MEAN WELL ELG-150-36A [7/7] Dlp 04
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MEAN WELL ELG-150-36A [7/7] Dlp 04

MEAN WELL ELG-150-36A [7/7] Dlp 04
DALI Bus Power SupplyDALI Bus Power Supply
DLP 04- series
System start-up timing
Latest receiver start-up for bus powered unit
Latest receiver start-up for externally powered unit
External power cycle
1
Latest bus power supply start-up
Earliest transmitter start-up
Bus power down
2
3
4
5
6
3
4
2
5
6
4
3
5
250ms
110ms
1200ms
100ms
110ms
1200ms
450ms
Ns
Off
Idle
OV
1
Time
1.After external power-on ,timing of a bus power supply shall be as shown in table 1.
A receiver shall be ready to receive frames within the maximum receiver start-up time specified in2.
Table 1.
A transmitter or a multi-master transmitter shall not start transmissions earlier than the transmitter3.
start-up time specified in Table 1.
◎ Table 1 – Start-up timing
◎ Shows an example of the system start-up timing
File Name:DLP-04-SPEC 2018-08-16
110ms
110ms
250ms
1200ms
100ms
450ms
5s
400ms
400ms
a
c
e
b
d
U=10V
Minimum
Advanced bus power supply start-up time
Integrated bus power supply start-up time
Receiver start-up time for externally powered bus units,
after external power cycle
Receiver start-up time for externally powered bus units,
after bus power down
Receiver start-up time after bus power down
for bus powered bus units
Transmitter start-up time
Multi-master transmitter start-up time
a Applicable if other bus power supplies are allowed in the system
b Applicable if no other bus power supplies are allowed in the system.
c Not applicable for transmitters of bus units which cannot determine the bus state.
d Idle state, bus voltage measured at the interface of the bus unit.
e If an external power cycle occurred and the bus power is not available within 350 ms, the 100 ms timing is applicable.
Bus power supply start-up time
Typical Maximum Condition
Guaranteed
supply current
reached
External
power supply
Bus
power supply

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