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2.16.2 Modbus
®
Communications
The controller communicates using Modbus
®
as a slave connection with the Modbus
®
master initiating the communication. The
controller seeks the system and alternator parameters and diagnostic information then responds back to the Modbus
®
master.
In addition, the controller accepts information to alter controller parameters including generator set starting and stopping. See
Figure 30. Refer to the List of Related Materials for available Modbus
®
literature.
Note:
Only one Modbus
®
master can be connected to the controller. Examples include the remote serial annunciator and switchgear
applications
Figure 30 Modbus
®
Connections
Modbus
®
is a registered trademark of Schneider Electric.
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