Measurement-computing WaveBook rev.3.0 Manual de usuario Pagina 86

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4-2 System Power & Assembly WaveBook User’s Manual
WaveBook Product Current Requirements (in Amps)
Products and
Product Combinations
DBK30A
14 VDC
DBK30A
29 VDC
TR-40U
15 VDC
WaveBook/512 /512H (alone)
0.43 0.20 0.40
WaveBook/516 (alone)
1.00 0.50 1.00
WBK10/10H (alone)
0.32 0.20 0.30
WBK11
0.27 0.10 0.22
WBK12
0.47 0.23 0.45
WBK13
0.57 0.28 0.20
WBK14 (alone)
0.90 0.50 0.85
WBK15 (alone)
0.13 0.08 0.12
WBK15 (typical)*
0.24 0.13 0.23
WBK15 (max)**
0.75 0.36 0.70
WBK16 (no excitation)
1.08 0.52 1.00
WBK16 (full excitation)
1.80 0.87 1.67
*Typical with 8 voltage modules.
** Maximum load with 8 strain-gage modules.
You may need to consult power specifications for individual 5B modules and for any excitation currents required.
Worksheet for Power Requirements
Product Qty
×
Amps
=
Totals
WaveBook/512/512H
×=
WaveBook/516
×=
WBK10/10H
×=
WBK11
×=
WBK12
×=
WBK13
×=
WBK14
×=
WBK15
×=
WBK16
×=
Maximum
Amps
Input voltage to the system modules (WaveBook, WBK10/10H, WBK14, WBK15, and WBK16) must be
in the range of 10 to 30 VDC and can come from an AC-to-DC adapter or from a battery. System cards
(WBK11, WBK12, or WBK13) get power from their WaveBook or WBK10/10H expansion module.
Available AC-to-DC adapters include the TR-40U (supplied), which has an input of 90-264 VAC and an
output of 2.50 A @ 15 VDC.
Battery options include the DBK30A or other 10 to 30 VDC source such as a car battery. The DBK30A
provides 14 VDC and when fully-charged has a storage capacity of 3.4 Ahr; car batteries have much higher
capacities. The basic formula for battery life is:
Runtime (hr) = Battery capacity (A
⋅⋅
hr) / Current load (A)
Battery life and performance depend on various factors including battery type, condition, charge
level, and ambient temperature. Be sure you consider these factors, especially when runtime is a
critical.
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