Siemens 9300, 9330, 9350 Profibus Connections (9300)

Profibus Connections (9300) 9300 Series User’s Guide
Page 116 Chapter 5 - Features and Applications
Wire an RS-485 connection between one or more meters and COM 1 of the
9330 or 9350 meter according to the wiring guidelines presented in the Installation
and Basic Setup Guide.
Refer to the ModemGate technical note for complete details on configuring your
meter for ModemGate.
Profibus Connections (9300)
NOTE
The Profibus Master file (.GSD file) is included on a floppy disk with the meter. This file must be installed
on your Profibus Masters before the meter can communicate with the Profibus network.
The optional Profibus port on the meter is capable of operating baud rates up to 12
Mbps. Profibus Connections to the meter are made via the nine-pin connector on
the rear of the unit. Plug your Profibus connector from the network into this
connector.
The Modem Site
The 9350 with in-
ternal modem
The RS-485 device network
connected to the meter with
the internal modem.
The same RS-485 serial
protocol must be selected
for connections to multiple
devices along the same bus.
Profibus Female Connector
(located on meter)
Pin Number Profibus Function
1N/A
2N/A
3B-line
4RTS
5Isolated GND
6Isolated Vcc
7N/A
8A-line
9N/A
51
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