Prosoft-technology MVI46-MCM Bedienungsanleitung PDF herunterladen (Seite 34)

Diagnostics and Troubleshooting MVI46-MCM ♦ SLC Platform

User Manual Modbus Communication Module

Page 34 of 108 ProSoft Technology, Inc.

March 29, 2011

4.1 LED Status Indicators

The LEDs indicate the module’s operating status as follows:

LED Color Status Indication

P1 Green On

Data is being transferred between the module and a

remote terminal using the Configuration/Debug port.

Off

No data is being transferred on the Configuration/Debug

port.

P2 Green On

Data is being transferred between the module and the

Modbus network on its Modbus Port 1.

Off No data is being transferred on the port.

P3 Green On

Data is being transferred between the module and the

Modbus network on its Modbus Port 2.

Off No data is being transferred on the port.

APP Amber On The MVI46-MCM is working normally.

Off

The MVI46-MCM module program has recognized a

communication error on one of its Modbus ports.

BP ACT Amber On

The LED is on when the module is performing a write

operation on the backplane.

Off

The LED is off when the module is performing a read

operation on the backplane. Under normal operation, the

LED should blink rapidly on and off.

OK Red/

Green

Off

The card is not receiving any power and is not securely

plugged into the rack.

Green The module is operating normally.

Red

The program has detected an error or is being configured.

If the LED remains red for over 10 seconds, the program

has probably halted. Remove the card from the rack and

re-insert the card to restart the module’s program.

BAT Red Off The battery voltage is OK and functioning.

The battery voltage is low or battery is not present. Allow

battery to charge by keeping module plugged into rack for

24 hours. If BAT LED still does not go off, contact ProSoft

Technology, as this is not a user serviceable item.

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