Marathon Monitors Inc.

Communication module 1

 

 

 

 

 

 

The Models AACC 2000 will accept a plug-in communications modules.

 

The possible module types are shown in the table below.

 

 

The serial communications can be configured for either Modbus, or MMI

protocol.

 

 

 

 

 

 

 

Communications module 1

 

 

Terminal identity (COMMS 1)

 

 

 

 

 

 

 

 

Module type

HA

HB

HC

HD

HE

HF

 

 

 

 

 

 

 

2-wire EIA-485 serial

Common

A (-)

B (+)

communications

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

EIA-232 serial communications

Common

Rx

Tx

 

 

 

 

 

 

 

 

 

 

 

Table 1-3 Communication module 1 connections

AACC 2000 Carbon

20

Nov. 1, 1997

 

 

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Image 20
Marathon Computer AACC 2000 manual Communication module