Publication 2094-UM001A-EN-P — September 2006
232 DC Common Bus Applications
Calculating Total Bus
Capacitance
Total bus capacitance is the sum of all capacitance values for your
Kinetix 6000 common bus modules. Specifically, this includes the
capacitance values for each of these modules.
• Leader IAM (converter and inverter)
• Each AM and SM (if present) on the leader IAM power rail
• Each follower IAM (converter and inverter)
• Each AM on the follower IAM power rails
Refer to Kinetix 6000 Capacitance Values on page 233 for IAM/AM/SM
capacitance values.
Calculating Additional Bus
Capacitance
Additional bus capacitance is the sum of all follower IAM and AM
capacitance values for your Kinetix 6000 common bus modules.
Specifically, this includes the capacitance values for each of these
modules.
• Each follower IAM (converter and inverter)
• Each AM on the follower IAM power rails
Enter the additional bus capacitance values in Step 6 of Setting the
Additional Bus Capacitance Parameter.
IMPORTANT
When total bus capacitance exceeds the leader IAM maximum
value, the IAM fault status LED indicator displays error code
E90 (pre-charge time-out fault) and the drive is disabled.
Leader IAM (230V)
Maximum Bus
Capacitance
µF
Leader IAM (460V)
Maximum Bus
Capacitance
µF
2094-AC05-MP5-S
7145
2094-BC01-MP5-S
4585
2094-AC05-M01-S 2094-BC01-M01-S
2094-AC09-M02-S 15,295 2094-BC02-M02-S 8955
2094-AC16-M03-S 34,400 2094-BC04-M03-S 8955
2094-AC32-M05-S 62,825 2094-BC07-M05-S 17,915
IMPORTANT
If your total bus capacitance value exceeds the value in the
table above, you must increase the size of the leader IAM or
decrease the total bus capacitance by removing axis modules.
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