890USE14500
512/612ModiconMicroPLCs
1
Contents
GeneralHardwareCharacteristics 3................................
HardwareCharacteristics 3...................................
PLCOperatingModes 4......................................
MemoryResources 4........................................
MemoryBackupOptions 4....................................
GeneralHardwareOverview 5.....................................
TheI/OTerminalBlocks 5....................................
TheJ1andJ2Screws 6......................................
WiringExternalPower 6......................................
PLCStatusDisplay 8........................................
CommPorts 8..............................................
A120I/OExpansionPort 9....................................
FixedAnalogI/Ointhe612Models 10.........................
BaseUnitSpecifications 12.......................................
Electrical 12................................................
Environmental 15............................................
OptionalHardwarePartNumbers 16...........................
PartialSamplingofAvailableA120I/OModules 17...............
FixedI/OSpecifications 18........................................
115VACInputs 24...........................................
230VACInputs 25...........................................
24VDCInputs 26...........................................
User-selectableHigh-speedCounter/interruptInputs 29..........
DedicatedHigh-speedInterruptInputs 31.......................
RelayOutputs 32............................................
TriacOutputs 35.............................................
24VDC(FET)Outputs 37....................................
AnalogInputs 39............................................
AnalogOutputs 41...........................................
InstallationGuidelines 43.........................................
MountingOptions 43.........................................
InstallingtheOptionalBatteryorBatteryCapacitor 48...............
SerialI/OExpansionLink 49.......................................
TerminatingtheLink 50.......................................
A120I/OExpansion 51............................................
CalculatingPowerRequirementsinanA120I/O
ExpansionSystem 51...............................
A120I/OExpansionRacks 52.................................
ConnectingthePLCtoaProgrammingPanel 56....................
RS-232CableCables 56.....................................
RS-232CableConnectors 56.................................
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