Industrial Indexing Systems MSC-250 User Manual

INDUSTRIAL INDEXING SYSTEMS, INC. IB-11B012
MOTION CONTROL SYSTEM, MSC-250 USER'S GUIDE
MARCH 2003 DESCRIPTION 1 - 5
1.2 SYSTEM FUNCTIONS
The MSC-250 servo controller can simultaneously and independently regulate two motion
axes. Programming of the motion control is supplied by a separate computer program or
by a pre-programmed PROM (Programmable Read-Only Memory). Once loaded, the
program is stored in non-volatile memory in the controller.
The controller uses two processors. One processor is labeled "Main Microprocessor" and
the other is labeled "Axis Microprocessor" (refer to "Section 1.3 - Components"). These
two processors communicate through two kilobytes of dual-port RAM (Random Access
Memory) for maximum processing and communication speed. (Dual-port RAM is memory
which is mapped in the same location on each processor and is simultaneously accessible
by both processors.) The main microprocessor processes information from the operating
program, communication ports, and I/O (Input/Output) modules. The axis microprocessor
processes information from the feedback devices and sends commands to the drives.
NOTE
All operating commands used by the MSC-250 servo controller are
part of the Industrial Indexing Systems' Macroprogram command
language. Refer to the separate Macroprogram Development System
Instruction Book for detailed information on the actual commands
and use of Macroprogram control.
1.2.1 AXIS CONTROL
The MSC-250 can control one or two motion axes, providing precision position-loop control
to each axis. The controller can provide indexing, positioning, cam following, and profiling
control. It can also be used as a passive position sensing device. A third axis (referred to
as a half axis) can only monitor information received from a master axis or controller or
from the pseudo axis. It does not provide any control functions.
Each full axis can be controlled directly from the Macroprogram or can act as a slave,
referencing its motion from angles supplied over the two Master Angle Buses provided in
the controller. The information on the angle bus can come from one of five sources:
a. A pseudo-axis (internal) provided by the controller
b. A real axes
c. Another controller with angle information supplied through the fiber optics
receiver
d. A master resolver with angle information supplied through the fiber optics
receiver
e. A master encoder with angle information supplied through the fiber optics
receiver

Industrial Indexing Systems MSC-250 Specifications

General

Brand	Industrial Indexing Systems
Model	MSC-250
Category	Controller
Language	English