Specifications

Section-2 Installation
November 11, 2013
2‐34
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WARNING:Disconnectprimarypowerpriortoservicing. 888‐2628‐300
ExternalParallelremotecontrolunitscaninterfaceattheCustomerI/OBoardatthetopofthecabinet.J13through
J17areforremoteControl,StatusandAnaloguereadings.Theconnectorsareorganizedasfollows:
• J3,J4andJ5‐RemoteTransmitterControlFunctions
• J6,J7andJ8‐RemoteStatusOutputs
• J9‐RemoteAnalogueMeteringOutputs
Note
The forward slash (/) in front of a signal name means active low. The signal named "/INPUT 1" for exam-
ple is activated by bringing that input low. Signal names without the forward slash are considered active
high. This convention is used throughout the schematics.
2.18.2 TransmitterControlFunctionsJ3,J4andJ5
Allcontrolinputsuseopto‐isolatorsforsurgeprotection.Theopto‐isolatorsarepoweredbyaninternal+5Vdcfrom
anisolationprotectioncircuit.
Alltransmittercontrolfunctions(exceptRemoteRFMute,RFSwitchPositionAandRFSwitchPositionB,which are
activeLOWorHIGHlevelinputstates)aremomentarygroundswitchingandrequiretheremotecontrolequipment
tosinkatleast15mAtoactivatethefunction.ThepinoutsofJ3,J4and
J5arelistedinTable2‐12.
Table2‐12J3,J4&J5,CustomerI/OBoard,Re mo te ControlConnectors
Connectorandpin# Function CommandTypeandPolarity
J3‐1 GROUND
J3‐2 TransmitterON PulsedLOW
J3‐3 TransmitterOFF PulsedLOW
J3‐4 RAISEPower PulsedLOW
J3‐5 LOWERPower PulsedLOW
J3‐6
J3‐7 GROUND
J3‐8 ExciterASelect Pulse dLOW
J3‐9 ExciterBSelect PulsedLOW
J3‐10 ExciterAutoSelect PulsedLOW
J3‐11 ExciterManualSelect PulsedLOW
J3‐12 GROUND
J4‐1 GROUND
J4‐2 IPAASelect PulsedLOW
J4‐3 IPABSelect PulsedLOW
J4‐4 IPAAUTOSelect PulsedLOW
J4‐5 IPAMANUALSelect PulsedLOW
J4‐6 GROUND GNDA
J4‐7 PumpSwitchCommand PulsedLOW
J4‐8 SPARE 
J4‐9 PumpAutoSelect PulsedLOW
J4‐10 PumpManualSelect PulsedLOW
J4‐11 GROUND GNDA
J4‐12 GROUND GNDA