RS-485 physical layer

GPTKB entity

Statements (28)
Predicate Object
gptkbp:instanceOf physical layer standard
gptkbp:allows half-duplex communication
full-duplex communication (with 4 wires)
gptkbp:application industrial automation
building automation
modbus
profibus
gptkbp:connectorType various (no standard)
gptkbp:dataRate 10 Mbps
gptkbp:definedIn gptkb:TIA/EIA-485
https://www.w3.org/2000/01/rdf-schema#label RS-485 physical layer
gptkbp:immunityToNoise high
gptkbp:maximumDevices 32 drivers and 32 receivers
gptkbp:maximumLength 1200 meters
gptkbp:minimumDifferentialOutputVoltage 1.5V
gptkbp:minimumInputSensitivity 200 mV
gptkbp:operatingSystem -7V to +12V
-40°C to +85°C (typical)
gptkbp:partOf gptkb:RS-485
gptkbp:standardizedBy gptkb:Electronic_Industries_Alliance_(EIA)
gptkb:Telecommunications_Industry_Association_(TIA)
gptkbp:supports multipoint systems
gptkbp:terminationRequired yes
gptkbp:topology bus topology
gptkbp:usedFor serial communication
gptkbp:uses differential signaling
gptkbp:bfsParent gptkb:Profibus_FMS
gptkbp:bfsLayer 7