INSTALLATION MANUAL
NTR 756 D / e 09/2003- 6/13
n 12 VDC
Description Description of DC inputs
Input voltage
12 VDC -15% +30% (XT20R -11% +30%)
Current consumption 1.9 mA (typical) 2.3 mA max
Input impedance 6.45 KΩ
Level 0 < 3 VDC
Level 1 > 8 VDC
Response time 10 ms
Galvanic isolation No
Status indication LCD display
Description Description of analogue inputs
12 I/O
I 05 – I 08
20 I/O
I 05 – I 12
Number of bits 8
Resolution (10,000/250) mV
Conversion time 10 ms
Input voltage 0 - 10 VDC
Input impedance > 10 KΩ?? (14 K typical)
Precision ± 5%
Default Offset/ Gain
Offset = 0
Gain = 1
These values can be altered via the software
Temperature drift ± 3 LSB over the authorized range
Response time 10 ms
Galvanic isolation No
Status indication LCD display