Owner manual

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SIO4-104.2+2 User Manual

Electrical Characteristics

Specifications

RS-232 Receiver Inputs

• Voltage Range: ±15V

• Input Threshold Low: 0.8V Min, 1.5V Typical

• Input Threshold High: 2.4V Max, 1.8V Typical

RS-232 Driver Outputs

• Output Voltage Swing: ±5V Min, ±5.4V Typical @ 3K Ohm Load

• Short-circuit current: ±60mA Max, ±35mA Typical @ V

OUT

= 0V

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 Typical

• 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)