Knowledge Base

DSE 4520/4530 MKII via J1939 (V3)

he Generac Link Gateway (part# A0009887841) connects to the DSE 4520 and 4530 series controller using the RS485 modbus connection and will require the A0009887769 (GL899-PARTIAL POWER HARNESS; provides fuse protected DC power to gateway) and the A0009887770 (GL899-PARTIAL COMM HARNESS; provides RS485 and CAN J1939 connections) harness.

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To pull generator data using the CAN connection, J1939-75 instrumentation must be enabled on the controlling using DSE ConfigSuite. The expected source address for DSE controllers is 44, if this is changed please inform support.

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Equipment Connection Details

Generac Gateway Side Terminations

Description

Harness & Wire Color

Equipment Side Terminations

1

DC-

A0009887769 Black

1

2

DC+

A0009887769 Red

2

11

CAN H

A0009887770 Orange / White (2)

ECU H (Pin 18)

12

CAN L

A0009887770 White / Orange (2)

ECU L (Pin 19)

13

CAN SCR

A0009887770 Blue / White (2)

ECU SCR (Pin 20)

Gateway Connection Ports

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Pin

Connector

Description

1

A

Plant Supply –ve

2

Plant Supply +ve

3

Digital Output A

4

Digital Output B

5

Flexible Sender Common

6

Flexible Sender A

7

Flexible Sender B

8

B

 

RS485 A

9

RS485 B

10

RS485 Screen

11

CAN H

12

CAN L

13

CAN Screen

Check out our knowledge base and support center for information on any technical questions.