Siemens SINUMERIK 840D sl Function Manual page 318

Detailed description
2.5 Service display PROFIBUS DP 840Di
Detailed information of the slots within a slave
The Details button opens the diagnostics dialog box Detailed information on the slave. This
screen form provides detailed information on the slots assigned to the DP slave.
In addition, the Slave dialog box displays important information on the DP slave currently
selected.
The following information is displayed for the slots:
Table 2-3 Diagnostic screen Detailed information on the slave
Function/subfunction
Slaves
Slave No. [DP address]
Assignment
Active on the bus
Synchr.
Slots
No.
I/O address
Logical drive no.
Length [bytes]
Type
Machine axes
Message frame type
Status
36
Explanation/meaning
Configured DP address of DP slave
Displays whether the DP slave is assigned to the NC or to the PLC.
NC: e.g. one or several drives controlled by the NC.
•
PLC: e.g. I/O modules or an axis controlled by the PLC.
•
Displays whether the DP slave has been detected on the bus
Green lamp: DP slave has been detected on PROFIBUS DP and the data exchange with the
•
assigned component (NC or PLC) operates.
Red lamp: Failure or no communication.
•
Displays whether DP slave operates on the bus synchronously to the NC.
Green lamp: DP slave operates on PROFIBUS DP synchronously to the NC, i.e. the
•
equidistant data exchange takes place.
Gray lamp: DP slave is not assigned to the NC, but to the PLC.
•
Red lamp: Failure or no communication.
•
Slot number within DP slave
I/O address in the I/O address space of the PLC assigned to this slot. For NC axes, setpoint and
actual value must always be configured using the same I/O address.
Drive number assigned for the appropriate axis in the NC machine data.
Length of the I/O area in the STEP7 I/O address space, which is reserved for the slot
Specification whether the slot is an input, output or diagnostic slot. If the slot is assigned to an
NC axis, an output is always designated as a setpoint and an input always as an actual value.
Display of the name defined for this slot in the machine data. If the slot is not assigned to any
NC axis, "No NC axis" is displayed.
Message frame type configured in the NC machine data. If the slot is not assigned to any NC
axis, the message frame type will not be occupied (-).
Current slot status is only displayed for NC axes
Green: Slot is used by the NC; communication active
•
Gray: No NC axis
•
Red: Slot is used by the NC; communication currently not active
•
Basic logic functions: Diagnostic tools (D1)
Function Manual, 11/2006, 6FC5397-0BP10-2BA0