Mitsubishi Electric WS0-CPU0 - EFI I;O Error Status Bits in the Logic Editor

Chapter 5
57
The graphical user interface
With AOPD senders there is no EFI process data exchange. Therefore a
communication error will not occur with these devices, i.e. a communication
interruption can not be detected.
5.6.5 EFI I/O error status bits in the logic editor
An I/O error status bit for each connected SICK EFI-compatible device or Flexi Link
station is available in the Inputs tab of the Logic editor under the respective SICK
EFI-compatible device or Flexi Link station and can be used as input for the logic
programming. The I/O error status bit is High if the data or process image of the
connected SICK EFI-compatible device or Flexi Link station is set to Low. This may be
the case e.g. if an error has been detected or if the Flexi Link station is in the Stop
state or being reconfigured.
Status bit Value Meaning
I/O error Low The corresponding SICK EFI-compatible device or Flexi Link
station is error-free (e.g. in the Run state).
High The process image of the corresponding SICK EFI-compatible
device or Flexi Link station is set to Low due to one of the
following reasons:
 Error detected on the SICK EFI-compatible device
 The Flexi Link station is not in the Run state.
 Suspended Flexi Link station has been found.
 Flexi Link station with different Flexi Link ID found
See also Section 7.4.7.
5.6.6 Module input and output status bits in the logic editor
The input and output status of the connected network modules and safety I/O modules
is available in the Diagnostics tab of the logic editor and can be used as input for the
logic programming. In some applications an evaluation of this status information can
be important in order to specify the behaviour of the logic functions of the safety
controller. The input status specifies whether the data transferred from the input
device to the CPU module are:
 Low, because this is the output value at the input device or
 Low, because there is a fault at the input device.
Status bit Value Meaning
Status input
data
Low One or more input bits of the corresponding module are set to Low
due to an detected error (e.g. cross-circuit detected or
communication failure detected), meaning that the input bits may
have different values as in error-free operation.
High The inputs of the corresponding module are error-free.
Status output
data
Low For one or more outputs of the corresponding module an error has
been detected (e.g. overload detected, short circuit detected or
communication failure detected), meaning that the outputs may
have different values as in error-free operation.
High The outputs of the corresponding module are error-free.
Note
Table 5:
Meaning of the EFI I/O error
status bits
Table 6:
Meaning of the module
status bits