DL205 User Manual, 4th Edition, Rev. B
Chapter 3: CPU Specifications and Operations
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DL230 Memory Map
NOTE 1:– The DL230 systems are limited to 256 discrete I/O points (total) with the present system
hardware available. These can be mixed between inputs and output points as necessary.
Memory Type
Discrete Memory
Reference (octal)
Word Memory
Reference (octal)
Qty. Decimal Symbol
Input Points X0 – X177 V40400 – V40407
128
1
Output Points Y0 – Y177 V40500 – V40507
128
1
Control Relays C0 – C377 V40600 – V40617 256
Special Relays
SP0 – SP117
SP540 – SP577
V41200 – V41204
V41226 – V41227
112
Timers T0 – T77 64
Timer Current Values None V0 – V77 64
Timer Status Bits T0 – T77 V41100 – V41103 64
Counters CT0 – CT77 64
Counter Current Values None V1000 – V1077 64
Counter Status Bits CT0 – CT77 V41140 – V41143 64
Data Words None V2000 – V2377 256
None specific, used with many
instructions
Data Words Non–volatile None V4000 – V4177 128
None specific, used with many
instructions
Stages S0 – S377 V41000 – V41017 256
System parameters None
V7620 – V7647
V7750–V7777
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None specific, used for various
purposes
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