Table of Contents
Advertisement
2.5 LED status indicator
The GW-7557 provides three LEDs to indicate the statuses of the GW-7557
module. The position of LEDs and descriptions are shown in Table 7 and Figure
12.
Table 7 LED status description
LED Name
PWR
ERR
RUN
GW-7557 PROFIBUS/HART Gateway User Manual (Version 1.00, Dec/2011)
Status
Power supply is ok.
flash
HART port is transmitting or receiving HART frame.
Power supply is ok.
on
The firmware has loaded.
off
Power supply has failed.
When the GW-7557 connects with the utility tool, it
will flash fast (flash once about 55ms).
flash
When the GW-7557 has diagnostic message, it will
flash slowly (flash once about 220ms).
Connection error between PROFIBUS Master and
Slave or
on
PROFIBUS system has not been configured
correctly.
Normal operation
off
PROFIBUS system has been configured correctly
Data exchange mode
on
Normal operation.
off
GW-7557 module is not in a data exchange mode.
Description
PAGE: 15
Advertisement
Table of Contents
