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System Overview

System Architecture

Pinout Description

M12 8-pin Connector

 LPMS-NAV3-RS232 / RS485 (8Pin)

Pin

Name

Cable Color

Function

1

VCC

White

+5V~36V

2

GND

Brown

Ground

3

RS232_TX

RS485_A

Green

RS232 Transmit

RS485 Signal A

4

RS232_RX

RS485_B

Yellow

RS232 Receive

RS485 Signal B

5

NRST

Gray

Sensor Reset (Trigger low)

6

RES

Pink

Reserved

7

RES

Blue

Reserved

8

RES

Red

Reserved

 LPMS-NAV3-TTL (8Pin)

Pin

Name

Cable Color

Function

1

VCC

White

+5V~36V

2

GND

Brown

Ground

3

RES

Green

Reserved

4

RES

Yellow

Reserved

5

NRST

Gray

Sensor Reset (Trigger low)

6

UART_TX

Pink

TTL Transmit

7

UART_RX

Blue

TTL Receive

8

RES

Red

Reserved

 LPMS-NAV3-RS422 (8Pin)

Pin

Name

Cable Color

Function

1

VCC

White

+5V~36V

2

GND

Brown

Ground

3

RS422_A

Green

RS422 Rx+

4

RS422_B

Yellow

RS422 Rx-

5

NRST

Gray

Sensor Reset (Trigger low)

6

RS422_Y

Pink

RS422 Tx+

7

RS422_Z

Blue

RS422 Tx-

8

RES

Red

Reserved

 LPMS-NAV3-CAN (8Pin)

Pin

Name

Cable Color

Function

1

VCC

White

+5V~36V

2

GND

Brown

Ground

3

CAN+

Green

CAN_H

4

CAN-

Yellow

CAN_L

5

NRST

Gray

Sensor Reset (Trigger low)

6

RES

Pink

Reserved

7

RES

Blue

Reserved

8

RES

Red

Reserved

M12 5-pin Connector

 LPMS-NAV3-RS232 / RS485 / TTL (5Pin)

Pin

Name

Cable Color

Function

1

RES

Brown

Reserved

2

VCC

White

+5V~36V

3

GND

Blue

Ground

4

RS232_TX

RS485_A

TTL_TX

Black

RS232 Transmit

RS485 Signal A

TTL Transmit

5

RS232_RX

RS485_B

TTL_RX

Gray

RS232 Receive

RS485 Signal B

TTL Receive

Connection Interface

Model

Communication Interface

TTL

RS232

RS422

RS485

CAN

LPMS-NAV3-TTL

✓

×

×

×

×

LPMS-NAV3-RS232

×

✓

×

×

×

LPMS-NAV3-RS422

×

×

✓

×

×

LPMS-NAV3-RS485

×

×

×

✓

×

LPMS-NAV3-CAN

✓

×

×

×

✓

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