IRIS-SC Digital Signal Conditioning Card
IRIS-SC Digital Signal Conditioning Card

IRIS-SC Digital Signal Conditioning Card

Highlights:

The IRIS-SC digital signal conditioning card is a powerful control device designed for use with all Jewell miniature tilt sensors. Output is ASCII RS-232 or RS-422(485) serial. Standard firmware includes five user-programmable alarm/trigger thresholds for tilts tilt switch/control applications. When a selected threshold is reached, the circuitry sets the output high
on one of the pins in the H3 control connector. Other firmware features include user-programmable data output rates, sample averaging, autozero (nulling), and baud rate. The IRIS-SC can also log up to 22,000 samples to internal memory for data dump/download on user command.

All IRIS-SC units include calibration when ordered with Jewell miniature tilt sensors (specify calibrated range on order).

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Additional information
Weight 1.1 oz
Dimensions 2.6 × 2.6 × 1.0 in
A Full-Featured Signal Conditioner

IRIS-SC is a versatile dual-channel signal conditioner. Serial ASCII data are output as either RS-232 or RS-422(485) signals for recording by an external terminal or computer. Important features are firmware-controlled and user-selectable. These include output data rates and formats, signal averaging autozero (nulling), and internal data storage (logging). Several output data formats are provided, all of which include X tilt, Y tilt, Temperature, and Serial Number information.
A Powerful Control Device

The firmware on the standard IRIS board has 5 user-programmable thresholds. When a tilt measurement is taken, it is compared to each of these thresholds: +X tilt, -X tilt, +Y tilt, -Y tilt, and tilt in any direction. If the measurement exceeds one or more of the thresholds, the corresponding output pin(s) in the H3 connector, is set high (5V), as shown below. If the threshold is not exceeded, the output remains at 0 Volts. The reference angle for the threshold measurement is selected using the autozero command. Threshold checking may be turned off with a single firmware command when it is not needed
Performance Specifications

Performance Specifications

Input ChannelsTwo Tilt Channel (X and Y)
Resolution16-bit ADC
OutputRS-232 and RS-422 (RS-485 Full Duplex) Digital Serial, ASCII
Temperature OutputOnboard Temperature Sensor
Sample RatesUser-selectable from 10/second to 1/hour
Data Storage512 kB of nonvolatile Flash Memory available (approx. 22,000 samples)
Baud Rate9600 (default), 19200, 28800, 57600, 115200, 230400
Data FormatNMEA XDR, Trimble TCM, Ashtech, Simple (X, Y, temp., S/N)
Control Outputs8 TTL-compatible CMOS control outputs (0-5 VDC);
20mA source Power per channel (not to exceed 100mA across all 8 channels)
Power Requirements7-28 VDC @ 27 mA, 250 mV ripple max., reverse polarity and surge protected.
Environmental-40° to +85°C Operation and storage
0-90% humidity non-condensing
ConnectionsFour 24-in cables included: Two for signal (H1, one for RS-232 and another for RS-485);
Power (H2); Control Output (H3)

*Specifications subject to change without notice on account of continued product development

Downloads

Downloads

Datasheet

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