Installation manual

Introduction
39
851--160116 / B
7.3 Connecting the speed log
The Sonar Control Unit can be connected to a speed log with one
of the following outputs (tick off for the type which will be
connected):
j Pulse log (100, 200 or 400 pulses per nautical mile)
j Serial line (RS232, RS422 or 20mA current loop)
The connection of these different speed log outputs is described
in the following chapters.
Connecting the pulse log
The Sonar Control Unit can be connected to a pulse log with one
of the following outputs (tick off for the type which will be
connected):
j 100 pulses per nautical mile
j 200 pulses per nautical mile
j 400 pulses per nautical mile
For any type of log output (relay, open collector, or opto- coupler),
the output must be free from other connections.
Figure 22 shows the connection of a pulse log with relay output.
For connection of open collector, or opto-coupler outputs, be
aware of the polarization (see figure 23).
j Locatethe9--pinD--connector,theconnectorhousingand
the shrink tube in the spare parts box, and make the
plug--connections. The cable screen should be connected
to the connector housing.
Figure 22 - Connections for a pulse log with
relay output
j Locate the DIL switch S1 on the Control Unit Board
(refer to figure 19), and set the switches according to the
table below.