February 2012 12 – 149
12.1.4 Identification of the PLC operands
By means of the HSCI bus diagnosis you can obtain important information on PLC operands, such as
the absolute address, the slot and the terminal name:
Figure: Display of the attributes of I_emergency_button_unlocked in HSCI bus diagnosis
Figure: PLB 6204 with four PLD-H 16-08-00 inserted, terminal X9.9a on system module