Yaskawa Modicon 800 Series Remote I/O Network for use on Microtrac LAN - Manual (Page 24)

4 OPERATION
23 PLC Gateway Status
5/24/96
display meaning
ENIA When the PLC gateway receives a numeric input allocation
message, this error message could appear for one of the
following reasons:
• The internal allocation table is full and cannot handle
another allocation. The allocation table has room for
1024 allocations. A numeric allocation uses 8
elements in the table.
• The subchannel is out of range. It can range from 1
to 8.
ENOA When the PLC gateway receives a numeric output allocation
message from the network, this error message could appear
for any of the following reasons:
• The internal allocation table is full and cannot handle
another allocation. The allocation table has room for
1024 allocation. A numeric allocation uses 8
elements in the table.
• The subchannel is out of range. It can range from 1
to 8.
• The subchannel has already been allocated by another
node.
ERDU When the PLC gateway receives a PLC configuration
message, this error message appears if the internal RDU table
is full and cannot accommodate another entry. The table has
a capacity of 255 entries. The PLC Configuration message is
ignored.
PLC Gateway
Status
(continued)
RD 3004-20