Electrical Characteristics - Teltonika FMU125 Quick Manual

Advanced 3g terminal with rs485/rs232 interfaces
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Electrical characteristics

Table 6 Electrical characteristics
Characteristic description
Supply Voltage
Supply Voltage (Recommended Operating
Conditions)
Digital Output (Open Drain grade)
Drain current (Digital Output OFF)
Drain current (Digital Output ON, Recommended
Operating Conditions)
Static Drain-Source resistance (Digital Output ON)
Digital Input
Input resistance (DIN 1)
Input resistance (DIN 2)
Input voltage (Recommended Operating
Conditions)
Input Voltage threshold (DIN 1)
Input Voltage threshold (DIN 2)
Value
Min. Typ.
Max.
Unit
+10
+30
V
120
µA
0.1
0.5
A
400
600
47
39
0
30
V
7.5
V
2.5
V
13
Analog Input
Input voltage (Recommended Operating
Conditions), Range 1
Input resistance, Range 1
Measurement error on 12V, Range 1
Additional error on 12 V, Range 1
Measurement error on 30 V, Range 1
Additional error on 30 V, Range 1
Input Voltage (Recommended Operating
Conditions), Range 2
Input resistance, Range 2
Measurement error on 12 V, Range 2
Additional error on 12 V, Range 2
Measurement error on 30 V, Range 2
Additional error on 30 V, Range 2
Output Supply Voltage 1-Wire
Supply voltage
Output inner resistance
Output current (U
> 3.0 V)
out
Short circuit current (U
= 0)
out
0
+10
V
150
0.9
%
108
mV
0.33
%
88
mV
0
+30
V
150
0.9
%
108
mV
0.33
%
88
mV
+4.5
+4.7
V
7
Ω
30
mA
75
mA
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