AcQuisition Technology Quad M-module Carrier i4000 Hardware-Handbuch - Seite 11

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page 10

Module installation

4.1. Mounting the module

A maximum of four modules can be fitted on the i4000 base board. To plug in a module

slide the module from above under an angle on top of the i4000 and first position the

25-pole sub-D connector through the openings in the front cover. Then position the

24-pole female header on top of the corresponding header on the base board. Push the

module until the 40-pole header connector is positioned and press the module with care

in its place.

The module can be secured in its position using two or four screws (M3 * 5mm). The

older modules only have mounting provisions for the two screws on the 25-pole sub-D

connector but the newer modules have two additional screws to secure the module.

4.2. P2 connector assignments

Peripherals can be connected to M-modules in two ways. On the front side of the

module a 25-pole sub-D connector (or mechanically equivalent) can be used to connect

cables on the front panel of the VMEbus base board. Alternatively, a 24-pole header

connector interfaces the I/O signals to the base board where they are connected to the

VMEbus P2 connector.

In 32 bit VMEbus systems the backplane for the P2 connector must either be removed

for the i4000 slot or an i4000 without the P2 connector must be ordered. In that case

the peripherals can be connected to the M-module up front.

Figure 5 Orientation of 24-pole header connector

Every M-module has 24 pins of the P2 connector assigned. Four modules on a base

board can then use this I/O path.

This division into four pads of the P2 connector enables so called "module connector" to

be plugged into the back of a 96-way shroud, mounted on the "P2-backplane". On the

96-way connector 3 pins are not used for every module. Several manufacturers produce

these "module connectors, which can be coded and sometimes have latches.

AcQuisition Technology B.V.

P.O. Box 627, 5340 AP OSS, The Netherlands

Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com

i4000 - Quad M-module Carrier for VMEbus-

Tel: +31 412 651055

Fax: +31 412 651050