Simrad ST90 - Simrad TU40 Interface to Generic RS-232 Synchronization Input

442703/B
221
SimradTU40interfacetogenericRS-232synchronization
input
Fortransmissionsynchronizationpurposes,theSimradTU40willinterfaceageneric
RS-232seriallinecommunicationportusingtheCTS(ClearToSend)andRTS(Request
ToSend)signals.
The_NotUsed_providesoneoutputandoneinputforeachhydroacousticsystem
thatneedstobesynchronized.EachsystemisconnectedtotheIOModuleinsidethe
_NotUsed_.EachIOModuleinthe_NotUsed_comprisesananaloginputmodule,a
digitaloutputmoduleandasolidstaterelaymodule.
PinSignalSignaldescription
Screen(Green)
Screen
Cablescreen
InputRTT
ReadytoTransmit:ReadytoTransmit(RTT)isareturn
signalfromthehydroacousticsystemthatissynchronized.
TheReadytoTransmit(RTT)signalmeansthatthe
hydroacousticsystemisreadyforthenexttrigger.
GroundGroundSignalground
Output
TriggerOutThissignalistransmittedtothesystemthatneedstobe
synchronized.TriggerOutallowsthesystemtotransmit
("ping").
ALocalconnectionontheProcessorUnit
BConnectionsontheterminalblockintheTriggerUnit(Fromleft)
Unlessotherwisespecied,thiscablemustbeprovidedbytheinstallationshipyard.
AInput(ReadytoTransmit(RTT))
BGround(Signalground)
Cablelayoutandinterconnections