Version 1.4
Application Guide PumpDrive 2 Eco
2016-10-20
2016-11-11 PDrv2-Eco_Application_Guide_rev_1_4.docx
Page 32 of 48
A
A
D
C
4
4
5
6
7
7
6
D
2
p
2
2
D
C
p
2
2
5
A
A
3.2.3
Closed loop control redundant: Discharge pressure with sensor 4…20mA and PumpMeter each pump
Etaline / Etabloc (2x100%): In a multi pump system with three pumps a constant pressure of 4bar is needed. The 4…20mA pressure sen-
sor with a measurement range of 0-6 bar placed in the manifold is connected in parallel to each analog input 2 of Master and AuxMas-
ter1. The AuxMaster can take over control if the Master fails. When connecting a 4…20mA sensor in parallel to all drives the 4…20mA
current signal must be converted to 2…10V voltage signal: therefore the DIP switch of the analog input 2 of the Master must be set to
“ON”
3)
. Each pump uses PumpMeter as an internal sensor -1 to 6bar, which is not used for the control. The set point is given by the dis-
play.
Nr.
Function
2
Actual value: pressure sensor 4…20mA redundant
4
Tailor-made bus cable for the connection of PumpMeter to the M12
Module (color: black, female: straight, male: angled)
5
Tailor-made bus cable for double and multi pump operation (color:
purple, male: angled, male: angled)
6
Sensor PumpMeter suction side
7
Sensor PumpMeter pressure side
A
M12 12 Module female A: connection PumpMeter (Modbus)
B
-
C
M12 Module female C: for Double and multi pump operation (KSB-de-
vice bus) or Bus resistor
D
M12 Module female D: for Double and multi pump operation (KSB-de-
vice bus) or Bus resistor
Drive 1 (Master)
Drive 2 (AuxMaster)
Master
Aux Master
