Analog input modules
D300529 0115 - BL67 I/O modules6-16
6.3.1 Technical data
Table 6-7:
Technical data
Designation BL67-2AI-V
No. of channels 2
Nominal voltage from supply terminal 24 VDC
Voltage range 18 to 30 VDC
Nominal current consumption from 5 VDC (mod-
ule bus) I
MB
≤ 35 mA
Nominal current from supply terminal (field) I
L
≤ 12 mA
Power loss of the module, typical P
MAX
< 1 W
Input voltage -10/0 to +10 VDC
Max. output voltage 35 V continuous
Isolation voltage
U
TMB
(module bus/field) min. 500 V
eff
U
Fe
(field/functional earth) min. 50 V
AC
channel/channel none
channel/field supply none
channel/system supply 500 V
eff
Input resistance (burden) < 98,5 kΩ
Cutoff frequency (-3 dB) ≥ 50 Hz
Basic error at 23 °C/73.4 °F ± 0,2 %
Repeat accuracy 0,05 %
Temperature coefficient ≤ 150 ppm/°C
Resolution of the A/D converter 16 bit
Measuring principle Delta Sigma
Measurement value representation – 16 Bit: two's complement coded
or
– 12 bit left-justified
two’s complement (even negative values possi-
ble) binary number without coding (only posi-
tive values possible)
I
SENS
(sensor supply from V
sens
) ≤ 250 mA; short-circuit protected in gateway or
Power Feeding module
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