Modbus® Communications; Reviewing Menu Displays - Kohler APM402 Operation

2.6.2 Modbus® Communications
The controller communicates using Modbus
controller seeks the system and alternator parameters and diagnostic information then responds back to the Modbus
In addition, the controller accepts information to alter controller parameters including generator set starting and stopping. See
Figure 25. Refer to the List of Related Materials for available Modbus
Note:
®
Only one Modbus master can be connected to the controller. Examples include the remote serial annunciator and switchgear
applications
Generator Set
®
Figure 25 Modbus Connections

2.7 Reviewing Menu Displays

Use this section to review a summary of the generator set controller data. See Figure 26 or Figure 27 for which menus provide
data monitoring, data adjustments, or require SiteTech™ software to make data adjustments.
Use the pushbutton/rotary selector dial to navigate to the respective menus.
Menu Name
Overview
Engine Metering
Generator Metering
GenSet Information
GenSet Run Time
GenSet System
GenSet Calibration
Voltage Regulation
Digital Inputs
Digital Outputs
Analog Inputs
Event Log
Figure 26 Menu Displays for Viewing and Adjusting (DEC3000 Before Firmware Version 3.0.25)
60
®
as a slave connection with the Modbus
up to 1220 m (4000 ft.)
Controller
Controller Controller
Viewable Adjustable
X
X
X
X
X
X
X
X
X
X
X
X
®
literature.
RS-485
Modbus
SiteTech
Adjustable
X
X X
X
X X
X
X
X
®
master initiating the communication. The
®
Master
TP-6694
®
master.
9/20