2280 Series System

• Maximum Inputs & Outputs: ≤1500 points per system
• Scanning Speed:
  * Up to 16 channels  per second with 1 A/D option
  * Up to 30 channels per  second with 2 A/D options

2280 Series Mainframe

• I/O Capacity: six slots for input and output options.  One of the six slots must contain an A-to D converter option when one or more analog input options are used
• Internal Printer: 40 alphanumeric characters per line

2281A Extender Chassis

• Capacity: same plug-in options as 2280B

Options

• High Performance A/D Converter Option (-161): one per 2280B required for any analog measurement inputs
• Ranges: ±64 mV, ±512 mV, ±8V, and ±64V dc
• Input Options

  For These Inputs	Use Connector Option	With Scanner Option	Maximum Inputs Per Scanner
  Thermocouples	-175	-162	20
  DC Voltage	-176 or 175	-162	20

• Other 2280 Series Options
  * RS-232-C Interface Option (-341)
  * IEEE-488 Interface Option (-342)