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• Device Addresses at Gateway (Device 5, Device 6) - The address has one byte unsigned
integer. The device address can be any number except 1. The number 1 is always reserved for
the Primary Device.
• Device Addresses at Gateway (Device 7, Device 8) - The address has one byte unsigned
integer. The device address can be any number except 1. The number 1 is always reserved for
the Primary Device.
7.43: Customizable Modbus Map Settings Block (50273-50784)
Q Using this block, you can customize up to 256 readings. All the readings that are customized in this
block can be seen in the Customized Modbus Map Window Block (12289).
• Line Number - 2 bytes.
• Point Number - 1 byte.
• Reserved - 1 byte. Currently not used.
You can select any Register or Group of Registers that has a Line Number and a Point Number from
the EPM Modbus Register Map. Those selections are used to create a customized grid of up to 256
readings in the EPM Communicator Device Profile.
Example: In order to read 1 Cycle Phase A-N Voltage as Item Number 1 on your Customized
Modbus Map, you would enter for Item 1: Line Number 10 and Point Number 0.
Refer to the GE Communicator Ext User Manual for details on the creation of your Customized
Modbus Map.