LSI LASTEM M-Log – User’s manual
56
6
Appendixes
6.1
Technical specifications
A/D Convertitor
(ELO011 excluded)
Resolution:
18 bit rounded to 16 bit
Sample duration (rejection 50/60 Hz):
80 ms @ rejection 50 Hz
Analogue inputs
(ELO011 excluded)
Number of analog inputs
: 4 in differential mode, 8 in single-ended mode
Scale
Resolution
Accuracy
(@ 25°C)
Voltage
-300 ÷ 1200 mV
40 µV
±100 µV
±78 mV
3 µV
±35 µV
±39 mV
1.5 µV
±25 µV
Pt100
-50 ÷ 125 °C
0.003 °C
±0.05 °C
-50 ÷ 600 °C
0.013 °C
±0.11 °C
Resistance Ω
80 ÷ 140 Ω
0.0013 Ω
±0.02 Ω
80 ÷ 320 Ω
0.005 Ω
±0.05 Ω
0 ÷ 6000 Ω
0.19 Ω
±1.5 Ω
Thermo
couples
E-IPTS 68
-200 ÷ 1000 °C
< 0.1 °C
±1.5 °C
J-IPTS 68
-50 ÷ 600 °C
< 0.1 °C
±1.2 °C
J – DIN
-50 ÷ 600 °C
< 0.1 °C
±1.2 °C
K-IPTS 68
-150 ÷ 1350 °C
< 0.1 °C
±1.9 °C
S-IPTS 68
0 ÷ 1600 °C
< 0.22 °C
±4.9 °C
T-IPTS 68
-200 ÷ 200 °C
< 0.1 °C
±1.4 °C
ESD protection
:
±8 kV contact discharge IEC 1000–4-2
± 1.2 kV air-gap discharge IEC 1000–4-2
Channel to channel crosstalk:
-93 dB
Max input signal:
3 V
Every input with EMC filter
Error as a function of Environmental Temperature:
scale -300 ÷ 1200 mV < ±0.01% ES (@-10 ÷ 30 °C)
scale ±39 mV < ±0.01% ES (@-10 ÷ 30 °C)
scale ±78 mV < ±0.01% ES (@-10 ÷ 30 °C)
(ES= end of scale)
Cold joint error as a function of Environmental Temperature:
Thermocouple E-IPTS 68 ±0.029/°C (@ 0 ÷ 50 °C)
Thermocouple J-IPTS 68 ±0.02/°C (@ 0 ÷ 50 °C)
Thermocouple J-DIN
±0.017/°C (@ 0 ÷ 50 °C)
Thermocouple K-IPTS 68 ±0.025/°C (@ 0 ÷ 50 °C)
Thermocouple S-IPTS 68 ±0.05/°C (@ 0 ÷ 50 °C)
Thermocouple T-IPTS 68 ±0.038/°C (@ 0 ÷ 50 °C)
Digital input
Functions:
Input for sensors with optoelectronics (freq. max 5 kHz);
Frequency input (freq. max 5 kHz);
Logic state input ON/OFF (they acquire signals 0 ÷ 3 Vdc).
State level “low”:
0 ÷ 1.5 V
State level “high”:
2 ÷ 3 V
Max input frequency:
5 kHz
Max error.:
3 Hz @ 5 kHz
Protection:
Transient voltage suppressor: 600W, t > 10 µs
Total measures
50 (total measures referred to sensors acquired from terminal board or serial port/radio and