DL205 User Manual, 4th Edition, Rev. B
Chapter 3: CPU Specifications and Operations
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DL240 Memory Map
NOTE 1: – The DL240 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 – X477 V40400 – V40423
320
1
Output Points Y0 – Y477 V40500 – V40523
320
1
Control Relays C0 – C377 V40600 – V40617 256
Special Relays
SP0 – SP137
SP540 – SP617
V41200 – V41205
V41226 – V41230
144
Timers T0 – T177 128
Timer Current Values None V0 – V177 128
Timer Status Bits T0 – T177 V41100 – V41107 128
Counters CT0 – CT177 128
Counter Current Values None V1000 – V1177 128
Counter Status Bits CT0 – CT177 V41140 – V41147 128
Data Words None V2000 – V3777 1024
None specific, used with many
instructions
Data Words Non–volatile None V4000 – V4377 256
None specific, used with many
instructions
Stages S0 – S777 V41000 – V41037 512
System parameters None
V7620 – V7737
V7746–V7777
106
None specific, used for various
purposes
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