Simrad SC90, Руководство по установке

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419050/B
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Simrad TU40 interface to generic RS-232 synchronization
input
For transmission synchronization purposes, the Simrad TU40 will interface a generic
RS-232 serial line communication port using the CTS (Clear To Send) and RTS (Request
To Send) signals.
The Trigger Unit provides one output and one input for each system that needs to be
synchronized. The system is connected to the IO Module inside the Trigger Unit. Each
IO Module in the Trigger Unit comprises an analog input module, a digital output
module and a solid state relay module.
Pin Signal Signal description
Screen(Green)
Screen
Cable screen
Input RTT
Ready to transmit: This is an input signal from the system
that needs to be synchronized. RTT means that the system is
ready for the next Trigger Out signal pulse.
Ground Ground Signal ground
Output Trigger Out This signal is transmitted to the system that needs to be
synchronized. Trigger Out allows the system to transmit
("ping").
A Local connection on the Processor Unit
B
Connections on the terminal block in the Trigger Unit (From left)
Unless otherwise specified, this cable must be provided by the installation shipyard.
A
Input (RTT)
B Ground (Signal ground)
C
Output (Trigger Out)
Cable layout and interconnections