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Communications
Ethernet gateway
Ethernet gateway is a communications method that allows you to communicate through a
gateway device to a serial network.
When a meter with gateway capabilities is installed on an Ethernet network, a client device (such
as an energy management system) can communicate through the gateway meter to a serial
network of devices connected to the gateway meter's serial port(s). The maximum number of
devices on the serial network is determined by the limitations of the gateway meter's serial port.
A
LAN/WAN
B
Ethernet gateway meter
C
Serial RS-485 network of devices
D
Terminating resistor
There are two types of Ethernet gateways that you can configure on your meter:
• EtherGate – A single TCP connection communicates through the gateway meter to a serial
network of devices.
• Modbus gateway – Up to a maximum of 32 Modbus client TCP connections communicate
through the gateway meter to a serial network of Modbus devices.
EtherGate configuration
The meter can function as an Ethernet gateway (EtherGate).
When a meter with gateway capabilities in installed on the Ethernet network, a client device can
communicate through the gateway meter to a serial network of devices wired to the gateway
meter's COM port. You must create an additional communications connection to the gateway
meter to read its information.
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9410 series - User manual
7EN05-0336-09
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Troubleshooting
