Electrical Characteristics; Specifications - SeaLevel SIO-485.LPCI User Manual

Electrical Characteristics

Specifications

RS-422/485 Transceiver
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Temperature Range
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Power Requirements
• +5VDC @ 400 mA
Physical Dimensions
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© Sealevel Systems, Inc.
Bidirectional Transceiver
Meet or Exceed the Requirements of ANSI Standards TIA/EIA-422-B and
TIA/EIA-485-A and ITU Recommendations V.11 and X.27
Designed for Multipoint Transmission on Long Bus Lines in Noisy
Environments
3-State Driver and Receiver Outputs
Individual Driver and Receiver Enables
Wide Positive and Negative Input/Output Bus Voltage Ranges
Driver Output Capability . . . ±60 mA Max
Thermal Shutdown Protection
Driver Positive and Negative Current Limiting
Receiver Input Impedance . . . 12 kΩ Min
Receiver Input Sensitivity . . . ±200 mV
Receiver Input Hysteresis . . . 50 mV Typ
Operate From Single 5-V Supply
Operating: -0°C – 70°C
Storage: -50°C – 105°C
Length: 4.721 inches
Height: 2.536 inches
(11.99 cm)
(6.44 cm)
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SIO-485.LPCI User Manual