C&H Technologies M 2 2 0 Bedienungsanleitung PDF herunterladen (Seite 13)

3.0 FUNCTIONAL DESCRIPTION

3.1 OVERVIEW

A simplified switching schematic is shown in Figure 2.

User

Connector

Pins

User

Connector

Pins

CH0 NC

CH0 NO

CH0 com

CH1 NC

CH1 NO

CH1 com

CH4 NC

CH4 NO

CH4 com

CH5 NC

CH5 NO

CH5 com

CH2 NC

CH2 NO

CH2 com

CH3 NC

CH3 NO

CH3 com

CH6 NC

CH6 NO

CH6 com

CH7 NC

CH7 NO

CH7 com

Channel 0

Channel 1

Channel 3

Channel 4

Channel 5

Channel 2

Channel 6

Channel 7

CGND: Pin4, 8, 12, 19, 23, 31-44

NC = Normally Closed

NO = Normally Open

com = Common

Figure 2. Switching Schematic

3.1.1 M-Module Interface

An M-Module interface allows communication between the M221 and the carrier module. The

interface is an asynchronous 16-bit data bus with interrupt capabilities. The interface adheres to

the ANSI/VITA 12-1996 Standard for The Mezzanine Concept M-Module Specification for MA

modules.

3.1.2 ID EEPROM

An EEPROM holds sixty-four 16-bit words of M-Module ID data and VXI M-Module data.

Refer Section 3.2.2 for more details.

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