Siemens Simatic S7-200 System Manual page 191

Table 10-2 S7-200 CPU Operand Ranges
Access Method CPU 212
Bit access V 0.0 to 1023.7
(byte.bit) I 0.0 to 7.7
Q 0.0 to 7.7
M 0.0 to 15.7
SM 0.0 to 45.7
T 0 to 63
C 0 to 63
S 0.0 to 7.7
Byte access VB 0 to 1023
IB 0 to 7
QB 0 to 7
MB 0 to 15
SMB 0 to 45
AC 0 to 3
SB 0 to 7
Constant
Word access VW 0 to 1022
T 0 to 63
C 0 to 63
IW 0 to 6
QW 0 to 6
MW 0 to 14
SMW 0 to 44
AC 0 to 3
AIW 0 to 30
AQW 0 to 30
SW 0 to 6
Constant
Double word VD 0 to 1020
access ID 0 to 4
QD 0 to 4
MD 0 to 12
SMD 0 to 42
AC 0 to 3
HC 0
SD 0 to 4
Constant
S7-200 Programmable Controller System Manual
C79000-G7076-C230-02
CPU 214 CPU 215
V 0.0 to 4095.7 V
I 0.0 to 7.7 I
Q 0.0 to 7.7 Q
M 0.0 to 31.7 M
SM 0.0 to 85.7 SM
T 0 to 127 T
C 0 to 127 C
S 0.0 to 15.7 S
VB 0 to 4095 VB
IB 0 to 7 IB
QB 0 to 7 QB
MB 0 to 31 MB
SMB 0 to 85 SMB
AC 0 to 3 AC
SB 0 to 15 SB
Constant Constant
VW 0 to 4094 VW
T 0 to 127 T
C 0 to 127 C
IW 0 to 6 IW
QW 0 to 6 QW
MW 0 to 30 MW
SMW 0 to 84 SMW
AC 0 to 3 AC
AIW 0 to 30 AIW
AQW 0 to 30 AQW
SW 0 to 14 SW
Constant Constant
VD 0 to 4092 VD
ID 0 to 4 ID
QD 0 to 4 QD
MD 0 to 28 MD
SMD 0 to 82 SMD
AC 0 to 3 AC
HC 0 to 2 HC
SD 0 to 12 SD
Constant Constant
Instruction Set
CPU 216
0.0 to 5119.7 V 0.0 to 5119.7
0.0 to 7.7 I 0.0 to 7.7
0.0 to 7.7 Q 0.0 to 7.7
0.0 to 31.7 M 0.0 to 31.7
0.0 to 194.7 SM 0.0 to 194.7
0 to 255 T 0 to 255
0 to 255 C 0 to 255
0.0 to 31.7 S 0.0 to 31.7
0 to 5119 VB 0 to 5119
0 to 7 IB 0 to 7
0 to 7 QB 0 to 7
0 to 31 MB 0 to 31
0 to 194 SMB 0 to 194
0 to 3 AC 0 to 3
0 to 31 SB 0 to 31
Constant
0 to 5118 VW 0 to 5118
0 to 255 T 0 to 255
0 to 255 C 0 to 255
0 to 6 IW 0 to 6
0 to 6 QW 0 to 6
0 to 30 MW 0 to 30
0 to 193 SMW 0 to 193
0 to 3 AC 0 to 3
0 to 30 AIW 0 to 30
0 to 30 AQW 0 to 30
0 to 30 SW 0 to 30
Constant
0 to 5116 VD 0 to 5116
0 to 4 ID 0 to 4
0 to 4 QD 0 to 4
0 to 28 MD 0 to 28
0 to 191 SMD 0 to 191
0 to 3 AC 0 to 3
0 to 2 HC 0 to 2
0 to 28 SD 0 to 28
Constant
10-3