88
1200
1200 SUBMENU
RS485-INTERFACE
How to connect the RS485-Interface correctly, see chapter 9.4.4 Control Unit
User Interface
The following 3 Parameters are necessary for communication between the HYDROVAR and
an external device (e.g. PLC) via standardized Modbus-protocol. Set desired Address,
Baudrate and Format according the system requirements.
1205
1205 ADDRESS
1
Set desired Address for the User Interface
Possible settings: 1 - 247
1210
1210 BAUDRATE
9600
Baudrate for User Interface
Possible settings: 1200, 2400, 4800, 9600, 14400, 19200, 38400
1215
1215 FORMAT
RTU N81
Format for User Interface
Possible settings: RTU N81, RTU N82, RTU E81, RTU O81,
ASCII N72, ASCII E71, ASCII O71
Internal Interface
If several Master Inverters are connected via the RS-485 interface (max. 8 / using Cascade
Serial Mode) each pump must be allocated its own pump-adress number (1-8).
Each address may only be used once!
1220
1220 PUMP ADDR.
1
Select desired Adress for the Master Inverter
Possibel settings: 1-8
Set desired Address for the current Master Inverter and press ► button for approx. 3 sec.
and the following massages will appears:
Addressing
Addressing
->
1220 PUMP ADDR.
* 1 *
or
1220 PUMP ADDR.
- 1 -
Addressing done Addressing false - retry
When using Master and Basic Inverters together in a multi-pump-system you have to
consider that also the Basic Inverters must have their separate address because otherwise a
correct function of the System couldn’t be guaranteed.
For detailed Information see chapter 9.4.3.2 Addressing.
S
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