DirectNET Protocol

Koyo DirectNET protocol is used by DirectLOGIC PLCs from Automation Direct and is used in APS vacuum controls since 1999. It is a master/slave protocol making use of RS-232 or RS-422 physical layers with a baud rate from 300 to 38,400. It is designed to drive a maximum of 90 PLCs on a serial line.

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Automation protocols

Process automation	AS-i BSAP CC-Link Industrial Networks CIP CAN bus CANopen DeviceNet ControlNet DF-1 DirectNET EtherCAT Ethernet Global Data (EGD) Ethernet Powerlink EtherNet/IP Factory Instrumentation Protocol FINS FOUNDATION fieldbus H1 HSE GE SRTP HART Protocol Honeywell SDS HostLink INTERBUS MECHATROLINK MelsecNet Modbus Optomux PieP Profibus PROFINET IO RAPIEnet SERCOS interface SERCOS III Sinec H1 SynqNet TTEthernet

Industrial control system	MTConnect OPC DA OPC HDA OPC UA

Building automation	1-Wire BACnet C-Bus DALI DSI Factory Instrumentation Protocol KNX LonTalk Modbus oBIX VSCP X10 xAP xPL ZigBee

Power-system automation	IEC 60870 IEC 60870-5 IEC 60870-6 DNP3 Factory Instrumentation Protocol IEC 61850 IEC 62351 Modbus Profibus

Automatic meter reading	ANSI C12.18 IEC 61107 DLMS/IEC 62056 M-Bus Modbus ZigBee

Automobile / Vehicle	AFDX ARINC 429 CAN bus ARINC 825 SAE J1939 NMEA 2000 FMS Factory Instrumentation Protocol FlexRay IEBus J1587 J1708 Keyword Protocol 2000 Unified Diagnostic Services LIN MOST VAN

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