Memory Ranges And Features - Siemens SIMATIC S7 System Manual

E.5

Memory ranges and features

The following table provides the memory ranges and features for V2.3 CPUs. For CPUs of
firmware versions prior to V2.3, refer to the
CPU model and version.
Description
User program size
User data size
Process image input register
Process image output register
Analog inputs (read only)
Analog outputs (write only)
Variable memory (V)
Local memory (L)
1
Bit memory (M)
Special Memory Total
(SM)
Read
only
Timers
Retentive on-delay 1 ms
10 ms
100 ms
On/Off delay 1 ms
10 ms
100 ms
Counters
High-speed counters
S7-200 SMART
System Manual, V2.3, 07/2017, A5E03822230-AF
CPU CR20s, CPU SR20,
CPU CR30s, CPU ST20
CPU CR40s,
CPU CR60s
12 KB 12 KB
8 KB 8 KB
I0.0 to I31.7 I0.0 to I31.7
Q0.0 to Q31.7 Q0.0 to Q31.7 Q0.0 to Q31.7 Q0.0 to Q31.7
-- AIW0 to
AIW110
-- AQW0 to
AQW110
VB0 to VB8191 VB0 to
VB8191
LB0 to LB63 LB0 to LB63
M0.0 to M31.7 M0.0 to M31.7 M0 to M31.7
SM0.0 to SM0.0 to
SM2047.7 SM2047.7
SM0.0 to SM0.0 to
SM29.7 SM29.7
SMB480.0 to SMB480.0 to
SM515.7 SM515.7
SM1000.0 to SM1000.0 to
SM1699.7 SM1699.7
256 (T0 to 256 (T0 to
T255) T255)
T0, T64 T0, T64
T1 to T4, and T1 to T4, and
T65 to T68 T65 to T68
T5 to T31, and T5 to T31, and
T69 to T95 T69 to T95
T32, T96 T32, T96
T33 to T36, T33 to T36,
and and
T97 to T100 T97 to T100
T37 to T63, T37 to T63,
and and
T101 to T255 T101 to T255
256 (C0 to 256 (C0 to
C255) C255)
HC0 to HC3 HC0 to HC5
E.5 Memory ranges and features
S7-200 SMART System Manual
CPU SR30, CPU SR40,
CPU ST30 CPU ST40
18 KB 24 KB
12 KB 16 KB
I0.0 to I31.7 I0.0 to I31.7
AIQ0 to AIW0 to AIW110 AIW0 to AIW110
AIW110
AQW0 to AQW0 to
AQW110 AQW110
VB0 to VB0 to VB16383 VB0 to VB20479
VB12287
LB0 to LB63 LB0 to LB63
M0.0 to M31.7
SM0.0 to SM0.0 to
SM2047.7 SM2047.7
SM0.0 to SM0.0 to
SM29.7 SM29.7
SMB480.0 to SMB480.0 to
SM515.7 SM515.7
SM1000.0 to SM1000.0 to
SM1699.7 SM1699.7
256 (T0 to 256 (T0 to T255) 256 (T0 to
T255)
T0, T64 T0, T64
T1 to T4, and T1 to T4, and
T65 to T68
T65 to T68
T5 to T31, and T5 to T31, and
T69 to T95
T69 to T95
T32, T96 T32, T96
T33 to T36, T33 to T36, and
and T97 to
T97 to T100
T100
T37 to T63, T37 to T63, and
and T101 to
T101 to T255
T255
256 (C0 to 256 (C0 to
C255) C255)
HC0 to HC5 HC0 to HC5
References
for your specific
CPU SR60,
CPU ST60
30 KB
20 KB
I0.0 to I31.7
Q0.0 to Q31.7
AQW0 to
AQW110
LB0 to LB63
M0.0 to M31.7
SM0.0 to
SM2047.7
SM0.0 to
SM29.7
SMB480.0 to
SM515.7
SM1000.0 to
SM1699.7
T255)
T0, T64
T1 to T4, and
T65 to T68
T5 to T31, and
T69 to T95
T32, T96
T33 to T36, and
T97 to T100
T37 to T63, and
T101 to T255
256 (C0 to
C255)
HC0 to HC5
841