Generac Evolution (Air Cooled) via Modbus
This topic is the install guide for the after-market gateway (part# G0097460) with the universal harness (part# A0006648426) utilizing the Generac Evolution (Air Cooled) control panel via Modbus.

Panel Display for the Generac Evolution Control

Close View of Port Connections
Modbus Communication Settings and Notes
Settings should correspond to the values provided in this table.
Address: 157 | Data Bit: 8 |
Baud Rate: 115200 | Stop Bit: 1 |
Parity: None |
If different settings are required, please contact Support.
Equipment Connection Details
Generac Gateway Side Terminations | Description | Harness Wire Color | Equipment Side Terminations |
---|---|---|---|
+ | DC+ | Red | Battery + |
- | DC- | Black | Battery - |
TX1 | Data Transmit | Orange / White | 387 (Connector J6—Pin#7) |
RX1 | Data Receive | White / Orange | 388 (Connector J6—Pin#8) |
GND | Data GND | Green/ White | Do NOT Connect |
Harness Relay #1 | COM | Blue | Remote Start—178 |
N/O | White / Blue | Remote Start—183 |
Gateway Connection Ports

Gateway Right Panel—GPS antenna and harness I/O connections

Gateway Left Panel—Cellular antenna, power, serial communication ports, and SIM card slot
Check out our knowledge base and support center for information on any technical questions.