Teltonika FMM125, Quick Manual, Page: 13 / 16

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FMM125 | Wiki
Electrical characteristics
Table 6 Electrical characteristics
Characteristic description
Value
Min. Typ. Max. Unit
Supply Voltage
Supply Voltage (Recommended Operating
Conditions)
+10 +30 V
Digital Output (Open Drain grade)
Drain current (Digital Output OFF) 120 µA
Drain current (Digital Output ON, Recommended
Operating Conditions)
0.1 0.5 A
Static Drain-Source resistance (Digital Output ON) 400 600 mΩ
Digital Input
Input resistance (DIN 1) 47 kΩ
Input resistance (DIN 2) 39 kΩ
Input voltage (Recommended Operating
Conditions)
0
Supply
voltage
V
Input Voltage threshold (DIN 1) 7.5 V
Input Voltage threshold (DIN 2) 2.5 V
Analog Input
Input voltage (Recommended Operating
Conditions), Range 1
0 +10 V
Input resistance, Range 1 38.45 kΩ
Measurement error on 12V, Range 1 0.9 %
Additional error on 12 V, Range 1 108 mV
Measurement error on 30 V, Range 1 0.33 %
Additional error on 30 V, Range 1 88 mV
Input Voltage (Recommended Operating
Conditions), Range 2
0 +30 V
Input resistance, Range 2 150 kΩ
Measurement error on 12 V, Range 2 0.9 %
Additional error on 12 V, Range 2 108 mV
Measurement error on 30 V, Range 2 0.33 %
Additional error on 30 V, Range 2 88 mV
Output Supply Voltage 1-Wire
Supply voltage +4.5 +4.7 V
Output inner resistance 7 Ω
Output current (U
out
> 3.0 V) 30 mA
Short circuit current (U
out
= 0) 75 mA