Communications 9410 series
4. Click Advanced Settings to configure additional settings, if needed (for example,
RS485 biasing or Rx Timeout).
Basic serial communications settings available using the webpages
Parameter Values Description
Protocol ION, Modbus RTU, Modbus
Master, DNP v3.00,
EtherGate, GPS: Truetime/
Datum, GPS: Arbiter, GPS:
Arbiter-Vorne, Factory,
None
Sets the communications protocol for your
meter’s RS-485 port
NOTE: the
NONE setting stops
communications using this port.
Baud Rate 2400, 4800, 9600, 19200,
38400, 57600, 115200
Sets the data rate, in bits per second
Unit ID 1 to 9999 Sets the meter’s unique ID on the RS-485
network
NOTE: Modbus serial device range 0 to
247
Advanced serial communications settings available using the webpages
Parameter Values Description
RTS Delay 0–1 The delay in seconds before the transmission of
the packet.
Rx Timeout 0.1–15 Sets the transmit delay (timeout for receiving an
entire message from a device) in seconds
1
Serial Port 8N1, 8N2, 8E1, 8E2, 8O1,
8O2
Sets the parity and stop bits for the port
RS485 Bias Off, On Turns on biasing when mastering devices over
the RS-485 port
1
Only applies to a subset of protocols
Disabling serial communications to the meter
Disabling the COM port using the meter display
You have the option of disabling the serial communications (COM) port through the
meter display when the port is not being used.
Disabling unused ports is considered a cybersecurity best practice to help minimize
unauthorized access to your meter.
1. Go to Setup Menu > Communications Setup > COM1 Setup.
2. Press the navigation button to scroll to the Protocol entry.
3. Press the edit button and provide security credentials if required.
7EN05-0336-03 69
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