D300529 0115 - BL67 I/O modules
10-37
BL67-2AI2AO-VI, voltage/current
10.2.1 Technical data
Table 10-5:
Technical data
Designation BL67-2AI2AO-V/I
No. of channels 2/2
Nominal voltage from supply terminal 24 VDC
Voltage range 18 to 30 VDC
Nominal current consumption at
5 VDC (module bus) I
MB
≤ 50 mA
Nominal current from supply terminal (field) I
L
≤ 50 mA
Power loss of the module,
typical P
MAX
< 1 W
Input signal in current measurement
Input resistance (burden)
< 125 Ω (typ. 65 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 (typ. 225 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
accuracy of the input signal
Basic error at 23 °C/73.4 °F < 0.3 %
Temperature coefficient ≤ 300 ppm/°C from end value
Output signal in voltage measurement
Output voltage U
A
-10/0 to 10 VDC
Burden resistance
– Resistive load R
LO
> 1 kΩ
– Capacitive load R
Lk
< 1 μF
Short-circuit current I
K
≤ 40 mA
Transmission frequency f
T
< 100 Hz
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