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3-7
Section
Servo Relay Unit
52
3-6
Connection of Unused Axes
This section provides connection examples for the CS1W-NC213, CS1W-
NC233, CS1W-NC413, and CS1W-NC433 in applications where not all axes
are used.
3-6-1 CS1W-NC213/NC233 -- X Axis Only
Based on
Example 2: Mode 1 Connection
on page 43, the following example
shows the connections for the CS1W-NC213/NC233 when only the X axis (and
not the Y axis) is used. In this example, the limit input signals for both axes are
set to N.C. contacts. With the CS1W-NC413/NC433, if the Z axis is used and the
U axis is not used, the connection will be the same with X and Y replaced by Z
and U respectively.
Position Control Unit
X axis (used)
Y axis
(not used; no wiring required)
X axis (used)
Y axis (not used)
Origin
proximity
input
signal
CCW limit
input signal
CW limit
input signal
Emergency
stop input
signal
N.C. contact
N.O. contact
Input
common
N.C. contact
N.C. contact
24 VDC
X axis (used)
Y axis (not used)
X axis (used)
Y axis (not used)
When there is an unused axis, connect the emergency stop input signal (N.C.
contact) and the CW/CCW limit input signals (N.C./N.O. switchable) for that axis
so that they are ON. If the parameters are at their default settings, the CW/CCW
limit input signals are N.C. contact inputs and so connect an input power supply
and keep power ON.
If the emergency stop input signal and the CW/CCW limit input signals for an
unused axis are not ON, a sensor input error (error codes 6000, 6100, or 6101)
will be generated for the axis, and the ERC and SENS indicators as well as the
LED indicator for the axis will light or flash. The used axis, however, will continue
to operate normally even if an error is generated for the unused axis.
Note
If the CW/CCW limit input signals for the unused axis are set to N.O contacts
using the parameter settings, it is not necessary to wire the CW/CCW limit
inputs. For details, refer to
4-3 Axis Parameter Area
.
3-7
Servo Relay Unit
•
Wiring requirements can be reduced by connecting Servo Drives and PCUs
via a Servo Relay Unit, which provide a connector and a terminal block in one
Unit.
Содержание CS1W-NC113 - REV 02-2008
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