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Appendix 1 - Device Specifications - EA-1 Ethernet Adapter:
Specifications, Thermopile & Photodiode Sensors:
Input Ranges
15nA - 1.5mA full scale in 16 ranges
A-to-D Sampling rate
15Hz
A-to-D Resolution
~17 bits plus sign
Electrical accuracy
±0.25% ±20pA new; ±0.5% ±50pA after 1 year
Electrical input noise level
500nV or 1.5pA + 0.0015% of input range @3Hz.
Specifications, Pyroelectric & PD-C Sensors:
Input Range
0 - 6v full scale
(note: most sensors drive 0-3.3v)
A-to-D Sampling Rate
One sample per pulse, up to 40kHz (Binary CS mode)
A-to-D Resolution
12 bits, no sign
Electrical accuracy
±0.25% new; ±0.5% after 1 year
Electrical input noise
2mV
Max data rate (every pulse), Command Mode
~10Hz
Max data rate (every pulse), ASCII CS Mode
~14kHz
Max data rate (every pulse), Binary CS Mode
~40kHz
Timestamp precision
1us (0.001ms)
General Specifications:
Dimensions
73mm W x 93mm L x 29mm H
Mass
~0.1kg
Ethernet Specifications
10/100 Ethernet (10Base-T/100Base-TX)
Ethernet Protocols Supported
Telnet, HTTP, UDP, DHCP
Power Consumption
~1.3W
Power Input, PoE
48V DC, Powered directly over Ethernet bus via RJ-45
Power Input, External
12-24v DC, dual polarity, socket for 5.5mm barrel plug