Rockwell Automation 1395 Digital DC Drive - Manual (Page 15)

Publication 2361-5.01 July 1998
Product Overview 1-3
Hardware Overview The hardware components shown in form the high-horsepower 1395
DC drive. These drive components can be broken down into the
following three categories:
Figure 1.1
Drive Components
Hardware Description
Control Controls the drive system and interfaces with external devices
Control/Power Interface Interfaces the control components with the power components
Power Converts AC input to a DC supply for the motor
Unit
Power Supply
3-Phase
SCR Armature
Bridge
3-Phase AC Power
Feedback Board
Armature Current Feedback
AC Line Voltage Feedback
Motor
Armature
Field Current Feedback
Single-Phase
SCR Field
Bridge
TB7
F1 F2 F3 F4
M1
A1 A2
Encoder
Armature DC Voltage Feedback
24V DC
Feedback
Power Supply
Power Stage
Interface Board
Main Control Board
TB3
Field PT &
Snubber
Programming
Terminal
DHT/DMT
J4 J1
J5
J2
J7 J6
J8
J9
J7
J1
J2
J6
J1
Encoder Feedback
Armature
Pulse
Transformer
Boards
J3A
-
J3D
J40
CONTROL CONTROL/POWER INTERFACE POWER
Circuit Breaker
TB8
Gate
Interface
Board
Field Transformer
(Only Used For AC Inputs of
575 and 660V AC)
Control
Transformer
Fuses
MOVs
- +