This topic is the install guide for the after-market gateway (part# A0009887841) with the GL899-PARTIAL COMM HARNESS (part# A0009887770) and the GL899-PARTIAL RETROFIT HARNESS (part# A0009887772) when utilizing the Kohler APM603 Controller.
Generac Link-Site Deployment Controller Selection:
Kohler APM603-RS485
Modbus Communication Settings and Notes
Settings should match values provided in this table.
|
Address: 1 |
|
Baud Rate: 19200 |
If different settings are required, please contact Support.
Generac Gateway Side Terminations
|
Description
|
Harness Wire Color
|
Equipment Side Terminations
|
|---|---|---|---|
|
2 |
DC+ |
A0009887772 Red |
B+ |
|
1 |
DC- |
A0009887772 Black |
B- |
|
8 |
Data + |
A0009887770 Orange / White |
TB12-19 |
|
9 |
Data - |
A0009887770 White / Orange |
TB12-20 |
|
10 |
Data GND |
A0009887770 Blue/ White |
TB12-21 |
|
Harness Relay #1 |
COM |
A0009887772 Blue |
TB12-3 |
|
N/O |
A0009887772 White / Blue |
TB12-4 |
Gateway Connection Ports
|
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 |
|
|
1 |
B
|
RS485 A |
|
2 |
RS485 B |
|
|
3 |
RS485 Screen |
|
|
4 |
CAN H |
|
|
5 |
CAN L |
|
|
6 |
CAN Screen |
Check out our knowledge base and support center for information on any technical questions.