AI Module LM3311 (4CH Thermal Couple Input)
• Input channel: 4
• Input precision: 0.1% full range, at 25℃
• Sampling refresh time (every 4 channels): 450ms
• Temperature resolution: 0.1℃
► Input Features
Input channel
4
Input signal
J, K, T, N, E, R, S, B type thermocouple,
-80~80mV
Input precision
0.1% full range, at 25℃
Temperature resolution
0.1℃
Cold end error
±1.5℃
Input impedance
>1MΩ
NMMRR
Better than 60dB@50Hz
CMMRR
Better than 80dB@50Hz
CM voltage
Not more than 60V
Channel maximum voltage resisting
30VDC
Temperature drift
±100ppm/℃
Isolation mode
Isolation between input and internal
circuit, no isolation between channels
Maximum Isolation Voltage
1500VAC
Sampling refresh time
500ms (every 4 channels)
► Physical Features
Dimensions
75mm(L)×90mm(W)×70mm (H)
Weight
<200g
Power
Consumption
+24VDC (Provided by
expansion bus)
0mA
+24VDC (External supply)
30mA
+5VDC (Provided by
80mA