Rockwell-automation 1746-HSRV SLC Servo Control Module User Manual Manuel d'utilisateur Page 24

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1 Publication 1746-6.1.2 - July 2000
Chapter
2
Selecting Power Supplies, Encoders, and
Drives
Overview
In this chapter we explain how to select the hardware you need to
support an SLC Servo Module system. This chapter includes the
following topics:
Selecting a power supply for the backplane
Selecting a user-side power supply
Using fast inputs and outputs
Selecting an encoder
Selecting a drive
The amount of hardware you need depends on how many axes your
application uses. Consult your local Allen-Bradley sales engineer or
distributor to help you select the equipment for your application.
Selecting a Power Supply
for the Backplane
Before you select a power supply, calculate the current requirements
for your backplane. Use the table below for SLC Servo Module
backplane current requirements:
In your calculations, include the current requirements of the I/O
modules in your chassis. Refer to your SLC 500 documentation.
IMPORTANT
The term user-side refers to the control circuitry on
the SLC Servo Module card that is powered by
customer-supplied power sources and isolated from
the control circuitry that is powered by the
backplane of an SLC rack.
Voltage Current Requirement
+5V .300A
+24V .104A
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