Rockwell Automation Publication 2198-RM002A-EN-P - October 2017 61
System Replacement Examples Chapter 3
In this example, 2 drive clusters define the DC-bus group and are possible by
extending the DC-bus. You also have to stay within the general sizing
guidelines:
• Maximum motor-power cable length: 400 m (1312 ft)
• Maximum supported capacitance: 13,000 μF
• Maximum 24V DC control power current: 32 A
• Maximum DC-bus current: 200 A
Figure 18 - Kinetix 5700 Extended DC-bus Installation
MOD
NET
MOD
NET
MOD
NET
1
I/O
6
5
10
2
1
2
1
2
1
1
I/O-A
6
510
1
I/O-B
6
510
1
I/O-A
61
I/O-B
6
510510
UFB
UFB-A UFB-B
UFB-A UFB-B
D+
D-
D+
D-
D+
D-
MF-A MF-B MF-A MF-B
D+
D-
MBRK
+
-
MOD
NET
2
1
1
4
I/O
MOD
NET
MOD
NET
2
1
2
1
1
I/O-A
6
510
1
I/O-B
6
510
1
I/O-A
61
I/O-B
6
510510
UFB-A UFB-B
UFB-A UFB-B
D+
D-
D+
D-
MF-A MF-B MF-A MF-B
D+
D-
MOD
NET
2
1
1
I/O-A
61
I/O-B
6
510510
UFB-A UFB-B
D+
D-
MF-A MF-B
D+
D-
MOD
NET
2
1
1
I/O-A
61
I/O-B
6
510510
UFB-A UFB-B
D+
D-
MF-A MF-B
D+
D-
MODULE
STATUS
MOD
DC BUS
MOD
DC BUS
MODULE
STATUS
D+
D-
MF
MOD
NET
2
1
1
I/O-A
61
I/O-B
6
510510
UFB-A UFB-B
D+
D-
MF-A MF-B
D+
D-
Kinetix 5700 Servo Drive Cluster 1
(front view)
324…528V AC
Three-phase
Input Power
Bonded Cabinet
Ground Bus
2198-DB80-F
AC Line Filter
(required for CE)
Kinetix 5700 Extended Servo Drive Cluster 2
(front view)
DC-bus Extension
Shared DC-bus and 24V DC
Control Power
Line Disconnect
Device
Circuit
Protection
Magnetic (M1)
Contactor
DC-bus Extension
Magnetic Contactor (M1)
Control String
DC-bus
Power Supply
Single-axis
Inverter
Dual-axis Inverters
Capacitor
Module
Extension
Module
Capacitor
Module
Extension
Module
Dual-axis Inverters
Bulletin 2198 Shared-bus Connection System
(24V shared-bus connection system is optional)