Black Box IC108A Betriebsanweisung PDF herunterladen (Seite 19)

Advant

Smart Device (HART

) Interface User’s Guide

Section 2.2.1 Connecting to an Advant Controller 410 Subsystem

3BUR 001 085R0001 REV A 2-7

The 3BUC900041R0001 cable (8 meters) between the MVI serial port and the RS-232/485

converter has the following pin assignments:

The Black Box IC108A is configured in the following manner:

Always refer to the documentation that comes with the equipment for more information.

Table 2-7. 3BUC900041R0001 MVI Serial Port to RS-232/485 Converter Cable

Description

MVI DTE

(1)

9-pin Female D connector

(1) Pins 1 and 9 are not used/connected.

RS-232/485 Converter

25-pin Male D connector

RD 2 3

TD 3 2

DTR 4 20

GND 5 7

DSR 6 6

RTS 7 4

CTS 8 5

Table 2-8. Black Box IC108A Set-up Requirements

Function

Switch/Jumper

Settings

Configure RS-232 port as DCE XW1 in position A

RTS/CTS/CD delay W5 in position A-B

Signal ground not connected to frame

ground

W7 is OUT

Half-duplex operation (2-wire) W8 in position B-C

RTS/CTS delay - 0ms W9 in position C

RS-485 driver is RS-232 RTS/CD

enabled

W15 in position A-B

Half-duplex turnaround delay - 0.1ms W16 in position B

RS-485 Driver Enable Hold - 7ms W17 in position B

Normal Operation S1 in OUT position

RS-485 Receiver Terminated S2 in ON position

RS-485 Line Bias ON S3 in ON position

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Black Box IC108A Betriebsanweisung Seite 19