Siemens SIMATIC S7-200 System Manual page 603

Description
User program size
User data size
Process-image input
register
Process-image output
register
Analog inputs (read only)
Analog outputs (write only)
1
Variable memory (V)
2
Local memory (L)
Bit memory (M)
Special Memory (SM)
Read only
Timers
Retentive on-delay 1 ms
Retentive on-delay 10 ms
Retentive on-delay 100 ms
On/Off delay 1 ms
On/Off delay 10 ms
On/Off delay 100 ms
Counters
High-speed counter
Sequential control relays (S)
Accumulator registers
Jumps/Labels
Call/Subroutine
Interrupt routines
PID loops
Port
1
All V memory can be saved to permanent memory.
2
LB60 to LB63 are reserved by STEP 7–Micro/WIN 32, version 3.0 or later.
CPU 221 CPU 222
2 Kwords 2 Kwords
1 Kwords 1 Kwords
I0.0 to I15.7 I0.0 to I15.7
Q0.0 to Q15.7 Q0.0 to Q15.7
–– AIW0 to AIW30
–– AQW0 to AQW30
VB0.0 to VB2047.7 VB0.0 to VB2047.7
LB0.0 to LB63.7 LB0.0 to LB63.7
M0.0 to M31.7 M0.0 to M31.7
SM0.0 to SM179.7 SM0.0 to SM179.7
SM0.0 to SM29.7 SM0.0 to SM29.7
256 (T0 to T255) 256 (T0 to T255)
T0, T64 T0, T64
T1 to T4, T65 to T68 T1 to T4, T65 to T68
T5 to T31, T5 to T31,
T69 to T95 T69 to T95
T32, T96 T32, T96
T33 to T36, T33 to T36,
T97 to T100 T97 to T100
T37 to T63, T37 to T63,
T101 to T255 T101 to T255
C0 to C255 C0 to C255
HC0, HC3, HC4, HC0, HC3, HC4,
HC5 HC5
S0.0 to S31.7 S0.0 to S31.7
AC0 to AC3 AC0 to AC3
0 to 255 0 to 255
0 to 63 0 to 63
0 to 127 0 to 127
0 to 7 0 to 7
Port 0 Port 0
CPU 224 CPU 226
4 Kwords 4 Kwords
2.5 Kwords 2.5 Kwords
I0.0 to I15.7 I0.0 to I15.7
Q0.0 to Q15.7 Q0.0 to Q15.7
AIW0 to AIW62 AIW0 to AIW62
AQW0 to AQW62 AQW0 to AQW62
VB0.0 to VB5119.7 VB0.0 to VB5119.7
LB0.0 to LB63.7 LB0.0 to LB63.7
M0.0 to M31.7 M0.0 to M31.7
SM0.0 to SM179.7 SM0.0 to SM179.7
SM0.0 to SM29.7 SM0.0 to SM29.7
256 (T0 to T255) 256 (T0 to T255)
T0, T64 T0, T64
T1 to T4, T65 to T68 T1 to T4, T65 to T68
T5 to T31, T5 to T31,
T69 to T95 T69 to T95
T32, T96 T32, T96
T33 to T36, T33 to T36,
T97 to T100 T97 to T100
T37 to T63, T37 to T63,
T101 to T255 T101 to T255
C0 to C255 C0 to C255
HC0 to HC5 HC0 to HC5
S0.0 to S31.7 S0.0 to S31.7
AC0 to AC3 AC0 to AC3
0 to 255 0 to 255
0 to 63 0 to 63
0 to 127 0 to 127
0 to 7 0 to 7
Port 0 Port 0, Port 1