Siemens HydroRanger 200 Instrukcja Obsługi Strona 98

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Page 84 HydroRanger 200 – INSTRUCTION MANUAL 7ML19981FCO1
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Communications
Communication Systems
The HydroRanger 200 is capable of communicating with most SCADA systems, PLCs, and
PCs. The supported protocols are:
Modbus RTU/ASCII – base unit on RS-232 or RS-485 transport
Profibus-DP – optional SmartLinx
®
module
Remote I/O – optional SmartLinx module
DeviceNet – optional SmartLinx module
Communication Ports
The HydroRanger 200 comes with two communication ports on the base unit.
RS-232
The RJ-11 jack connects to a laptop computer for the following:
•initial setup
configuration
troubleshooting
periodic maintenance
RS-485
The RS-485 port on the terminal blocks connects into industrial communications wiring
and has the following advantages:
runs communications cable farther
allows multiple slave units on the network, addressed by P771 – Network Address
Modbus
The Modbus protocol is supported in the base unit and can be configured using the
Communications parameters P770 to P782.
To set up communications with a Modbus RTU master device on port 2 using RS-485, set
the following parameters:
Port Connection Location Interface
1 RJ-11 connector inside enclosure on main board RS-232
2 terminal block terminal block RS-485
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