Dialight D1RW-B13-008 SafeSite L-864/L-865 Flashing Dual LED Class I Div. 2 (White/Red) Strobe User Manual
Page 18

Document No.
9100-127-1383-99 Rev B
Release Date: 10/7/2010
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Dialight Corporation 1501 Route 34 South Farmingdale NJ 07727
Tel: 732.919.3119 Fax: 732.751.5778 Web: www.dialight.com
Page 18 of 25
Configuration
Configuration information can be read or written to the microcontroller board 
using the following protocol. Note that changing these parameters can cause the 
unit to no longer be compliant with FAA or ICAO regulations. 
 
Read command 
Master transmission 
Byte 
Value
0
‘C’
1
‘R’
2
‘D’
 
Slave response 
Byte 
Value
0
‘C’
1
‘R’
2
‘D’
3
Number of white LED drivers
4
Number of faulty strings accepted before an alarm is signaled
5
Interval between white flashes, 0.1s increments
6:7
Flash duration in 100% white mode, 4 us increments
8:9
Pulse on time in 30% white mode, 4 us increments
10:11 Pulse off time in 30% white mode, 4 us increments 
12:13 Pulse on time in 10% white mode, 4 us increments 
14:15 Pulse off time in 10% white mode, 4 us increments 
16 
Number of pulses per flash in 30% and 10% white modes. There is 
always only a single pulse in 100% white mode 
17
Number of pulses per flash in all red modes.
18:19 Pulse on time in 100% red mode, 4 us increments 
20:21 Pulse off time in 100% red mode, 4 us increments 
22:23 Pulse on time in 30% red mode, 4 us increments 
24:25 Pulse off time in 30% red mode, 4 us increments 
26:27 Pulse on time in 10% red mode, 4 us increments 
28:29 Pulse off time in 10% red mode, 4 us increments 
30 
Set to 0 to prevent the red driver from automatically switching over to 
white when an alarm is raised, set to any other value to enable 
switchover 
31
Interval between red flashes, 0.1s intervals
32
Reserved.
33
Reserved.
34
Expected red beacon current, 2mA increments
35
Reserved.
