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EPM 5100 ELECTRONIC POWER METER – USER GUIDE
5–1
EPM 5100 Electronic Power Meter
Chapter 5: Communications
GE Consumer & Industrial
Multilin
Communications
5.1
Introduction
5.1.1
Overview
The tables in this chapter indicate the event codes and register maps of the EPM 5100. This
section is intended only as a guide to the functions available with the device.
5.1.2
Events
Events describe specific status conditions within the device and are available to the host
computer either through the special DDE item, Events, or by direct read access of the
registers containing the event information.
The following table defines the events supported by the EPM 5100.
Table 5–1: EPM 5100 Events
Event
code
(decimal)
Meaning
Register 1
Register 5
256
Voltage Phase Loss
LSB -Voltage
Loss Phase
N/A
512
Internal
Communication
Error
N/A
B0:Old Data, data from device is not up to
date
B1:Busy Flag, Previously commanded
transaction still in progress
B5:Data Not Ready, the first full set of data is
not yet acquired by the device
Remaining Bits: Unused