EZ EZ-220, Hardware Manual

Page: 123 / 150

C-3
Text Panel Hardware Manual
0x0400 PLC error no reply
This occurs when the DF1 modules indicate the PLC has no reply to the last message. It is usually
displayed when the unit reestablishes communications after a PLC message time-out error. This can also
occur when the panel message time-out is too short. If the PLC message time-out does not give the PLC
enough time to respond to the message this error will be displayed.
0x0800 Error code xx
This is reported when the PLC driver encounters an unknown error. This should never occur.
Driver Errors for PLC5 with DF1 Protocol
0x0000 No error
0x0001 Incompatible Revision
This error will be displayed when the driver and exec have an incompatible revision.
0x0002 PLC error incorrect map size
This error occurs when an incompatible map is loaded into the unit. The driver will not attempt to
communicate with the PLC when this occurs.
0x0004 Limit of elements per screen exceeded
This occurs when there are too many registers on the display to be monitored. The number of registers on
the display must be reduced.
0x0008 PLC MSG Time-out CMD=X
This occurs when the unit does not receive a reply to its command. The unit will retry a command and wait
for the specifi ed time-out period before reporting this command. The command ID causing the error is
reported.
0x0010 Invalid PLC attributes - using defaults
This error is reported when the PLC driver receives an invalid set of PLC attributes. The default attributes
will be used when this error occurs.
0x0020 PLC Bad checksum CMD=X
This error occurs when a reply with an invalid checksum is received by the unit. The command ID of the
command that incurred the error is reported as part of the message.
0x0040 PLC Error STS=xx EXTSTS=yy CMD=zz
This error is reported if a controller responds to a command with an error. The error code is shown and can
be looked up in the Allen-Bradley documentation. The command ID of the command causing the error is
reported.
0x0080 PLC Nack Error
This error is reported if a controller responds to a command with a negative acknowledgment error.