Xylem HYDROVAR HV 4.150 / 4.185 / 4.220 - Manual (Page 91)

91
1200
1200 SUBMENU RS485-
INTERFACE
User Interface
The following 3 Parameters are necessary for the 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 internal RS-485 interface (max. 8 / using
cascade serial mode) each HYDROVAR needs its own allocated pump-address number (1-8).
Each address may only be used once!
1220
1220 PUMP ADDR.
1
Select desired address for the MASTER Inverter
Possible settings: 1-8
Set desired address for the current MASTER Inverter and press ► button for approx. 3 sec.
and the following massages will appear:
Addressing
Addressing
->
1220 PUMP ADDR.
* 1 *
or
1220 PUMP ADDR.
- 1 -
Addressing done Addressing failed - retry
When using MASTER and BASIC Inverters together in a multi-pump-system you have to
consider that the BASIC Inverters have their separate address. Otherwise a correct function
of the system couldn’t be guaranteed.
For detailed Information see chapter 9.4.3.2 Addressing.
S