Knowledge Base

Caterpillar EMCP 3.X

This topic is the install guide for the after-market gateway (part# G0097460) with the universal harness (part# A0006648426) when utilizing a CAT® 3.X control panel.

image-20250120-185425.png
EMCP 3.3 Control Panel

Modbus Communication Settings and Notes

Settings should match values provided in this table.

Address:  1

Baud Rate: 9600

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

B+

-

DC-

Black

B-

A2

Data +

Blue / White

Modbus +

B2

Data -

White / Blue

Modbus -

GND

Data GND

White / Green

Modbus REF

Harness Relay #1

COM

Blue

Digital Input #2

N/O

White / Blue

B-

Gateway Connection Ports

image4-20250114-183802.png
Gateway Right Panel—GPS antenna and harness I/O connections
image3-20250114-183853.png
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.