DCP-485

DCP-485

分  类:其它

品  牌:欧米茄

厂  商:Omega工业测量(中国)

型  号:DCP-485

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发布时间:2019-12-19 18:15 浏览人数:

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包装
  • 1500 VRMS Isolation withOptical Couplers andPower dc-to-dc Converter(6,000 Vdc, 1 min)
  • Industrial SurgeProtection Devicesand 15 KV ESD ProtectedRS-232 Inherent
  • Four LED DiagnosticIndicators
  • 115.2 K BPS (BAUD)at 0.8 mile (1.3 km),38.4 K BPS (BAUD)at 1 mile (1.6 km)
  • RTS, DTR, or AutoRS-485 TransmitterControl
  • Tri-State Outputs forMultidrop Applications,up to 32 Devices
  • Pluggable SolderlessScrew Terminal FieldConnections
  • Easily Mounts onStandard DIN Rail
  • 2-Wire or 4-Wire RS-485

  • The DCP-485 is a compact RS-232-to-RS-485 converter which featuresa complete electrical isolationbarrier and heavy duty electricalsurge protectors. These devicesfeature a DIN rail mountableenclosure, for application to ajunction box, a panel, a relay rack,the side of your computer, oranywhere a DIN rail can bemounted. Isolation is provided byoptical couplers and a transformer-isolateddc-to-dc converter. TheRS-232 connection is made throughmale or female EIA 9-pin D subconnectors, or a 3-wire RS-232connection can be made throughconvenient pluggable screwterminals. The RS-485 connectionsare made through convenientpluggable solderless screw terminals.The DCP-485 series is designed forfull duplex operation over two-wirepairs. Outputs are tri-state, allowingmultidropping of up to 32 units. Datarates are up to 115.2 K bits persecond (baud). Four diagnostic LED indicators are providedfor installation guidanceand system troubleshooting. TheRS-232 interface includes RequestTo Send (RTS) and Data TerminalReady (DTR), either of which can beused via a DIP switch to enable theRS-485 transmitter. Alternately, theDCP-485 offers automatic lineswitching: the RS-485 transmitter isenabled automatically by eachcharacter sent on the RS-232Transmit Data (TD) line.Additionally, the RS-485 transmitterand receiver can be independentlyenabled continuously or underRS-232 control. A convenient nullmodem switch is provided for thedata lines. Also, line terminationswitches independently connect linetermination and line bias resistors tothe RS-485 lines. The units arepowered from wide-range voltagesof +10 to +30 Vdc through pluggablesolderless screw terminals.

    SPECIFICATIONS
    Baud Rates (bps): 115.2 K, 57.6 K,38.4 K, 19.2 K, 9.6 K, 4.8 K, 0-2.4 K
    Distance (miles): 0.8, 0.9, 1.0, 2.6,3.5, 4.0, 7.0
    Distance (km): 1.3, 1.5, 1.6, 4.2,5.6, 6.4, 11.3
    Wire Capacitance: Equal to 25 pFper foot and up to 32 multidrop units
    Max Multidrop Units: 32

    COMMON MODE ISOLATION
    Surge: 6000 Vdc, 1 min
    Continuous: 1500 Vrms
    Differential Mode Surge Protection: dc input and RS232inputs and outputs, RS485 inputs and outputs
    Modes: Asynchronous 4–wire duplex, 2–wire half duplex, 2–wire simplex
    Channel Lines: (1) TD, RD
    Control Lines: (1) RTS, DTR
    Null Modem Switch: 1 (Reverses RS232 pins 2 and 3)
    RS485 Output Drive: 28 mA max/output
    RS485 Input Impedance: 12 kΩ min/input
    Power: 10 to 30 Vdc @ 150 mA max

    TEMPERATURE
    Operating Range: 0 to 60°C (32 to 140°F)
    Storage Range: 0 to 70°C (32 to 158°F)
    Relative Humidity: 0 to 95 %RH non-condensing
    Altitude: To 4574 m (15,000')
    Dimensions: 109 H x 84 W x 22.5 mm D (4.3 x 3.3 x 0.89")
    Weight: 130 g (4.6 oz)
    MTBF: (2) >100,000 hrs

























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