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Appendix D
Kinetix 6000M System Sizing
Manually Sizing the
Kinetix 6000M System
128
Step 1: Calculate the IDM unit control power load current for each
IDM unit.
There are three components to the control power load current for each IDM
unit:
• Constant power load
• Digital input loads
• Brake loads
Refer to the IDM unit constant load, brake load, and control power load
specifications shown below.
IDM Unit
with
Constant Control Power Load
Cat. No.
Brake
MDF-SB1003
No
MDF-SB1003
Yes
MDF-SB1153
No
MDF-SB1153
Yes
MDF-SB1304
No
MDF-SB1304
Yes
The digital input load is calculated as follows:
Digital Input Watts =
Where:
Σ I
= The sum of all load currents on the digital input power supply to
inputs
power the sensor and/or the sensor input current
V = 24V
η = power supply efficiency = 80%
Confirm that the total IDM unit control power load is less than the specified
IMPORTANT
limit for the IPIM module output rating (270 W). See the Kinetix Rotary Motion
Specifications Technical Data, publication GMC-TD001.
Confirm that the Σ I
IMPORTANT
the Kinetix Rotary Motion Specifications Technical Data, publication
TD001.
Rockwell Automation Publication 2094-UM003A-EN-P - May 2012
Brake Control Power Load
(W)
8
8
8
8
8
8
Σ I
* V * η
inputs
value is less than the specified limit (200 mA). See
inputs
Output Power Rating
(W)
(kW)
0
1.10
15
1.02
0
1.15
19.5
1.00
0
1.39
19.5
1.24
GMC-
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