Bosch Rexroth PSI 6500 Series - Page 23

Electric Drives
and Controls
2-5Bosch Rexroth AGPSI 6500.xxx1070087059 / 02
Fundamentals on the Master-Slave Mode
Power
section
Master
Power
section
Slave
1
Control
module
Con-
nection
logic
Power
section
Slave
2
Con-
nection
logic
PSI
PSI
PSI
Electrodes
All PSGs are
connected in
parallel.
PSG
Secondary
current
sensor
PSG
Secondary
current
sensor
PSG
Secondary
current sensor
Toroid input
I
1
I
2
I
3
I
tot
= I
1
+ I
2
+ I
3
X3
X7
X6
X7
X6
Master-slave mode when the secondary current sensors integrated in the PSG are used
Power
section
Master
Power
section
Slave
1
Control
module
Con-
nection
logic
Power
section
Slave
2
Con-
nection
logic
PSI
PSI
PSI
Electrodes
All PSGs are
connected in
parallel.
Toroid input
PSG
PSG
PSG
I
1
I
2
I
3
I
tot
= I
1
+ I
2
+ I
3
X3
X7
X6
X7
X6
Master-slave mode when a single external secondary current sensor is used