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4.8
Diagnostics - Communication Module LED Functions
Upon power up, the Module and Network Status LEDs indicate the state of the unit. There are two LEDs on the G3
PROFIBUS-DP
TM
node. The LEDs functions are described in the table below.
LED Name
NETWORK STATUS
MODULE
STATUS
Green
G3 Series PROFIBUS-DP
Color
Status
ON
Red
FLASHING
Green
ON
Red
ON
Green
ON
Red
FLASHING
TDG3PTTM1-11EN
Subject to change without notice
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Technical Manual
TM
Description
Bus Error. Bus Connection failed or off-line; Invalid
parameterization, configuration, or bus address
The module configuration (I/O and valves) in the user
application is different than the physical configuration of the
manifold.
Normal operation. The bus link is OK. Baud-rate detected
parameterization and configuration OK. Unit is in data
exchange mode.
Critical hardware fault. The microprocessor is not running.
Normal operation. Node hardware is OK.
Module is in self-test mode. Cycle power to end self-test
mode.
07/2020
4-25
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