
C140～C199 (60)*
Configurable as Retentive
Retentive
C200～C239 (40)*
Configurable as Non-retentive
CTR
CV of
Counter
Register
32-bit
Non-Retentive
C240～C255 (16)
Configurable as Retentive
Retentive
R0～R2999 (3000)*
D0～D3999 (4000)
DR
or
HR
Data
Registers
Non-Retentive
R3000～R3839 (840)*
R0～R3839 configurable as
Non-retentive or Retentive,
D0～D3999 are fixed to Retentive
IR Input Registers
R3840～R3903 (64)
Map to external AI Register input
OR Output Registers
R3904～R3967 (64)
Map to external AO /Register output
System Special Registers
R3968～R4167 (200)
D4000～D4095 (96)
High-Spped Timer Register
R4152～R4154 (3)
Hardware (4sets)
DR4096～DR4110
HSC
Registers
Software(4sets)
DR4112～DR4126
Minute Second R4129 R4128
Day Hour R4131 R4130
Year Month R4133 R4132
Special Register
Calendar
Registers
Week R4134
Data Registers
R5000～R8071(3072)*
As general purpose registers if ROR not
been configured.
DR
or
ROR
Read Only Registers
R5000～R8071(0)*
Configurable as ROR for recipe like
application
FR File Registers
F0～F8191(8192)
Need dedicated instruction to access
Register 《 Word Data 》
XR Index Registers
V,Z (2)、 P0～ P9 (10)
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