Chapter 3 Operation
3.4 Field Network
Address Map
85
(2) Input and Output Signal Assignment for each Axis
The I/O signals for each axis consists of 8-word for each I/O data register.
● The control signals and status signals are ON/OFF signals in units of bit.
● For the target position and current position, 2-word (32-bit) binary data is available and values
from -999999 to +999999 (unit: 0.01mm) can be used. Negative numbers are to be dealt with
two’s complement.
Caution : • Set the position data in the range of the soft stroke (0 to effective stroke length) of
the actuator.
● Set the positioning width. The positioning width is expressed using 2-word (32-bit) binary data.
The figures from 0 to +999999 (unit: 0.01mm) can be set in PLC.
● The command speed is expressed using 1-word (16-bit) binary data. The figures from 1 to
+65535 (unit: 1.0mm/sec or 0.1mm/sec) can be set in PLC. A change of the unit is to be
conducted on Gateway Parameter Setting Tool.
● The Acceleration/Deceleration is expressed using 1-word (16-bit) binary data. The figures
from 1 to 300 (unit: 0.01G) can be set in PLC.
● The pressing current limit value is expressed using 1-word (16-bit) binary data. The figures
from 0 to 100% (0 to FF
H
) can be set in PLC.
Caution : Have the setting with values available in the range of for speed,
acceleration/deceleration and pressing current of the actuator. (Refer to the catalog
or instruction manual of the actuator.) Otherwise, it may cause an abnormal
condition of the servo or a malfunction of the actuator such as the alarm codes 0A3
“Position Command Information Data Error”, 0C0 “Excess Actual Speed”, 0C8
“Overcurrent”, 0CA “Overheated” or 0E0 “Overloaded”.
● The command current is expressed using 2-word (32-bit) binary data (unit: 1mA).
● The current speed is expressed using 1-word (16-bit) binary data (unit: 1.0mm/sec or
0.1mm/sec).
The unit is the one set in the command speed. A positive number is output when the
revolution of the driving motor is in CCW, while a negative number when CW. Negative
numbers are output with two’s complement.
A negative number is output when a movement is made towards the motor side, while a
positive number when against the motor side.
● The alarm code is expressed using 1-word (16-bit) binary data.
Set Value 0
127
H
FF
H
(50 in decimal system) (255 in decimal system)
Pressing Current Limit 0%
50%
100%
ME0302-4A
Содержание ERC3
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