ELLIPSE2 AHRS & INS
– Hardware Manual
ELLIPSE2HM.1.3
2.2.8. Electrical specifications
2.2.8.1. Electrical specifications
Recommended electrical specifications from -40°C to 85°C.
Item
Conditions
Min
Typical
Max
Unit
Power supply
Input voltage range
Models A, E, N
5
36
V
Model D
9
36
V
Power consumption
Model A
440
mW
Model E
460
mW
Model N – without GNS ant.
650
mW
Model D – rev 1 – without GNSS ant.
2500
mW
Model D – rev 2 – without GNSS ant.
1500
mW
RS-232 Receivers, Sync In pins
Input range
-15
15
V
Low level threshold
0.6
V
High level threshold
2.0
V
Input resistance
3
5
7
kΩ
RS-422 Receivers
Input differential threshold
-200
-125
-50
mV
Input hysteresis
25
mV
Input resistance
96
kΩ
RS-232 Transmitters
Output range
+/-5
+/-5.5
V
RS-422 transmitters
Differential output voltage
2
V
Common mode output voltage
3
V
Sync Out pins
High Level Output voltage
I
Load
< 100µA
I
Load
< 16mA
3.2
2.6
V
V
Low Level Output voltage
I
Load
< 100µA
I
Load
< 16mA
0.1
0.4
V
V
CAN bus
Recessive Bus Voltage
2
2.5
3
V
CAN H Output Voltage
dominant
2.75
3.5
4.5
V
CAN L Output Voltage
dominant
0.5
1.25
2.25
V
Absolute input voltage
CANH, CANL
-58
58
V
Differential input voltage
CANH, CANL
0.5
0.7
0.9
V
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