12 – 164 HEIDENHAIN Service Manual iTNC 530 HSCI
12.2.4 Identification of the PLC operands
By means of the PROFIBUS diagnosis you can obtain important information on PLC operands, such
as the name, the absolute address and (depending on the configuration by the OEM) the terminal
name:
Figure: Display of the properties of I_PL550_Slot_1_X4_Pin_1 in PROFIBUS diagnosis
12.2.5 Troubleshooting with DriveDiag
In the left window of the PROFIBUS bus diagnosis you can see the arrangement, the names and the
status of the PROFIBUS components and terminals.
8 Observe the status of the PROFIBUS components and terminals.
Here, you already can detect and locate errors in the PROFIBUS system.
Display Status
OK
Error ( further information in the text window)
Warning (further information in the text window)
Undefined condition (further information in the text window)