SAE J2716 Gateway User’s Manual
MACH SYSTEMS s.r.o.
Page
7
of
17
Both SENT-RS232 and SENT-CAN can be powered over CON 1: pins 8 and 9. CAN variant can also be
powered via CON 2: pins 9 and 3. All GND pins are connected throughout the device. Hence, there is
no galvanic isolation.
4.2.2
CON 2
D SUB 9 Female
Pin Number
RS-232 variant
CAN variant
Front view
1
2
TxD (output)
CAN_L
3
RxD (input)
GND (Power In-)
4
5
GND
GND (internally connected
to pin 3)
6
AO1
AO1
7
CAN_H
8
AO2
AO2
9
Vin2 (Power In+)
Table 3 Connector 2 Pin Assignment
4.3
LED Status Information
The four LEDs provide the following status information:
LED
Colour
State
Meaning
Power
Green
On
The device is powered
SENT 1
Yellow
Off
Channel is stopped
Slow blinking
Reception in progress
Fast blinking
Transmission in progress
SENT 2
Yellow
Off
Channel is stopped
Slow blinking
Reception in progress
Fast blinking
Transmission in progress
Communication
Green / Red
Green flash
Communication packet received
Red flash
Communication packet error
Table 4 LED Function Description
4.4
Power
The device needs an external power supply 9 - 30 V DC.
4.4.1
SENT-RS232
Power is provided over CON 1.
Figure 3 SENT-RS232 Power