LED display
8-1
8. LED display
Table 9 LED display specifications
Display
Name
Color
Content
POWER Power indicator
Green
ON
Power ON
OFF
Power OFF or unit error
LINK
ASLINK
LINK indicator
Green
Flashing
ASLINK communication normal
ON/OFF
Unit error or setting error
SET
Automatic address
recognition indicator
Green
ON
Automatic address recognition in
progress
Flashing
EEPROM write operation in progress
OFF
Normal operation
ALM
ASLINK error
indicator
Red
ON
DP/DN disconnection, or no response
from slave unit
Flashing
(w/ 1 second interval)
DP-DN short circuit
Flashing
(w/ 0.2 second interval)
24V DC not supplied or low voltage
OFF
Normal operation
MS_G
Module Status LED
Green
Green
ON
Succeeded in initialization. Currently in
normal operation
Flashing
(single flash)
Diagnosis event
OFF
Power supply is OFF, or the unit is under
initialization process.
MS_R
Module Status LED
Red
Red
ON
Exceptional error or fatal error
OFF
Power supply is OFF, or the unit is under
initialization process.
NS_G
Network Status LED
Green
Green
ON
Online (RUN)
Flashing
(single flash)
Online (STOP)
Flash
(Blinking)
Engineering tool is used to identify a
node on network.
OFF
Offline
Power supply is OFF.
Summary of Contents for B2G78-PN1
Page 34: ...I O data 5 8 Input output data...
