ADAM-4000 Series User Manual 280
A.1 ADAM-4011 Thermocouple Input Module
Table A.1: ADAM-4011 Specifications
T/C channel number 1
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
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 ±6V/°C
Span drift ±25 ppm/°C
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: 2 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
1.4 W @ 24 V
DC
Burn-out detection Yes
Table A.2: ADAM-4011 Range Accuracy for Thermocouple
Range Code (Hex) Input Range Typical Accuracy Maximum Error Units
0E
J thermocouple
0 to760 °C
±0.5 ±0.75 °C
0F
K thermocouple
0 to 1370 °C
±0.5 ±0.75 °C
10
T thermocouple
-100 to 400 °C
±0.5 ±0.75 °C
11
E thermocouple
0 to 1000 °C
±0.5 ±0.75 °C
12
R thermocouple
500 to 1750 °C
±0.6 ±1.5 °C
13
S thermocouple
500 to 1750 °C
±0.6 ±1.5 °C
14
B thermocouple
500 to 1800 °C
±1.2 ±2.0 °C