Simrad SP270 Installationshandbuch PDF herunterladen (Seite 79)

Installation procedures

851-160572 / B

When connecting the 9-pin D-connector, note that each of the

three types of serial lines has different connection pins:

RS232: Serial line signal PORT B pin-2

Signal reference PORT B pin-5

RS422: RS422+ PORT B pin-1

RS422$ PORT B pin-4

20mA current loop: CLI+ PORT B pin-6

CLI- PORT B pin-9

1 Use a 9-pin D-connector, male type, for connecting the

serial line to port B on the Sonar Control Unit (this

connector is not included in the delivery). To make the

connections, refer to the pin connection list above, and

figure 22 which shows the pin location of the connector

seen from the wire soldering side. The cable screen should

be connected to the connector housing.

9 8 7 6

MALE

(CD1872)

CLI-

CLI+

RS232-

RS422-

RS232+

RS422+

5 4 3 2 1

Figure 22 Connections for a

gyro with serial line output

2 In order to read the data from the gyro, some DIL switches

and links on the printed circuit board in the electronic

drawer unit behind the operator panel must be selected.

Use the following procedure to set the switches:

3 Set the switch S101 at the rear panel on the Sonar Control

Unit to OFF position. For location of the switch, refer to

figure 14.

4 Disconnect all connections to the rear panel on the Sonar

Control Unit.

5 Use the 3 mm Allen key to unscrew the four screws on the

front of the operator panel, and pull the electronic drawer

carefully out. Note the two cables to the display on the top

of the drawer unit.

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Simrad SP270 Installationshandbuch Seite 79