Q: The DBK4 seems to kill my system. When the DBK4 is removed, the system functions properly.
Does this imply that the DBK4 is defective?
A:
More often than not this indicates a lack of available power. The most common symptom of low
power is a "dead" unit.
Failure to provide adequate power can damage one or more components in
your system
, but more frequently, the system simply won’t work.
It is important that you calculate your system's power demand
before
connecting the DBK4, as you
may need an auxiliary power supply. Each DBK4 draws 2750 mW, which is high in comparison to
the power drawn by other DBK cards. As can be seen in the following table, when using a
DaqBook/100 Series product you will
always
need additional power, while other systems can typically
power at least one DBK4 card.
Reference Note
:
Refer to
Power Management
in the DBK Basics section, located near the front of the
manual, for more information on calculating the system power demand for all your DBK
cards.
Available Power Chart — Supply to Expansion Devices
Product
Available Power
LogBook
+5 VDC @ 0.10 A from P1-1, P2-18, P2-20, P3-20
+15 VDC @ 0.15 A from P1-21
+15 VDC @ 0.05 A from P3-19
-15 VDC @ 0.15 A from P1-2
-15 VDC @ 0.05 A from P3-37
DaqBook/100
2100 mW
DaqBook/112
2400 mW
DaqBook/120
2100 mW
DaqBook/200
4000 mW
DaqBook/216
4000 mW
DaqBook/260
4000 mW
DaqBoard/100A
3300 mW
DaqBoard/112A
3300 mW
DaqBoard/200A
3000 mW
DaqBoard/216A
3000 mW
DaqBoard/260A
3000 mW
DaqBoard/2000 Series
& /2000c Series
5000 mW; 5 V at 1 A; ±15 V at 75 mA each (with
exception of DaqBoard/2002 and /2002c)
DaqBook/2000 Series
15000 mW; 5V at 1 A; ± 15 V at 500 mA each
Daq PC-Card/112B
0 mW
Daq PC-Card/216B
0 mW
DBK32
7500 mW
DBK32A 15000
mW
DBK33
7500 mW
DBK34
5 A-hr in 12 V mode; fused at 8 A
DBK34A
5 A-hr in 12 V mode; fused at 8 A
DBK Option Cards and Modules
967094
Troubleshooting Tips 5-5
Содержание OMB-DBK-34A
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