Measurement-computing DBK34 User Manual download pdf

DBK34 Vehicle UPS Module

Overview …… 1

Hardware Setup …… 2

Configuration …… 2

Connection …… 3

DBK34 Operation …… 3

Environmental Concerns …… 4

Fuse Replacement …… 4

DBK34 – Specifications …… 5

DBK34 is similar to DBK34A in appearance and operation; but there are differences. Before

proceeding with this section, verify that your device is a DBK34. If your device has an “A”

suffix, use the document module regarding the DBK34A UPS /Battery Module instead of this

document module.

Reference Notes:

o Chapter 2 includes pinouts for P1, P2, P3, and P4. Refer to pinouts applicable to your

system, as needed.

o In regard to calculating system power requirements, refer to DBK Basics located near

the front of this manual.

Overview

The DBK34 can power a data acquisition system in portable and in-vehicle applications (both 12 and 24 V

systems). Power storage capacity is 5 A-hr @ 12 VDC or 2.5 A-hr @ 24 VDC.

For reliable data acquisition in a vehicle, the DBK34 provides clean and consistent operating power:

• Prior to engine/generator start

• During engine start-up (battery sag due to the high-current demand of starter motor and

solenoid)

• After engine turn off.

DBK34 Front Panel

The DBK34 contains two sealed-lead rechargeable batteries and associated charging circuits and current

indicators. Typically, these batteries can last more than 500 full cycles and up to 10 years standby lifetime

at room temperature. Recharging is fast, and extreme temperature performance is good. The DBK34 can

be used with the LogBook, DaqBook, WaveBook, and related DBKs and WBKs. The unit’s rugged metal

package has a compatible 8×11” footprint for convenient stacking with dual-lock tabs and optional splice

plates and handles for carrying.

DBK Option Cards and Modules 879795 DBK34, pg. 1

1 2 3 4 5 6

Summary of Contents

Page 1 - DBK34 Vehicle UPS Module

DBK34 Vehicle UPS Module Overview …… 1 Hardware Setup …… 2 Configuration …… 2 Connection …… 3 DBK34 Operation …… 3 Environmental Concerns …… 4 Fuse

Page 2 - Hardware Setup

Main and auxiliary power input comes from 12 or 24 VDC via a terminal block on the unit’s front panel (12 or 24 V modes are set by front-panel jumpers

Page 3 - DBK34 Operation

Connection Power In - (vehicle main/auxiliary batteries, 12 or 24 VDC only) Connect main battery positive to terminal 3 of TB1 and main negative to t

Page 4 - Fuse Replacement

Environmental Concerns CAUTION The DBK34’s batteries contain toxic materials (Pb and H2SO4). After the battery’s life cycle is over (up to 500 f

Page 5 - DBK34 - Specifications

DBK Option Cards and Modules 879795 DBK34, pg. 5 DBK34 - Specifications Name/Function: Vehicle UPS Module Battery Type: Sealed-lead rechargeable

Page 6

DBK34, pg. 6 879795 DBK Option Cards and Modules

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Measurement-computing DBK34 User Manual

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