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Technical Specifications
A.7 ADAM-4018/4018+ 8-channel Analog Input Module
Table A-9 ADAM-4018/4018+ Specifications
AI channel number
Input type
Input range
Output
speed (bps)
Maximum distance
Isolation voltage
Resolution
Sampling rate
Bandwidth
Accuracy
Zero drift
Span drift
CMR @ 50/60 Hz
NMR @ 50/60 Hz
Input impedance
Support protocol
Watchdog timer
Power requirements
Power consumption
Burn-out detection
A-16 ADAM 4000 Series User's Manual
ADAM-4018:
6 differential and 2 single-ended
ADAM-4018+:
8 differential
Thermocouple with mV, V, or mA
J, K, T, E, R, S and B Thermocouple
ADAM-4018:
±15 mV, ±50 mV, ±100 mV, ±500 mV,
±1 V, ±2.5 V and ±20 mA
ADAM-4018+:
±20 mA and 4~20 mA
RS-485 (2-wire)
1200, 2400, 4800, 9600, 19.2K, 38.4K,
57.6K, 115.2K
4000 ft. (1200 m)
3000 V
DC
16-bit
10 samples/second (total)
13.1 Hz
±0.1% or better
±6 μV/℃
±25 ppm/℃
120 dB
100 dB
Voltage: 20 MΩ, Current: 120 Ω
ADAM ASCII
MODBUS/RTU
ADAM-4018:
ADAM-4018+:
System (1.6 second) and communication
+10 to +30 V
DC
0.8 W @ 24 V
DC
All T/C input
(ADAM-4018+ only)
(ADAM-4018 & 4108+)
(ADAM-4018+ only)
System (1.6 second)
(non-regulated)
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