semaphore TBOX LT2-530 Series, Руководство пользователя, Страница: 165 / 197

Version : 1.09 165
Group 4 - Analog Inputs
Group 7 - Validity
4..20mA
Resolution 16 bits
Mode Unipolar
Model Passive input: sensor must be powered by an ext. power supply
Precision 0.1% full scale @ 25°C
0.2% full scale over the temperature range
Input Impedance
Typical: 249

DI: Validity input associated to
each analog input 4..20mA Returns ‘0’ when signal < 2.4mA and > 21.6mA
Returns ‘1’ when the signal is valid.
0..10V
Resolution 16 bits
Mode Unipolar
Model Passive input: sensor must be powered by an ext. power supply
Precision 0.1% full scale @ 25°C
0.2% full scale over the temperature range
Input Impedance
Typical: 60 k

Pt1000
Mode 2 wires
Resolution 16 bits
Range Typical: -40°C .. +85°C
Precision ± 0.5 °C
Protection
4..20mA
0..10V
Pt1000
Max : 28 mA /7 V
Max : 13.6V w/o influence on other AI.
Absolute Max : 30 VDC
Max input voltage : 10 V
Isolation
Between inputs No isolation
To the power supply No isolation
Group 5 - Analog Outputs
4..20mA
Resolution 16 bits
Mode Unipolar
Model Active output
Precision 0.1% full scale @ 25°C
0.2% full scale over the temperature range
Voltage at Output Input power supply (Vin or Vbat) - 5 V
Current at Output Maximum: 22mA
Outside Impedance limit Vin -5V
22mA
Protection
Short-circuit protection
Isolation
Between outputs No isolation
To the power supply No isolation
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