Wilo Control EC-L1 Series - Page 43

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Installation and operating instructions • Wilo-Control EC-L • Ed.04/2022-09 43
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
Fig.69: Menu 2.05
Menu no. 2.05
Description Number of stop bits
Value range 1; 2
Factory setting 1
8.5.5 Menu 3: Enable pumps
To operate the system, the operating mode must be set for each pump and the pumps en-
abled:
• Every pump is set to the “auto” operating mode as the factory setting.
• Automatic mode starts after the pumps have been enabled in menu 3.01.
NOTICE!Required settings for the initial configuration.
During the initial configuration, a direction of rotation check must be performed on the
pumps and the motor current monitoring set exactly. Use the following settings to perform
the initial configuration:
• Switch off the pumps: Set menu 3.02 to 3.04 to “off”.