7-28
•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)
QUsing 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 hasa 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.