220
••••
Siemens
QUICKDESIGNER
Tag Variable Table
PLC Function
Tag Addr Bit Write Range
Sample
Name Name Range Range
Bit Access
V
Variable Bit
V
0 - 65535 0 - 7
Yes
0 - 1
V89.4
I
Input Bit
I
0 - 1023
0 - 7
Yes
0 - 1
I0.7
Q
Output Bit
Q
0 - 1023
0 - 7
Yes
0 - 1
Q3.5
M
Memory Bit
M
0 - 1023
0 - 7
Yes
0 - 1
M11.2
SM
Special Bit
SM
0 - 1023
0 - 7
(1)
0 - 1
SM23.0
T
Timer Bit
T
0 - 1023
NA
Yes
0 - 1
T8
C
Counter Bit
C
0 - 1023
NA
Yes
0 - 1
C9
Byte Access
VB
Variable Byte
VB
0 - 65535 NA
Yes
-128 to 127 (0 to 255)
VB60, VB60:U
IB
Input Byte
IB
0 - 1023
NA
Yes
-128 to 127 (0 to 255)
IB3, IB3:U
QB
Output Byte
QB
0 - 1023
NA
Yes
-128 to 127 (0 to 255)
QB1, QB1:U
MB
Memory Byte
MB
0 - 1023
NA
Yes
-128 to 127 (0 to 255)
MB4, MB4:U
SMB
Special Byte
SMB
0 - 1023
NA
(1)
-128 to 127 (0 to 255)
SMB36, SMB36:U
Word Access
VW
Variable
VW
0 - 65534 NA
Yes
-32768 to 32767 (0 to 65535)
VW700, VW700:U
TW
Timer
T
0 - 1022
NA
Yes
0 to 32767 (0 to 32767)
T50, T50:U
CW
Counter
C
0 - 1022
NA
Yes
-32768 to 32767 (0 to 32767)
C30, C30:U
IW
Input
IW
0 - 1022
NA
Yes
-32768 to 32767 (0 to 65535)
IW4, IW4:U
QW
Output
QW
0 - 1022
NA
Yes
-32768 to 32767 (0 to 65535)
QW5, QW5:U
MW
Memory
MW
0 - 1022
NA
Yes
-32768 to 32767 (0 to 65535)
MW13, MW13:U
SMW
Special Mem
SMW
0 - 1022
NA
(1)
-32768 to 32767 (0 to 65535)
SMW41, SMW41:U
AIW
Analog Input
AIW
0 - 1022
NA
No
-32768 to 32767 (0 to 65535)
AIW28, AIW28:U
AQW
Analog Output
AQW
0 - 1022
NA
No
-32768 to 32767 (0 to 65535)
AQW10, AQW10:U
Double Word Access
VD
Variable
VD
0 - 65532 NA
Yes
-2147483648 to 2147483647
VD1000
0 to 4294967295
VD1000:U
VF
Variable Float
VF
0 - 65532 NA
Yes
-2147483648 to 2147483647
VF1000
0 to 4294967295
VF1000:U
ID
Input
ID
0 - 1020
NA
Yes
-2147483648 to 2147483647
ID3
0 to 4294967295
ID3:U
QD
Output
QD
0 - 1020
NA
Yes
-2147483648 to 2147483647
QD4
0 to 4294967295
QD4:U
MD
Memory
MD
0 - 1020
NA
Yes
-2147483648 to 2147483647
MD12
0 to 4294967295
MD12:U
SMD
Special Memory SMD
0 - 1020
NA
(1)
-2147483648 to 2147483647
SMD6
0 to 4294967295
SMD6:U
HCD
High-Speed Cnt HC
0 - 1020
NA
No
-2147483648 to 2147483647
HC0
0 to 4294967295
HC0:U
Adding :U to the tag name will change the variable to unsigned. Unsigned integers are shown as (nnnnn).
(1) Above address 29 only