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双端口绝缘/非绝缘ISARS-422/485适配器,用于DOS、Windows 3.1x/95/98/ME/NT/2000/XP和OS/2通讯

OMG-ULTRA-SI0

Dual Port Isolated/Non Isolated ISA RS422/485 Adapter | OMG-ULTRA-SI0

Dual Port Isolated/Non Isolated ISA RS422/485 Adapter

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1年保修 CE
  • True Isolation Between Ports Providing 500 Vdc Isolation (OMG-ULTRA-SIO-I)
  • Automatic Control of RS485 Driver Enable (No Special Software Required)
  • Selectable COM: Port Address
  • Selectable and Sharable IRQ (2-7, 10-12, 14 and 15)
  • Compatible with Existing Communication Drivers
  • 16-Bit Addressing Eliminates I/O Conflicts
  • 16550 Buffered UART Standard/Full Array of Advanced UARTS Available
  • Selectable Termination, Echo Mode, Two/Four Wire Operation
  • DB-9P Connectors Providing TD, RD, RTS and CTS
  • Includes Windows Advanced COM Drivers and Help Files to Simplify Installation
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产品描述

The OMG-ULTRA-SIO provides the PC with two isolated RS422/485 Asynchronous links to data collection and other devices. Isolation is important in installations where the equipment connected to the PC is either located far from the host system, or on a different power transformer circuit. The optical isolation feature of the OMG-ULTRA-SIO-I eliminates the risk of ground loop current, a commonly neglected and misunderstood phenomenon which leads to data errors and destruction of communications equipment. Individually selectable addresses and extended “AT” interrupts allow for seamless integration into Windows and OS/2 systems. The OMG-ULTRA-SIO appears to the host system as a standard COM: port requiring no special drivers or additional software.

Software
WIN XP/Vista/7 drivers are included as well as support for Linux. The drivers provide IRQ sharing, advanced UART support and serial diagnostic utilities.

SPECIFICATIONS
Communications Chip: 16550 UART
Number of Ports: Dual RS422/485
Isolation: True 500 Vdc isolation (OMG-ULTRA-SIO-I only)
Max Data Rate: 115 kBPS
Max Data Distance: Up to 1524 m (5000')
RS485 Operation: Two or four wire
Operating Temperature: -18 to 50°C (0 to 122°F)
Storage Temperature: -20 to 70°C (-4 to 158°F)
Humidity Range: 10 to 90% RH
Current Specifications: OMG-ULTRA-SIO; +5V @ 440 mA; OMG-ULTRA-SIO-I; ±5V @ 600 mA
Connector(s): (2) DB–9P
Physical Dimensions: 18.67 L x 10.67 H cm (7.35 x 4.2")
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OMG-ULTRA-SIO
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Dual port non-isolated RS422/485 interface
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OMG-ULTRA-SIO-I
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Dual port isolated RS422/485 interface
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注: Comes with complete operator's manual and serial utility CD.