Vital LED indicator chart
The following table describes the LED sequences of the KT-MOD-IO16.
Device state
Firmware upgrade
Factory default
Unassigned
module
Assigned module
communicating
Assigned module
lost communication
KT-MOD-IO16 RS-485 Input/Output Module Installation Guide
Table 5: Vital LED indicator chart
LED sequence
Description
Quick pulses. 5 pulses
every second at 50%
duty cycle.
Continuous long
pulses.
2 short pulses.
1 short pulse.
Continuous short
pulses.
17
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