LDM485  RS-232/485 거리확장용 Converter

 

LDM485 Fully Isolated 거리확장용 
RS-232/485 Converter

  square02_darkbluegreen.gif Optical Isolation

  square02_darkbluegreen.gif RTS, CTS Handshake

  square02_darkbluegreen.gif Industrial Surge Protectors

  square02_darkbluegreen.gif 6 LED 상태 표시

  square02_darkbluegreen.gif 19,200 Baud로 5Km까지 통신 가능

  square02_darkbluegreen.gif Tri-State Output for MultiDrop      Applications

LDM485 사양 및 Data Sheet Download(PDF Format)

 

모델 선택 가이드

모  델  번  호

25-Pin 콘넥터

전   원

연  결  방  법

LDM485-P

Male

 

Screw Terminals

LDM485-S

Female

 

Screw Terminals

LDM485-PT

Male

U.S. Transformer

Screw Terminals

LDM485-ST

Female

U.S. Transformer

Screw Terminals

LDM485-PE

Male

European Transformer

Screw Terminals

LDM485-SE

Female

European Transformer

Screw Terminals

PT3                    U.S. Style Wall Mount Transformer, 120VAC

PT3E                  Euro Style Wall Mount Transformer, 220VAC

 

LDM485 사양

Baud Rate

0-57.6Kbps(Baud)

Baud Rate

   Distance(km)

  57.6K   38.4K   19.2K   9.6K   4.8K   2.4K-0

    0.8       1.7      5.0     6.7     8.3    13.3

Common Mode Isolation

Surge : 1500V,  Continues : 1000V

Wire Capacitance

Equal to 25pF per foot and up to 32 multidrop units

Maximum Multidrop Units

64

Differential Mode Surge Protection(9 devices)

(AC Input) ANSI/IEEE C37.90.1-1989 (all RS-485 Inputs & Outputs)
 

Modes

Asynchronous 4-wire Duplex, 2-wire half-duplex, 2-wire Simplex

Channel Lines(1)

TD, RD, RTS, CTS

Control Lines(1)

RTS, CTS, DTR, DSR, RLSD

Null Modem Switch

1(Reverses RS-232 pins 2 and 3)

RS-485 Output Drive

60mA max/output

RS-485 Input Impedance

12kΩ min/input

Power

12VAC ±10% at 10W,  +11.5 to +17VDC @400mA, -11.5 to +17VDC @100mA

Temperature

Operation : 0℃ to 70℃,   Storage : -40℃ to 85℃

Relative Humidity

0-95% non-condensing

Dimensions

6.6in x 2.1in x 1.28in(167.6mm x 53.3mm x 32.5mm)

Weight

7.0 oz (200g) max,   PT3 & PT3E : 11.0 oz (311.8g) max

MTBF(2)

>100,000 hrs

(1) TD = Transmit Data, RD = Receive Data, RTS = Request To Send, CTS = Clear To Send,
     DTR = Data Terminal Ready, DSR = Data Set Ready, RLSD = Received Line Signal Detect.

(2) Ground-benign environmental conditions(no salt atmosphere, <50℃ ambient temperature)

 

한국인텔리젼트시스템(Korea Intelligent System)  전화 : 02-3272-9301   Email : sales@intelligent.co.kr