Racelogic USER GUIDE Manual de usuario Pagina 15

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Page | 15 Revision 1.4 15 January
2015
Expansion connector
The EXPANSION connector on the rear of LabSat 3 gives access to a number of signals including CAN Bus,
RS232, 1PPS & Digital input/output. Accessory RLACS202 is used to provide user signal access for
integration into the users test system. Pin functions are as follows:-
Number
Name
I/O
Function
1
1PPS
O
Signal from Internal GNSS monitor. Becomes active when monitor is locked.
5V Level. 25mA
2
DIGO
O
User digital output. 5V Level. 25mA max
3
DIGI
I
User digital input. Up to 12 V input level. Detection threshold=2.5V
4
-
5
-
6
-
7
-
8
-
9
-
10
CAN 1 H
I/O
CAN Bus High Channel 1 Standard ISO11898 voltage signal levels for CAN
11
CAN 1 L
I/O
CAN Bus Low Channel 1 Standard ISO11898 voltage signal levels for CAN
12
CAN 2 H
I/O
CAN Bus High Channel 2 Standard ISO11898 voltage signal levels for CAN
13
CAN 2 L
I/O
CAN Bus Low Channel 2 Standard ISO11898 voltage signal levels for CAN
14
I2C SDA
I/O
I2C Bus Data Reserved for future use
15
I2C SCL
I/O
I2C Bus Clock Reserved for future use
16
I2C VCC
I/O
I2C Bus voltage level Reserved for future use
17
RS232 Tx
O
RS232 data output. NMEA Data from GNSS monitor or User RS232 data if
enabled. Standard RS232 Level.
18
RS232 Rx
I
User RS232 data which is recorded if RS232 is enabled in Digital configuration
menu. Standard RS232 Level.
19
Ground
O
Ground Connection
20
Ground
O
Ground Connection
21
Ground
O
Ground Connection
22
-
23
-
24
-
25
-
26
-
27
-
28
IO_0
I/O
Reserved
29
IO_1
I/O
Reserved
30
IO_2
I/O
Reserved
31
IO_3
I/O
Reserved
32
-
33
Ground
O
Ground Connection
34
Ground
O
Ground Connection
35
Power
O
Connected to input power Max 250mA
36
Power
O
Connected to input power Max 250mA
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