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Appendix E
DL305 Memory Map
E–5
DL305 Data Types and Memory Map
DL330 Memory Map
Memory Type Discrete Memory
Reference
(octal)
Register Memory
Reference
(octal)
Qty.
Decimal
Symbol
Input / Output
Points
000 157
700 767
R000 R015
R070 R076
168 Total
Control Relays 160 373 R016 R037 140
Special Relays 374 377
770 777
R037
R077
12
Timers /
Counters
600 673
674 677*
None 64
Timer / Counter
Current Values
None R600 R673
R674 R677*
64
Timer / Counter
Status Bits
T600 T673
T674 T677*
None 64
Data Words None R400 R563 116 None specific, used with many
instructions
Shift Registers 400 577 None 128
Special
Registers
None R574 R577 4 R574 R575 used with FAULT
R576 R577 Auxiliary Accumulator
* T/ C Setpoint Unit Only. Can be used as data registers if the Timer/Counter Setpoint Unit or Thumbwheel Interface Module is not used. R564 R573 contain the preset value used with the Timer /
Counter Setpoint Unit. R674 R677 contain the current values for these timers or counters.
000
010
C0C0
772
376
TMR T600
K100
CNT C600
K10
R600 K100
T600
SR
400
417
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