GE Series 90-30 PLC

GFK-0356Q Chapter 5 CPUs 5-11
5
User Memory Reference Types
The user references referred to in the following tables are explained in the
Series 90-30 PLC CPU
Instruction Set Reference Manual
, GFK-0467.
Table 5-4. Range and Size of User References for CPU Models 311-341
Reference (Memory) Type
Model 311/313/323 Model 331/340/341
Reference Range Size Reference Range Size
User program logic Not applicable 6K bytes Not applicable CPU331: 16K bytes
CPU340: 32K bytes
CPU341: 80K bytes
Discrete inputs %I0001 – %I0320* 512 bits %I0001 – %I0512 512 bits
Discrete outputs
%Q0001 – %Q0320
*
512 bits %Q0001 – %Q0512 512 bits
Discrete globals %G0001 – %G1280 1280 bits %G0001 – %G1280 1280 bits
Internal coils %M0001 – %M1024 1024 bits %M0001 – %M1024 1024 Bits
Temporary coils %T0001 – %T0256 256 bits %T0001 – %T0256 256 bits
System status references %S0001 – %S0032 32 bits %S0001 – %S0032 32 bits
%SA001 – %SA032 32 bits %SA0001 – %SA0032 32 bits
%SB001 – %SB032 32 bits %SB0001 – %SB0032 32 bits
%SC001 – %SC032 32 bits %SC0001 – %SC0032 32 bits
System register references %R0001 – %R0512 (311) 512 words %R0001 – %R2048 2K words (331)
%R0001 – %R1024 (313) 1024 words %R0001 – %R9999 9999 words (340/341)
Analog inputs %AI001 – %AI064 64 words %AI0001 – %AI0128 128 words (331)
%AI0001 – %AI1024 1024 words (340/341)
Analog outputs %AQ001 – %AQ032 32 words %AQ001 – %AQ064 64 words (331)
%AQ001 – %AQ256 256 words (340/341)
System registers** %SR001 – %SR016 16 words %SR001 – %SR016 16 words
* 160 physical I/O maximum with 16 point modules installed; 320 maximum with 32 point modules installed.
**
May be viewed only with a Hand-Held Programmer (see the Hand-Held Programmer User’s Manual, GFK-0402) ; may not be
referenced in a user’s logic program.