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Helios Series Data Logging System Front
End
Helios 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
- Interface:
* RS-232C or RS-422
* Baud rate: 110,300,600,1200,2400,4800,9600,19200
* Multi-Drop Capability via RS-422 - up to 10 Helios Mainframes
2289A Helios 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
2281A Extender Chassis
- Capacity: same plug-in options as 2289A
Options
- High Performance A/D Converter Option (-161): one per 2289A 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 available upon request
* ACV/DCV Input Connector
* RTD/ohms Scanner/Excitation
* RTD/ohms/Strain Scanner/Excitation
* Counter/Totalizer
* Digital Status Input/Output
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