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E149701
8-24
8: Using the INP100S Network Card
Electro
Industries/GaugeTech
The Leader In Power Monitoring and Smart Grid Solutions
Electro
Industries/GaugeTech
The Leader In Power Monitoring and Smart Grid Solutions
11. Click Submit to save the changes. The Reset Network Card webpage will be shown
(the network card must be restarted for the settings to take effect); see 8.4.2.2:
Resetting the Ethernet Card on page 8 - 13.
8.4.3: NTP Time Server Synchronization
The INP100S can be configured to perform time synchronization through a Network
Time Protocol (NTP) server. This feature lets you synchronize the Shark® 200 meter’s
real-time clock with this outside source. See Chapter 8 of the
Communicator EXT
TM
4.0 and MeterManager EXT Software User Manual
for configuration instructions
(configuring the Network Card section). You can view the manual online by clicking
Help>Contents
from the Communicator EXT
TM
Main screen.
NOTES:
• The SNTP/NTP client protocol used in the network card is version 4, backward com-
patible to version 3.
• After the meter boots up, it may take up to 20 seconds for the first time
synchronization request to be made.
8.4.4: Modbus and DNP over Ethernet
The INP100S card enables up to 12 simultaneous sockets of Modbus TCP/IP and up to
5 simultaneous sockets of DNP 3.0 over Ethernet. This means that multiple users can
poll the meter using Modbus and/or DNP at the same time. For configuration instruc-
tions, refer to the Network card settings section of Chapter 8 in the
Communicator
EXT
TM
4.0 and MeterManager EXT
Software User Manual
.
Using DNP over Ethernet you can control Relay outputs and Status inputs, if you also
have a Relay Output/Status Input Option card installed in your meter.
8.4.5: Keep-Alive Feature
The INP100S and INP300S Network option cards support user configurable Keep-Alive
timing settings. The Keep-Alive feature is used by the TCP/IP layer for detecting
broken connections. Once detected, the connection is closed in the Network card, and
the server port is freed. This prevents the card from running out of server connections
due to invalid links.
The Keep-Alive settings can be configured differently for each protocol group: Modbus
TCP/IP, DNP over Ethernet, IEC61850, and others.
Содержание Shark 200
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