Technical Specifications
A-
8
ADAM 4000 Series User’s Manual
A.3 ADAM-4012 Analog Input Module
Table A-5 ADAM-4012 Specifications
AI channel number 1
Input range ±150 mV, ±500mV, ±1 V, ±5 V,
±10 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 V/℃
Span drift
±25 ppm/℃
Isolation-rated voltage 3000 V
DC
CMR @ 50/60 Hz 150 dB
NMR @ 50/60 Hz 100 dB
Resolution 16-bit
Sampling rate 10 samples/second
Input impedance
Voltage: 20 M, Current: 125
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 V
DC
(non-regulated)
Power consumption 1.2 W @ 24 V
DC
