Measurement-computing DBK41 Manual do Utilizador descarregar pdf

DBK41 10-Slot Expansion Module

Overview …… 1

Hardware Setup …… 2

Card Configuration …… 2

Power Configuration …… 2

Card Insertion …… 3

EMI Shield Plates for CE Compliance …… 4

System Connection …… 5

DBK41 – Specifications …… 5

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 DBK41 is a metal enclosure that holds up to 10 DBK cards. The exterior front panel has a male DB37

connector that leads to the LogBook or Daq device or further expansion via a CA-37-x cable. On the

inside of the front panel, a backplane printed circuit board (PCB) uses 10 female DB37s with their pins

connected in parallel to distribute the P1 interface (can also be used with P2 or P3). From the rear panel,

the DBKs’ signal input lines exit to their respective transducers.

An optional EMI kit provides shield plates for the rear panel to make the DBK41 CE-compliant and

prevent EMI from DBKs entering the test environment (or vice-versa). The EMI kit also functions as an

electrical safety barrier.

Some DBK cards require a lot of power, in relation to other cards, and the use of power is an important

concern. DBK cards can obtain power externally from a LogBook, DaqBook, DaqBoard; or internally

from a DBK32A or DBK33 card. Refer to Power Requirements in the DBK Basics section, as well as the

sections for the DBK32A and/or DBK33, as applicable.

A power card in any slot (other than the slot leftmost from rear view) will power the

other cards via the backplane. A front panel LED will light whenever power from any

source is on the backplane. DBK41’s JP1 jumper can be positioned to disable the +5 V

power line from the external DB37. This prevents a DBK33 power supply from

interfering with other devices.

DBK Option Cards and Modules 877095 DBK41, pg. 1

1 2 3 4 5 6

Resumo do Conteúdo

Página 1 - Overview

DBK41 10-Slot Expansion Module Overview …… 1 Hardware Setup …… 2 Card Configuration …… 2 Power Configuration …… 2 Card Insertion …… 3 EMI Shield

Página 2 - Hardware Setup

Hardware Setup Setup concerns include card and power configuration, proper card insertion, the use of EMI shields for CE compliance, and mounting [or

Página 3 - Card Insertion

JP1 and JP2 in LogBook/360 Proper jumper configuration limits LogBook/360’s P1 bus to one power source. There should never be more than one power so

Página 4

EMI Shield Plates for CE Compliance To reduce electro-magnetic interference (EMI) escaping from (or entering into) the enclosure, a CE kit provides

Página 5 - DBK41 - Specifications

System Connection A short ribbon cable (CA-37-x) attaches the DBK41 to the main unit. Connecting the DBK41 to any port other than P1 may damage devi

Página 6

DBK41, pg. 6 877095 DBK Option Cards and Modules

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Measurement-computing DBK41 Manual do Utilizador

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