How To Set Up The Simrad Iti Trawl System Interface - Simrad ES70 - INSTALLATION REV A Installation Manual

Related topics
• RJ45 Ethernet, straight on page 49
• RJ45 Ethernet, crossover on page 50

How to set up the Simrad ITI Trawl system interface

Communication with the Simrad ITI (Integrated Trawl Instrumentation) is based on
NMEA and proprietary telegrams.
Supported telegram formats
• DBS Depth below surface on page 161
• DBS Depth of trawl below surface on page 170
• HFB Trawl headrope to footrope and bottom on page 170
Wiring procedure for serial communication
1 Locate a free RS-232 serial port that can be used to connect the ITI system.
On the ES70 computer, connect the receive signal
2
on pin 3, and
Tx
→ Generic RS-232 Serial line on page 42
3 On the ITI transceiver, use connector
2, the transmit signal
→ ITI serial line on page 60
4 Ensure that the length of the cable does not exceed approximately 50 meters. If a
longer cable is required, you may need to use buffer amplifiers on the serial line.
Setup procedure
This procedure explains how the ES70 can be set up to receive ITI information on a
serial port.
1 Click the icon under the
Setup
2 Click
Installation
On the sub-menu
In the dialog, select which serial line to use to accept ITI information.
3
I/O Setup
4 Click on the chosen port to select it, then click the
dialog.
Inputs
343522/A
on pin 5.
ground
Serial A
on pin 3, and
Tx
menu to open the
Main
to open the
Installation
to open the
I/O Setup
Interfaces and integration
on pin 2, the transmit signal
Rx
. Connect the receive signal
on pin 5.
ground
Setup
sub-menu.
dialog.
I/O Setup
button to open the
Input
on pin
Rx
sub-menu.
Select
87