17-10 17. RS Automation
String, Timer, Counter, or Control device memory
Example: Indirect device memory designation of “ST3.25.10”
11 10 09 08 07 06 05 04 03 02 01 00
000000000011
11 10 09 08 07 06 05 04 03 02 01 00
000000011001
05 04 03 02 01 00
001010
ST3.25.10
C (Data Table sub-Element)
B (Data Table Element)
A (Data Table Number)
Converting A to binary
3(DEC)= 11(BIN)
X
Y
15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
0000011001001010
Y Z
0000011001001010 (BIN) = 64A (HEX): Lower address number
0000000000001100 (BIN) = C (HEX): Higher address number
Arranging the values W, X , Y and Z in the following order
Converting B to binary
25(DEC)= 11001(BIN)
Z
n + 1 (lower address number)
15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
0000000000001100
X0 fixed
n + 2 (higher address number)
Converting C to binary
10(DEC)= 1010(BIN)
W
W