Yaskawa MicroTrac Gateway to Allen-Bradley Data Highway Plus for use with Microtrac LAN User Manual

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Introduction

Drive Description

OPERATION

PLC Gateway Status

The PLC gateway status is displayed on the four (4) character alphanumeric
display that is mounted on the CPU card.

The following is a list of the different status messages that may be displayed
and their meanings:

DISPLAY

MEANING

PUP

Initial power-up is OK.

WAIT

PLC communication speed not yet determined.

57KB

PLC communication speed is 57.6K baud..

115K

PLC communication speed is 115.2K baud.

ENOA

Error in Numeric Output Allocation.

ELIA

When the PLC gateway receives a logical input allocation
message, this error message could appear because the internal
allocation table is full and cannot handle another allocation.
The allocation table has room for 1024 allocations. A logical
allocation uses 1 element in the table.

EPMA

Port or Memory Address Error in loading software into
5136-SD interface card. This is caused by a missing or
inproperly installed card or inproper switch settings on the
5136-SD interface card.

EZ80

Z80 microprocessor on the 5136-SD interface card did not
start up properly. Probable cause would be a defective
5136-SD Interface card.

ENMI

Non-Maskable Interrupt Error on CPU card. Probable cause
could be electrical noise (EMI) near the PLC gateway chassis.

PLC Gateway

Status

RD 906-20

94-04