Chapter 8

Register Block Titles

This chapter expands upon information listed in the EPM Modbus Register Map (Chapter 2). Register Block Titles refer to a Register or Group of Registers in the Register Map that serve a particular purpose or function. Refer to the Table of Contents to find additional details and descriptions of the EPM Modbus Register Map.

8.1: Device Indentification Block (00001-00080)

Description: Registers included in this block: Device Name, Firmware Variation Strings 0-7, EPM Communicator Boot Version Number, EPM Communicator Run-Time Version Number, EPM DSP Boot Version Number, EPM DSP Run-Time Version Number. (See 3.1, 3.2.)

8.2: Real Time Block (00081-00089)

Description: Registers included in this block: On Time, Current Time, Current Day of the Week. (See 3.3, 3.4.)

On Time (00081-00084)

These Registers keep the Time of the meter when it is turned on. The format of the Registers follows the table below. Byte 0 indicates the high byte of the Register 00081 and the byte 7 indicates the low byte of Register 00084. These Registers are for Read Only.

Byte

Range

Description

0

0-255

Century

1

0-99

Year

2

1-12

Month

3

1-31

Day

4

0-23

Hour

5

0-59

Minute

6

0-59

Second

7

0-99

Centisecond

Current Time (00085-00088)

These Registers keep the Current Time of the meter. These values are kept by an internal battery even when the meter is off. The format of the Registers follows the table above.

Current Day of the Week (00089)

This Register keeps the Current Day of the Week. The format follows the table below.

8-1

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GE EPM 9650/9800 manual Device Indentification Block, Real Time Block, On Time, Current Time, Current Day of the Week