Xylem HYDROVAR Smart User Manual

Page 34

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34

7.21.8 Error Signals for Data Bus Interruptions

BUSARBIT-DIAG.

0

Counts the number of fault synchronising attempts

over the RS-485 interface.

Is there an indication >100, the RS485 interface connection has to be checked!

To leave the submenu press the ¾ longer than 3 sec. to change to

S U B M E N U

Seq. Control

Press ¾ on the Hydrovar-Smart to change to

7.22 Submenu - RS 485 Interface

S U B M E N U

RS 485-Interface

Press ¾ for about 3 seconds to enter the submenu
and the display changes to

7.22.1 Pump Address

PUMP-ADDRESS

OFF

If only one pump is used, the setting remains OFF. If
several pumps are connected via the RS-485

interface (max. 4) each pump must be allocated its own address number.

Each address may only be used once!

Press ¾ on the Hydrovar-Smart to change to

7.22.2 ADC Reference

ADC REFERENCE

Local

Reference for the local ADC (Analogue/Digital-
Converter) or SIO (RS485 interface).

LOCAL:

Actual value from transmitter (Terminal X1/ 1-2)

REMOTE:

Actual value via RS-485 (Terminal X5 or X6 / 1-2-3)

To leave the submenu press the ¾ longer than 3 sec. to change to

S U B M E N U

RS 485-Interface

Press ¾ on the Hydrovar-Smart to change to


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