Panasonic FP7 User Manual page 108

High-level Instructions
 Flag operation
Name Description
Latest error (S7) To be set when the unit specified by UNITSEL is not an Ethernet unit.
Hold error (S8)
To be set when the EtherNet/IP function is set to Not Use in the Ethernet unit configuration.
To be set in case of out-of-range in indirect access (index modiication).
To be set when an out-of-range value is specified for parameters.
To be set when the node or connection specified by S1 and S2 does not exist.
Use this instruction only for the connections in which the refresh method of the EtherNet/IP
setting is set to Instruction.
An operation error occurs when the connection that other refresh method other than that
has been specified is specified.
To be set when the connection that the number of input data is 0 is specified.
To be set when the connection that the number of refreshed data is 0 is specified.
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