208 Rockwell Automation Publication 2198-UM001M-EN-P - November 2022
Appendix C Size Multi-axis Shared-bus Configurations
Shared AC/DC Example
If the required motoring power exceeds the available converter power that is
sourced by two leader drives, then connect all four drives as parallel converter
drives. This further increases the available converter power.
In this example, the same four 2198-H040-ERS drives are used, however, all
four are connected as parallel converter (leader) drives. The total converter
power is derated by 30%.
Figure 112 - Shared AC/DC Configuration
The available converter power to the system is (8.4 • 4) • 0.7 = 23.52 kW. In this
example, total motoring load must not exceed 23.52 kW. The available
converter power was increased by 180% over the same drives in shared DC
configuration.
Control Power Current
Calculations
Kinetix 5500 servo drives and the Bulletin 2198 capacitor module have different
24V DC power consumption. Factors to consider when calculating the
combined current demand from your 24V DC power supply includes the
following:
• The catalog number for each drive in the system
• Whether the motor or actuator includes the holding brake option
• Whether the system includes Bulletin 2198 capacitor modules (1...4
modules are possible)
Bonded Cabinet
Ground
Three-phase
Input Power
24V Input
Control Power
2198-H040-ERS
Converter Drives
DC Bus Connections
Table 86 - Control Power Current Demand
Cat. No.
24V Current
(non-brake motor)
A
DC
24V Current
(2 A brake motor)
A
DC
24V Inrush Current
(1)
A
(1) Inrush current duration is less than 30 ms.
2198-H003-ERSx
0.4 2.4 2.0
2198-H008-ERSx
2198-H015-ERSx
0.8 2.8
3.0
2198-H025-ERSx
2198-H040-ERSx
2198-H070-ERSx 1.3 3.3
2198-CAPMOD-1300 0.3 — 2.0
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