Rockwell Automation FlexPak 3000 Power Module Version 4.2 - Manual (Page 15)

INTRODUCTION TO THE DRIVE
49’1340 e FlexPak 3000 2-7
2.4 Drive Description
The drive is a full-wave power converter without back rectifier, complete with a digital current
minor loop and a digital major loop for armature voltage or speed regulation by tachometer
feedback. Figure 2-1 shows a block diagram of the Drive.
The Drive employs a wireless construction and uses a keypad for drive setup, including
parameter adjustments and unit selection, monitoring and diagnostics. Multiple language
capability in English, French, German, Spanish, Italian and ‘Code’ is available. Reference,
feedback, and metering signals can be interfaced to the drive. The drive can be controlled
locally by the Operator Interface Module (OIM) Keypad or remotely by using the terminals at the
regulator board terminal strip (see Section 3 for terminal connections). Based on the active
control source selected using the CONTROL SOURCE SELECT key, the OIM displays the
control source as "KEYPAD" or "TERMBLK" (regulator board terminal strip), or "NETWORK"
(if an optional network communication board is installed).
DRIVE CONTROL SIGNALS AND SEQUENCING
OIM SERIAL NETWORK
SPEED
LOOP
CURRENT
MINOR
LOOP
(CML)
FIELD
CONTROL
S6/S6R
POWER
UNIT
FIELD
POWER
SUPPLY
SPEED
REFERENCE
SELECTION
AND
SCALING
OUTER
CONTROL
LOOP
(OCL)
Regulator Board
Terminal Strip
I/O Expansion
Board
Current Feedback
Voltage Feedback
Tachometer Feedback
MOTOR ARMATURE
ANALOG OR PULSE
TACHOMETER
MOTOR FIELD
DIGITAL,
ANALOG, &
FREQUENCY
INPUTS/
OUTPUTS
Figure 2-1 - FlexPak 3000 Functional Block Diagram