CHAPTER2COMMONSPECIFICATIONS1 2.1SpecificationsofRS-485Communications2-1 2.1.1SpecificationoftheRJ-45connectorforRS-485communications(modularjack)2-3 2.1.2SpecificationoftheterminalforRS-485communications2-4 2.1.3RJ-45connector(modularjack)forfunctionexpansion2-5 2.1.4SpecificationofconnectioncableforRS-485te...
SYSTEM CONFIGURATION 13 NETWORK TOPOLOGIES 13 TWO WIRE OR FOUR WIRE SYSTEMS 13 TERMINATION 16 BIASING AN RS-485 NETWORK 17 EXTENDING THE SPECIFICATION 19 CHAPTER 3: SELECTING RS-422 AND RS-485 CABLING 20 NUMBER OF CONDUCTORS 20 SHIELDING 20 CABLE CHARACTERISTICS 20 CHAPTER 4: TRANSIENT PROTECTION...
●MODBUS.orgMODBUSoverSerialLineSpecificationImplementationguideV1.02 PACRS485 10Manual,02/2008,A5-01 Safetynotes2 2.1Safetynotes Generalsafetynotes DANGER Danger!Highvoltage Willcausedeathorseriousinjury. Turnoffandlockoutallpowersupplyingthisdevicebeforeworkingonthisdevice. ...
suitableformulti-pointapplicationsoverlongcableruns. TheTPT485NisavailableinSOP8package,andis characterizedfrom–40°Cto125°C. 3PEAKandthe3PEAKlogoareregisteredtrademarksof 3PEAKINCORPORATED.Allothertrademarksarethepropertyoftheir respectiveowners. TP485E ...
RS-485双向通信线缆说明书 Part Number: 3106A RS-485, (1 pr) 22 AWG (7x30) TC & (1) 22 AWG (7x30) TC, FHDPE/PVC,Foil+TC Braid Shld, CM, PLTC Product Description One 22 AWG pair stranded (7x30) tinned copper conductors & one 22 AWG stranded (7x30) tinned copper conductor, ...
Max. Pull Tension: Bulk Cable Weight:56.7 lbs (25.7 kg) 38 lbs/1000ftStandards and ComplianceEnvironmental Suitability: IndoorFlammability / Reaction NFPA 262, UL 910 (Plenum), FT6, IEC 60332-1-2 to Fire:CPR Compliance:CPR Euroclass: Eca...
As with RS-232, digital isolators do not support the RS-485 standard, so they cannot be used between the transceiver and the cable; instead they are used between the transceiver and the local system. The system side of the transceiver typically connects to the local bus or a processor. ...
The use of low quality cable will result in excess signal attenuation and data loss. 3.3.2 Network Limitations There are several limiting factors that must be taken into consideration when building an RS-485 LECOM network: • LECOM-B networks are limited to: 31 devices (w/o repeaters); ...
Our RS-485 Cable Specification Guide will explain cable types, noise rejection, and termination resistor locations. Learn how Maxim Integrated can help.
RS485 Length Specification FEATURES APPLICATIONS n Very Low Power: I CC = 110µA Typ n Designed for RS485 or RS422 Applications n Single 5V Supply n –7V to 12V Bus Common-Mode Range Permits ±7V GND Difference Between Devices on the Bus n Thermal Shutdown Protection n Power-Up...