Appendix A
Appendix A Technical Specification A
-5
A.2 ADAM-4011D Thermocouple Input Module with LED
Display
Table A-3 ADAM-4011D Specifications
T/C channel number 1
Input range
J, K, T, E, R, S and B Thermocouple
±15 mV, ±50 mV, ±100 mV, ±500mV,
±1 V, ±2.5 V and ±20mA
Output
speed (in bps)
Maximum distance
RS-485 (2-Wire)
1200, 2400, 4800, 9600, 19.2K, 38.4K,
57.6K, 115.2K
4000 ft. (1200 m.)
Accuracy ±0.05% or better
Zero drift ±6 μV/℃
Span drift ±25 ppm/℃
Isolation-rated voltage 3000 VDC
CMR @ 50/60 Hz 150 dB
NMR @ 50/60 Hz 100 dB
Resolution 16-bit
Sampling rate 10 samples/second
Input impedance Voltage: 2 MΩ, Current: 125 Ω
LED indicator 5 digit readout
Digital output
Sink current
Power dissipation
2 channels open collector to 30 V
30 mA maximum load
300 mW
Digital input
Logic level 0
Logic level 1
Pull up current
1 channel
+1 V maximum
+3.5 to +30 V
0.5 mA
Event counter
Max. input frequency
Min. pulse width
50 Hz
1 msec
Support protocol ADAM ASCII
Watchdog timer 1.6 second (System)
Power supply +10 to +30 VDC (non-regulated)
Power consumption 1.4 W @ 24 VDC