Marathon Computer V3.5 user manual Digital Interfaces, Host Communications

MMI Product Documentation

Digital Interfaces

Host Communications

The Host communications are able to be set from the front panel: see “Setup and Configuration”. The UNIPRO is suitable for connection to a host computer for intelligent overall process monitoring or supervision. Terminal connections are made on the rear panel: See the connections label on the instrument. Twisted pair wire with or without a shield must be used for all communications wiring. Conventional RS-232 cable is required along with a half-duplex RS-232/422 convertor (P/N FG/500-0501). With a 9-Pin or 25-Pin female connector depending on Host Computers connector, some of the pins on the computer end of the connector should be jumpered together as follows: 9-Pin: 1,4,6,8 or 25-Pin: 5,6,8,20. The UNIPRO never initiates

Unipro 3.5 Process Control 1 Aug. 1997