Connect Tech Echo/ISA Manual de usuario descargar pdf (Pagina 71)

Chapter 4: Appendix A - Specifications 4-1

Echo User's Manual, ver. 0.00

Appendix A: Specifications

Operating Environment

 Storage temperature: -60 ° C to 100 ° C

 Operating temperature: 5 ° C to 65 ° C

 Relative humidity: 5 - 90% no condensing

 Air movement: no requirement

 Altitude: 15,000 feet (5000 metres)

Power Requirements

Typical @ 20°C; +20%, -5% on the current (DC) value

 Echo 8 ports RS-485

+5 VDC +/- 5% @ 125mA (no driver loads)

@ 445mA (all drivers loaded)

 Echo 8 ports RS-232

+5 VDC +/- 5% @ 100 mA

+12 VDC +/- 10% @ 5 mA (no driver loads)

@ 100 mA (all drivers loaded)

-12 VDC +/- 10% @ 4 mA (no driver loads)

@100 mA (all drivers loaded)

PC Bus Interface

 PC interrupt is jumper selectable, (3, 4, 5, 7, 10, 11, 12, or

15)

 Base address for I/O ports is DIP switch selectable

 One half length ISA 8 bit or 16 bit slot

Communications

 16C654 UARTs communication controllers

 Programmable baud rate generator - up to 115K baud on all

ports

Control Signals

 RS-232 RxD, TxD, RTS, CTS, DTR, DCD,

DSR, RI

 RS-422/485 RX±, TX±, RTS±, CTS±

Dimensions

 Length: 16.4 cm

Height: 10.6 cm

Connectors/Interface

 DB-9 or DB-25 male cable or connector box

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Connect Tech Echo/ISA Manual de usuario Pagina 71