
General information and technical specifications / Technical specifications / Analogue signals specifications
MasterCAN DAC J1939 i/o modules. Operation manual. Version 2.0
©
Technoton, 2018
19
1.5.3 Analog signals specifications
1) Analog signals of MasterCAN DAC15
Table
2
—
Specifications of signals for MasterCAN DAC15 analog inputs
Signal type, measurement units
Value
Voltage, V
0.5…9
Frequency, kHz
0.01…10
Note
—
The input impedance of the analog input is at least 150 kOhm.
Table
3
—
Specifications of signals for MasterCAN DAC15 analog outputs
Signal type, measurement units
Value
Voltage, V
0.5…9
Frequency, kHz
0.01…10
Pulse,
Amplitude, V;
Duration, ms.
0.5...9
40...250
Current, mA
4
…
20
Discrete, V
(upper branch (supplied U
*
PS
))
level 0
—
0
level 1
—
U
*
PS
Discrete, V
(inverse, lower branch (supplied GND),
see
level 0
—
10
(without connecting the load)
level 1
—
0
Resistive, kOhm
0.015
…
50
*
U
PS
–
onboard circuit voltage.
Notes
1 The load current of the analog output should not exceed 40 mA.
2 The maximum current of the descrete outputs should not exceed 0.3 A.
3 The maximum load impedance for the current output is calculated according to the
formula: R
L max
=( U
*
PS
- 5 V)/0.02 Ohms.