Advantech Data Acquisition Modules ADAM 4000 Manual de usuario descargar pdf (Pagina 344)

Technical Specifications

A-

16

ADAM 4000 Series User’s Manual

A.7 ADAM-4018/4018+ 8-channel Analog Input Module

Table A-9 ADAM-4018/4018+ Specifications

AI channel number

ADAM-4018:

6 differential and 2 single-ended

ADAM-4018+:

8 differential

Input type Thermocouple with mV, V, or mA

Input range

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

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 3000 V

DC

Resolution 16-bit

Sampling rate 10 samples/second (total)

Bandwidth 13.1 Hz

Accuracy ±0.1% or better

Zero drift ±6 V/℃

Span drift ±25 ppm/℃

CMR @ 50/60 Hz 120 dB

NMR @ 50/60 Hz 100 dB

Input impedance Voltage: 20 M, Current: 120 

Support protocol ADAM ASCII (ADAM-4018 & 4108+)

MODBUS/RTU (ADAM-4018+ only)

Watchdog timer

ADAM-4018: System (1.6 second)

ADAM-4018+:

System (1.6 second) and communication

Power requirements +10 to +30 V

DC

(non-regulated)

Power consumption 0.8 W @ 24 V

DC

Burn-out detection

All T/C inpu

t

(ADAM-4018+ onl

y

)

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