Module status leds, Trusted, Communication interface t8151b – Rockwell Automation T8xxx Trusted Communications Interface User Manual

Page 44

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Trusted

TM

Communication Interface T8151B

Issue 21 Apr 10

PD-T8151B

44

4.2. Module Status LEDs

There are ten status LEDs on the Communications Interface front panel; Healthy, Active, Standby,
Educated, and six Communications.

The module status LED states and their meanings are described as follows:

LED

INDICATION

Healthy

Module health:
Steady green

= healthy

Flashing red

= slice failed.

Active

Steady green when the module is in the Active mode.

Standby

Not used.

Educated

Not used. Set to steady green at power-up.

Communications

Six tri-coloured LEDs indicate data transfer activity on all serial
communications ports and both Ethernet ports.
The LEDs flash red when responding and green when receiving.
The Ethernet LEDs indicate steady green in the absence of a network
connection (for 8151 up to rev H and 8151B up to rev B only)

Table 16 Pre Build C, module status LED’s

LED

INDICATION

Healthy

Module health:
Steady green

= healthy

Flashing red

= slice failed.

Active

Steady green when the module is in the Active mode. (application running,
communications enabled)

Standby

Steady green when the module is in the Standby mode. (application stopped,
communications disabled)

Educated

CI configuration loaded successfully from MP

Communications

Six tri-coloured LEDs indicate data transfer activity on all serial
communications ports and both Ethernet ports.
The LEDs flash red when transmitting data and green when receiving and
amber when transmitting and receiving.

Table 17 Build C, module status LED’s

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