BASEstartm Open DAS
for Allen-Bradley Data Highwaytm
on Tru64tm UNIX
Installation and User's Guide


Previous Contents Index

Figure 3-11 shows the structure of a legal Status data table address for the PLC-5.

Table 3-14 shows examples of legal Status data table addresses for the PLC-5.

Figure 3-11 PLC-5 Status Data Table Address Format


Table 3-14 Example PLC-5 Status Data Table Addresses
Example Address MMS Type1 Description
S:20 UNSIGNED_16 Word 20 of the status file
S:12 INTEGER_16 Word 12 of the status file
$S:125/1 BIT_STRING Bit 1 of word 125 of the status file
S:0 Array of 10 UNSIGNED_16 Ten words beginning at word 0


1Arrays are supported. Structures are not supported. Variable size arrays are not supported.


Previous Next Contents Index