Watson-Marlow MC100 - Manual (Page 31)

Users Manual
MC100
MC100 Users Manual Profibus DP - rev 4 Rev. 4 Page 31 of 40
7.3.2.1.1 Reading strings:
Set the request bit for receiving text strings in DW10 (bit 15) and the required text number in DW10 bit
0 – 4.
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
1 0 0 0 0 0 0 0 - - - N4 N3 N2 N1 N0
Setting the number in DW10 and the PS bit in DW11 will read the string i DW12-25 status:
Example:
In the following “Control” means data from the PLC to the MC100 and “Status” means data from
MC100 to the PLC.
Request the FMB version as text
Step 1: Set the request bit for text string (bit 15) and the text number in DW10 Control
15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
1 0 0 0 0 0 0 0 - - - 0 0 0 0 1
Step 2: Receive the text string in DW 12 to 21 Status.
“MC100 FBM Ver. x.yy.z”