Siemens 9810 Series, Руководство пользователя, Страница: 42 / 218

Communications
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
Configuring serial communications using the display
You can configure your meter’s basic serial communications settings using the
display.
Before configuring serial parameters, make sure you have a unique unit ID for
your meter and know the serial network settings (protocol, baud rate, parity and
stop bits).
1. Press the Home button.
2. Navigate to Setup Menu > Communications Setup .
3. Press the up and down icons to scroll and select COM1 Setup or COM4
Setup .
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