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2
1-1
Features
A control output voltage range from –10 V to +10 V enables connection to
various servomotor drivers.
The Position Control Unit is designed to control two axes. Data configuration
consisting of parameters, speeds, dwell times, acceleration and deceleration
times, and positioning actions permits straight-line interpolation or circular arc
interpolation by simultaneous dual-axis operation. Each motor axis may also
be operated independently.
Troubleshooting is facilitated by error code transmission from the Position
Control Unit to the PC as well as by error code display on the External Dis-
play.
The data capacity in the Position Control Unit provides 300 positioning ac-
tions per axis, 19 parameters per axis, 100 speeds, 10 dwell times per axis,
and 10 acceleration and deceleration times per axis. All data is stored in the
built-in EEPROM for battery-free and maintenance-free backup. Data is read
into the RAM from the EEPROM when power is turned ON.
Connecting the Teaching Box permits position inputs, position input reading,
teaching inputs, and operation monitoring.
All data and command communications between the Programmable Control-
ler and Position Control Unit use PC Intelligent I/O Read and Write instruc-
tions permitting high-speed processing.
The C500-NC222-E Position Control Unit in NC221 mode can be used with a
C500, C1000H, or C2000H PC. The C500-CPU11-EV1 CPU can be used
with the C500, CVM1, CV500, CV1000, or CV2000 PC. Any C1000H and
C2000H CPU may be used.
1-2
Basic Operating Principles
The basic operation of the C500-NC222-E Position Control Unit is fairly sim-
ple. It controls a servomotor driver in accordance with data stored in its
memory. This data includes parameters, speeds, positions, and other infor-
mation necessary for effective control. Before the Position Control Unit can
be operated, you must first input the essential data. This is generally done
via the Teaching Box.
The way in which the Position Control Unit makes use of this data is deter-
mined by the program in the PC. The program does not control all of the Po-
sition Control Unit’s operations directly, but rather, transfers commands to the
Position Control Unit for execution. The commands control such functions as
the starting and stopping of positioning, returning to the origin, and so on.
Thus, while the Position Control Unit functions as an integral part of your
overall control system, it also exercises a good deal of autonomy. This capa-
bility is essential to the concept of distributed control, whereby control of
each portion of an automated system is located near the devices actually
being controlled.
Applicable Motor Drivers
Number of Control Axes
and Controlling Capacity
Error Diagnostics
Large Data Capacity with
Backup
Teaching Box
High-speed
Communications Between
PC and PCU
Applicable CPUs
Basic Operating Principles
Section 1-2
Содержание SYSMAC C500-NC222-E
Страница 1: ...OPERATION MANUAL Two axis Position Control Unit NC221 Mode SYSMAC C500 NC222 E Cat No W138 E1 03...
Страница 2: ...C500 NC222 E Two axis Position Control Unit NC221 Mode Operation Manual Revised June 2003...
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Страница 163: ...Cat No W138 E1 03 Note Specifications subject to change without notice Printed in Japan Authorized Distributor...
Страница 164: ...Cat No W138 E1 03 SYSMAC C500 NC222 E Two axis Position Control Unit NC221 Mode OPERATION MANUAL...