Impulse SIO4-104.485 (3543) - Manual (Page 13)

© Sealevel Systems, Inc. - 11 - SIO4-104.485 User Manual
Electrical Characteristics
Specifications
RS-422/485 Transceiver
• 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 k Min
• Receiver Input Sensitivity . . . ±200 mV
• Receiver Input Hysteresis . . . 50 mV Typ
• Operate From Single 5-V Supply
Temperature Range
• Operating: -0°C – 70°C
• Storage:
-50°C – 105°C
Power Requirements
• +5VDC @ 794mA
Physical Dimensions
• Length: 3.550
inches (9.017cm)
• Height: 3.775
inches (9.589cm)