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Concept

Concept


Products: MP-C
Functionalities: Hardware
Product version: 2022
12/12/2023

MP-C Controller LEDs

arrow1_rotationStatus LED arrow1_rotationSensor Bus LEDs arrow1_rotationEthernet LEDs

There are five LEDs on the front panel of the MP-C controller.

 
action_zoom_plus_stroke MP-C controller LEDs

MP-C controller LEDs

Table: MP-C Controller LEDs

Function

Color

Status (MP-C controller)

Green/Red

Sensor Bus Tx

Yellow

Sensor Bus Rx

Green

Ethernet 1

Green/Yellow

Ethernet 2

Green/Yellow

Note:

The MP-C controller Ethernet and Status indicators comprise two LEDs (green/yellow and green/red respectively) in one structure.

The LEDs indicate status of the MP-C controller and the ongoing communication.

Status LED

The MP-C controller Status LED indicates the condition of the device.

Table: MP-C Controller Status LED Patterns

LED Patterns

Condition

Green, constant

Normal operation, status OK

MP-C controller firmware application running

Green, flashing (~1 Hz)

Device restarting, wait

MP-C controller firmware application running

Red, constant

Detected error, attention required

Red, flashing (~1 Hz)

Device operates, but a problem needs attention

Red/green, flashing (~1 Hz)

MP-C controller I/O board receiving software upgrade, wait

Do not interrupt power to the controller. For more information, see the following Important note.

Amber, constant

MP-C controller firmware boot applet running

Amber, flash

Device restarting, wait

MP-C controller firmware boot applet started

Amber/green, flashing (~1 Hz)

MP-C controller firmware is being upgraded. It is typically the firmware main application, but it can also be a boot applet.

Important:

Avoid power interruptions to the device during the brief period when the Status LED is flashing red and green. An interruption causes problems with the I/O processor upgrade and can result in corrupt firmware. You can view the evidence of a corrupt processor when the device reports itself as an “MP-C-15A.” A corrupt I/O processor can lead to the loss of the reset button and/or I/O functionality, as well as the inability to upgrade the I/O processor and/or the device.

Sensor Bus LEDs

The Sensor Bus LEDs indicate the condition of the sensor bus data communication.

Table: Sensor Bus LED Patterns

LED Patterns

Condition

Yellow, flashing (Tx)

Transmit data

Green, flashing (Rx)

Receive data

Ethernet LEDs

The Ethernet (1 and 2) LEDs indicate the condition of the Ethernet communication.

Table: Ethernet LED Patterns

LED Patterns

Condition

Green, flashing

10 Mbit communication

Yellow, flashing

100 Mbit communication

Green/yellow, constant

10/100 Mbit link connected, no activity

No light

No link, no activity

  • MP-C Controllers
  • Status LEDs