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Ethernet Communications - Honeywell Class 320 Meter Installation Instructions Manual

Class 320 advanced kwh/demand meter
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6.13 Ethernet Communications

Ethernet communications connections are available through an optional EKM-E key,
which converts the meter's RS-485 output to an ethernet connection. The key provides
data only with the EZ-7 protocol and is not designed to support Modbus or BACnet.
NOTE: The meter is not designed to connect directly through an Ethernet connec-
tion, but must utilize an appropriate RS485/Ethernet converter module/
modem.
Class 320 Ethernet/IP Addressable meters can be tied into a local Ethernet network
individually, or a single Ethernet-connected meter can communicate with multiple RS-
485 daisy-chained conventional (EZ-7) class 320 meters using a single IP address.
Each device (EKM-E) that is connected directly to the ethernet network requires a
unique IP address. With a public IP address, the system can be addressed with
Honeywell Energy software through the internet for remote reading capabilities.
RS-485 DAISY CHAIN (SECTION 6.7)
Fig. 20. Ethernet Communications.
31
CLASS 320 METER
EKM-E
ETHERNET
KEY
ETHERNET
NETWORK
M33311
62-0397-02

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