Advantech Data Acquisition Modules ADAM 4000 User Manual
Page 347

Appendix A
Appendix A Technical Specification A-19
A.8 ADAM-4018M 8-channel Analog Input Data Logger
Table A-11 ADAM-4018M Specifications
AI channel number
6 differential and 2 single-ended
Input type
mV, V and mA
Input range
J, K, T, E, R, S and B Thermocouple
±15 mV, ±50 mV, ±100 mV, ±500 mV, and
±20 mA
Output
speed (bps)
Maximum distance
RS-485 (2-wire)
1200, 2400, 4800, 9600, 19.2K, 38.4K
,
57.6K, 115.2K
4000 ft. (1200 m)
Isolation voltage
500 V
DC
Resolution 16-bit
Sampling rate
10 samples/sec(total)
Bandwidth 13.1
Hz
Accuracy
±0.1% or better
Zero drift
±6 μV/
℃
Span drift
±25 ppm/
℃
CMR @ 50/60 Hz
120 dB
NMR @ 50/60 Hz
100 dB
Input impedance
Voltage: 20 MΩ, Current: 120 Ω
Storage capacity
Standard log
Event log
Mixed log
128 KB Flash memory
38,000 samples (total)
16,300 samples (total)
16,300 data samples and 9,300 event
samples (total)
Storage type
Write to end of memory, or circular memory
Logging mode
Standard log, Event log or Mixed log
Sampling interval
2 second to 18 hours
Measurement duration
330 minutes to 20 years
Support protocol
ADAM ASCII
Watchdog timer
1.6 second (System)
Power requirements
+10 to +30 V
DC
(non-regulated)
Power consumption
1.8 W @ 24 V
DC