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SRAO 2 Channel Analog Output Board
Overview
2 Channel Analog Output BoardThe Automation and Electronics, Inc. SRAO board was designed to provide analog output expansion capabilities for the SRTU simple RTU.
The SRAO is a two channel 4-20 mA analog output daughter board that plugs onto the SRTU board. The outputs require an external 24 VDC source to supply power for both current loops.
Features
- Two each 16-bit 4-20 mA analog outputs (SRTU provides 12-bit data)
- Supply can be isolated or non-isolated
- LED fault indicators for open loop conditions
Specifications
| Mechanical | |
|---|---|
| Size: | 3-1/2" x 2-3/4" PC board |
| Mounting: | SRTU daughter board |
| Environmental | |
| Operating temperature: | -40 to 158 deg. F (-40 to 70 deg. C) |
| Relative humidity: | 5 to 90% non-condensing |
| Power requirements | 10 mA @ 12 VDC |
| Outputs | |
| Analog outputs: | Two; 0-20 mA or 4-20 mA 16-bit conversion; 0.15% maximum error; RLoad 100 Ohm min; ((VL-3)/.02) max |
| Loop power: | External 24 VDC |
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