Siemens SINUMERIK 828D

Figure 1-8 Drive parameter p0978 [ ...] at the control
Parameter number[do<DO-index>]
Example:
p0092[do1]
Alternatively, the drive index can be read from a local variable using $<variable name>
"substitution characters".
z.B. DO$local variable
Example:
<DATA name ="drive/cu/p0092">1</DATA>
<DATA name ="drive/dc/p0092[do1] ">1</DATA>
Indirect addressing:
<LET name = "driveIndex> 0 </LET>
<OP> driveIndex = $ctrlout_module_nr[0, AX1] </OP>
<DATA name ="drive/dc[do$driveIndex]/p0092">1</DATA>
Generating user dialogs
1.8 Addressing components
Easy XML
78 Programming Manual, 10/2015, 6FC5397-3DP40-5BA3