Rockwell-automation 1771-SPI,D17716.5.122 SPI PROTOCOL INTERFACE Manual de usuario descargar pdf (Pagina 51)

MODULE

CHANNEL

MODULE

FAULT

ACTIVE

When this LED:

Chapter

5-1

Interpreting Diagnostic Information

from LEDs and Error Codes

This chapter helps you troubleshoot the SPI module using:

diagnostic indicators on the front of the module

diagnostic codes returned by the SPI module

Diagnostic indicators (Figure 5.1) and (Table 5.A) indicate the SPI

module’s operating status. Use them to troubleshoot your module.

Figure 5.1

How

to Read Individual LED Indicators

Is: The SPI Module Has Detected the Following: Take this Corrective Action:

Flashing SPI module is not receiving from a device Refer to 8000 series error codes in CDS.

an invalid MCC Refer to 9000 series error codes in SYS.

module failure Replace SPI module.

OFF none of the above See other LEDs.

ON or Flash SPI module is sending data on the SPI network n/a

OFF SPI module is not sending data on the network See other LEDs.

Flashing SPI module is powered but not configured Download a valid MCC to SPI module.

ON SPI module is configured n/a

OFF SPI module is not powered or is bad Apply power or replace SPI module.

Table 5.A

Troubleshooting

with LED Indicators

Indicator: Possible Cause: Possible Correction: See Flow Chart at:

MF = Red = OFF

CA = Yellow = ON or FLASH

MA = Green = ON

Module is operating correctly:

powered and communicating

on the SPI network.

n/a

MF = Red = ON or OFF

CA = Yellow = OFF

MA = Green = OFF

RAM or PROM failure, or

module is not powered.

Turn off power. Reseat the module in the chassis.

Repower. If problem persists, replace SPI module.

n/a

MF = Red = OFF

CA = Yellow = OFF

MA = Green = FLASHING

Module is powered but not configured. Download a valid MCC to the SPI module. A

MF = Red = ON

CA = Yellow = any

MA = Green = FLASHING

Valid MCC not yet loaded into module,

or valid MCC in module was corrupted.

Correct and download a valid MCC

to the SPI module.

MF = Red = FLASHING

CA = Yellow = ON or FLASH

MA = Green = ON

Module is not receiving from a device.

Communication OK with other devices.

Check field wiring arm connections.

Check D-shell connectors on primary machine.

Check that device settings match MCC entries.

Chapter

Objectives

Troubleshooting with

Diagnostic Indicators

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