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Backup and Restore Functions
Program and CAM Data Read Protection
Function Upgrades from
Unit Version 2.0 to 3.0
Expanded Allocations in Custom I/O Area
Digital Input Values Changed to Improve Noise Resistance
Parameter Added for Faster Unit Cycle and Communications Cycle Time
Previous versions
(Unit Ver. 3.0 and earlier)
Current version
(Unit Ver. 3.1)
The origin compensation value
when an absolute encoder is used
is backed up using the CPU Unit's
easy backup function.
Origin compensation values can be backed up
even with CX-Motion-MCH version 2.1. For
details, refer to
Section 11 Backup and Restore
in the
CX-Motion-MCH Operation Manual
(Cat.
No. W448).
Previous versions
(Unit Ver. 3.0 and earlier)
Current version
(Unit Ver. 3.1)
There is no program and CAM
data read protection.
The CX-Motion-MCH version 2.1 read protection
function (password setting), can be used to pre-
vent third-parties from reading program and
CAM data. For details, refer to
Section 12 Read
Protection
in the
CX-Motion-MCH Operation
Manual
(Cat. No. W448).
Previous version (Unit Ver. 2.0)
Present version (Unit Ver. 3.0)
Only the I/O variable area determined in
advance could be allocated to the Cus-
tom I/O Area.
In addition to the I/O variables, system
variables, global general variables, posi-
tion data, and task variables for user-
specified addresses can be allocated to
the Custom I/O Area.
Previous version
(Unit Ver. 2.0)
Current version
(Unit Ver. 3.0)
Rated input voltage: 24 VDC
±
10%
Rated input current: 4.06 to 4.48 mA
ON voltage: 9.5 V min.
OFF voltage: 4.5 V max.
Rated input voltage: 24 VDC
±
10%
Rated input current: 4.02 to 4.52 mA
ON voltage: 14 V min.
OFF voltage: 6V max.
(Any sensors that were previous used can
still be used.)
Previous version
(Unit Ver. 2.0)
Current version
(Unit Ver. 3.0)
Unit cycle [us] = (115.0
×
Number of
axes) + (165
×
Number of motion tasks
×
Number of parallel branches) + (0.3
×
Number of general allocation words) +
350.0
Communications cycle [us] = ((Number of
allocated Units + Number of retries)
×
133.3+26.2)
×
1.1
Unit cycle [us] = (85
×
Number of axes) +
(120
×
Number of motion tasks
×
Number
of parallel branches) + (0.3
×
number of
general allocation words) + 200
Communications cycle [us] = ((Number of
allocated Unit + Number of retries)
×
102.7 + 19.2)
×
1.1
Use the following parameter to switch the
performance.
• Parameter number: P00004
• Bit: 09 (previously reserved)
0: Initial value. Performance is the
same as before.
1: Selects faster performance.
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