Technical specifications
A-18 ADAM 4000 Series User's Manual
Table A-10 ADAM-4018 Specifications
Analog input channels Eight differential for ADAM-4018
Input type mV, V, and mA
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 RS-485 (2-wire)
speed (bps) 1200, 2400, 4800, 9600, 19.2K, 38.4K
maximum distance 4000 ft. (1200 m)
Isolation voltage 3000 V
DC
Sampling rate 10 samples/sec(total)
Bandwidth 13.1 Hz
Accuracy ±0.1% or better
Zero drift ±0.3 µV /
o
C
Span drift ±25 ppm /
o
C
CMR @ 50/60 Hz 92 dB
Input impedance 1.8 MΩ
Watchdog timer Yes
Power requirements +10 to +30 V
DC
(non-regulated)
Power consumption 0.8 W
Figure A-8
ADAM-4018 Function Diagram
A.8 ADAM-4018, 4018+ 8-channel Analog Input Module