9
01/2008 Commissioning operating area
9.4 PLC
9
© Siemens AG 2008 All rights reserved.
SINUMERIK 840Di sl/840D sl/840D Operating Manual HMI-Advanced (BAD) - 01/2008 Edition 9-435
9.4 PLC
Function
Changes can only be made with the corresponding access
authorization (password):
• Setting date/time (see blow)
• PLC status for PLC operands (see Section 8.5)
• File functions (see Subsection 8.5.4)
Danger
Changes in the states of PLC memory locations have a major impact
on the machine. Incorrect configuration of the parameters can
endanger human life and cause damage to the machine.
Function
Set
date/time
You can change the date and time of the PLC and manually
synchronize the date and time of the PLC and HMI.
Sequence of operations
Start-up
The "Commissioning" operating area is selected.
PLC
Press the "PLC" softkey.
The horizontal and vertical softkey bars change.
Set
date/time
Press the "Set date/clock" softkey. The "Set date/clock" window is
displayed.
Enter the correct values in the input fields.
Accept
The date and time on the HMI are transferred to the PLC.
The synchronization can be verified in the "Current time:" output field.
The set values are retained when the control is rebooted.
References Commissioning Manual HMI-Advanced (IM4)