A
pp
en
di
x
A
D
at
a
Ty
pe
s
&
M
em
.M
ap
A
pp
en
di
x
E
D
L3
05
M
em
or
y
M
ap
A--2
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
C0
C0
772
376
TMR
T600
K100
CNT C600
K10
R600
K100
T600
SR
400
417