96 Rockwell Automation Publication 2094-UM002G-EN-P - August 2016
Chapter 5 Connect the Kinetix 6200 and Kinetix 6500 Drive System
DC Common Bus
Configurations
When the IAM power module is used in a DC common-bus configuration, the
IAM module is known as a leader IAM or follower IAM module. The IAM
(non-common bus) and leader IAM module have identical three-phase input
power connections. The leader IAM module is responsible for discharging the
DC bus, and for providing common-bus follower drives with DC bus pre-
charge, bus regulation, phase-loss detection, and ground fault detection.
Follower IAM modules do not have three-phase input power connections, but
have DC bus connections from a leader IAM module.
Table 51 - IAM Module Terminology and Use
The Bulletin 2094 leader IAM power module can operate with non-Bulletin
2094 follower drives, as can the Bulletin 2094 follower IAM module operate
with non-Bulletin 2094 common-bus leader drives. However, non-Bulletin
2094 leader and follower drives must meet the same functional requirements as
the Bulletin 2094 leader and follower IAM modules.
Figure 51 - Typical DC Common-bus Configuration
This Module Is Wired And is
IAM With three-phase input power. Not wired in Common-bus mode.
Leader IAM
With three-phase input power, but has DC common-bus
connections to a follower IAM module.
Wired in Common-bus mode.
Follower IAM
Without three-phase input power, but has DC common-bus
connections from a leader IAM module.
Wired in Common-bus mode and configured by
using the Logix Designer application.
IMPORTANT Any non-Bulletin 2094 common-bus leader IAM module that does not
provide pre-charge is required to add an additional external pre-charge
circuit before connecting to any Bulletin 2094 common-bus follower IAM
module.
N.C.
N.C.
N.C.
1 2
DC-
DC+
L3
L2
L1
CONT EN-
CONT EN+
CTRL 2
CTRL 1
1 2
1 2 3 4 5 6
W
V
U
MBRK -
MBRK +
COM
PWR
DBRK -
DBRK +
1 2 3 4
1 2 3 4 5 6
W
V
U
MBRK -
MBRK +
COM
PWR
DBRK -
DBRK +
1 2 3 4
1 2 3 4 5 6
MBRK -
MBRK +
COM
PWR
DBRK -
DBRK +
1 2 3 4
1 2 3 4 5 6
1 2
DC-
DC+
L3
L2
L1
CONT EN-
CONT EN+
CTRL 2
CTRL 1
1 2
1 2 3 4 5 6
W
V
U
MBRK -
MBRK +
COM
PWR
DBRK -
DBRK +
1 2 3 4
1 2 3 4 5 6
W
V
U
MBRK -
MBRK +
COM
PWR
DBRK -
DBRK +
1 2 3 4
1 2 3 4 5 6
W
V
U
MBRK -
MBRK +
COM
PWR
DBRK -
DBRK +
1 2 3 4
1 2 3 4 5 6
W
V
U
MBRK -
MBRK +
COM
PWR
DBRK -
DBRK +
1 2 3 4
1 2 3 4 5 6
2094-BCxx-Mxx-M
Common-bus Leader
IAM Power Module
2094-BMxx-M Power Modules or
2094-SEPM-B24-S IPIM Modules
Bonded Cabinet
Ground
Three-phase
Input Power
Bulletin 2094
Power Module
DC Common Bus
Connections
2094-BCxx-Mxx-M
Common-bus Follower
IAM Power Module
2094-BMxx-
or
2094-SEPM-B24-S IPIM
Modules
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