D300529 0115 - BL67 I/O modules
6-43
BL67-4AI-V/I, voltage-/current measurement
6.6.1 Technical data
Table 6-29:
Technical data
Designation BL67-4AI-V/I
No. of channels 4
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 signal in current measurement
Input resistance (burden) < 125 Ω
Input current (range which can be evaluated by
the A/D converter)
0 to 20 mA
4 to 20 mA
Input current (maximum - an "Measured value
out of range" is shown if the current is above 20.2
mA)
50 mA
Cutoff frequency (-3 dB) 20 Hz
Input signal in voltage measurement
Input resistance (burden) > 98,5 kΩ
Input voltage (range which can be evaluated by
the A/D converter)
-10 to 10 VDC
0 to 10 VDC
Input voltage (maximum - a deviation of 1 %
already generates a "Measured value out of
range" message)
35 VDC
Cutoff frequency (-3 dB) 20 Hz
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
accuracy for the input signal
Basic error at 23 °C/73.4 °F ± 0,3 %
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