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5.10 Pump management
The Pump managementfunction can be usedfor the heating circuit(circulation pump UP1). The
binary outputs BA8 andBA9 should always be usedto control the operation ofthis pump when
-
ever a speed-controlled pump is implemented in the heating circuit:
4
BA8 switches the pump on/off
4
BA9 releases the speed control in rated operation or sets the pump to minimum speed oper
-
ation during reduced operation
BA8 is closed if the circulation pump is to be switched on. The binary output BA9 can be config
-
ured with function block FB28:
4
FB28 = ON: BA9 = OFF outside times-of-use
4
FB28 = OFF: BA9 = ON outside times-of-use
Function
WE Configuration
Pump management OFF FB28
5.11 Potentiometer input
Terminal 12 can be used for the connection of a potentiometer, e.g. to indicate the valve posi-
tion in percent on the controller display or at the control station.
Function
WE Configuration
Potentiometer input 1 to 2 kΩ OFF FB24 = ON
48 EB 5476 EN
Functions of the heating circuit