Wilo Wilo-Control EC-L, Installation And Operating Instructions Manual

Page: 86 / 264

en Commissioning
86 WILO SE 2018-12
Fig. 64: Menu 1.17
Menu no. 1.17*
Description Peak-load pump 2 Off level
Value range** 0.06 … 12.5 m
Factory setting 0.25 m
Explanation
Operating mode “drain”: The value must be 0.03 m lower
than the “Peak-load pump 2 On” level (menu 1.16). The
switch-off level must be
greater than/equal to the switch-
off level of the peak-load pump (menu 1.15).
Operating mode “fill”: The value must be 0.03 m higher
than the “Peak-load pump 2 On” level (menu 1.16). The
switch-off level must be
lower than/equal to the switch-
off level of the peak-load pump (menu 1.15).
Menu 2: ModBus field bus connection
The switchgear is equipped with an RS485 interface for connection via ModBus RTU.
Different parameters can be read and also changed to some extent via the interface. In
this case, the switchgear works as a Modbus slave. An overview of individual parameters
and a description of the data types used are shown in the appendix. To use the ModBus
interface, the settings must be changed in the following menus:
Fig. 65: Menu 2.01
Menu no. 2.01
Description ModBus RTU interface On/Off
Value range on, off
Factory setting off
Fig. 66: Menu 2.02
Menu no. 2.02
Description Baud rate
Value range 9600; 19200; 38400; 76800
Factory setting 19200
Fig. 67: Menu 2.03
Menu no. 2.03
Description Slave address
Value range 1 … 254
Factory setting 10
Fig. 68: Menu 2.04
Menu no. 2.04
Description Parity
Value range none, even, odd
Factory setting even