APPENDIX B OEM729 Technical Specifications
OEM7 Installation and Operation User Manual v4
158
B.6 OEM729 Interface Connectors
B.6.1 P1802 Main Connector 24-Pin Header
Pin
Signal
Name
Signal
Type
Signal
Direction
V
IL
Max
(V)
V
IH
Min
(V)
V
OL
Max
(V)
V
OH
Min
(V)
Drive
(mA)
Description
1
GND
PWR
-
-
-
-
-
-
Ground reference
2
USER1
1
3.3V
CMOS
Input/
Output
0.7
2.1
0.4
2.9
4
User GPIO.
Internal 10 kΩ
pulldown.
3
VARF
3.3V
CMOS
Output
-
-
0.4
2.9
4
Variable Frequency
output
Edges can be
synchronized to the
GNSS time reference.
Internal 10 kΩ pullup
4
PPS
3.3V
CMOS
Output
-
-
0.55
2.4
16
Pulse Per Second output
This signal defaults to
one pulse per second
but may be altered
across a wide range of
frequencies using
software commands.
Edges can be
synchronized to GNSS
time reference.
5
3V3
PWR
-
-
-
-
-
-
3.3 V ±5% supply input
6
3V3
PWR
-
-
-
-
-
-
3.3 V ±5% supply input
1
On power up, if pin 2 is set LOW or not connected, COM1 will be configured as RS-232. If pin 2 is set high then
COM1 will be configured as RS-422
Содержание OEM719
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Страница 123: ...Chapter 8 NovAtel Firmware and Software OEM7 Installation and Operation User Manual v4 123...
Страница 130: ...APPENDIX A OEM719 Technical Specifications OEM7 Installation and Operation User Manual v4 130 Figure 43 OEM719 Keep outs...
Страница 150: ...APPENDIX B OEM729 Technical Specifications OEM7 Installation and Operation User Manual v4 150 Figure 50 OEM729 Keep outs...
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