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

Page 8

Introduction

Drive Description

OPERATION

MicroTrac Network Interface Card

MicroTrac

Network

Interface Card

5136-SD

Direct-Link

Interface Card

Hub Card

The interface card has two LEDs which indicate the following:

Red – Indicates activity is present on this node. Should be blinking
or steady.

Green – Indicates that a token ring has been formed. Should be on
(blinking or steady).

This card has two LEDs which indicate the following:

Red – Should bink on power-up, then fo off and remain off.

Green – Blinkd whenever a message is sent to PLC. Should either
blink or remain steady as long as communication with the PLC is
maintained.

On large systems, a multi-port expansion Hub card may be present in the
gateway card rack as a fourth card. If it is present, its LEDs signify the
following:

Red Light (at Each Port) – Indicates activity for each individual port.
If an active cable is connected to a port, the red light should be on.

Yellow – Indicates network configuration. Should be on only when
network configuration is changed (i.e. adding a node) or on power-up.

Red – Indicates total network activity.

RD 906-20

94-04