Analog input modules
D300529 0115 - BL67 I/O modules6-68
6.7.1 Technical data
Table 6-35:
Technical data
Designation BL67-4AI-TC
Number of channels 4
Nominal voltage from supply terminal U
L
24 V DC
Nominal current from supply terminal I
L
< 30 mA
Nominal current from module bus I
MB
≤ 50 mA
Power loss of the module, typical < 1 W
Input resistance > 7 MΩ
Potential isolation electronic to field
Sensors according to IEC 584, class 1, 2, 3
Temperature ranges
Type B 100 to 1820 °C
Type C 0 to 2315 (15 bit + sign)
0 to 2047 (12 bit)
Type E -270 to 1000 °C
Type G 0 to 2315 (15 bit + sign)
0 to 2047 (12 bit)
Type J -210 to 1200 °C
Type K -270 to 1370 °C
Type N -270 to 1300 °C
Type R -50 to 1760 °C
Type S -50 to 1760 °C
Type T -270 to 400 °C
Voltage measurement (resolution)
± 50 mV < 2 μV
± 100 mV < 4 μV
± 500 mV < 20 μV
± 1 V < 50 μV
Measurement value representation 16 bit signed integer/
12 bit full range, left-justified
Basic error (nominal range at 23 °C) see table page 6-69
Limit frequency analog 70 Hz
Repeat accuracy 0,5 % from end value
Temperature coefficient ≤ 150 ppm/°C from end value