Allen-Bradley SLC 500

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