LDSBus Isolated IO Controller Datasheet
Version 1.1
Document Reference No.: BRTSYS_000009 Clearance No.: BRTSYS#005
Copyright © BRT Systems Pte Ltd
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System Status LED Indicators
LDSU devices come with a tri-color LED, and LED status are mentioned in the table below.
Status display colors
1.
RED
-
Device in error conditions
2.
YELLOW
-
Unconfigured device
3.
GREEN
-
Device in normal state (Device termination is OFF)
4.
BLUE
-
Device in normal state (Device termination is ON)
Device
Status
LED Color
Flashing
Frequency
Description
Unconfigured
device
YELLOW
LED flashing @1Hz
Unconfigured device with factory
default address (126)
Configured
device
GREEN
Steady
–
Non-
flashing
Configured device (Device ID 1-125)
and device is idle
BLUE
Addressed
device
GREEN
LED flashing @5Hz
Device is busy communicating
BLUE
Identified
device
GREEN
LED flashing @1Hz
Device in identify state
BLUE
Device error
RED
Steady
–
Non-
flashing
Device error has occurred
Firmware
update
YELLOW
Steady
–
Non-
flashing
Device firmware update
Table 3 - LDSBus Isolated IO Controller
–
System Status LED Indicator