Explanation of I/O signals
−141−
7
BX
-compatible mode
2 Explanation of I/O signals
This chapter explains I/O signals specic to the
BX
-compatible mode.
2.1 Input signals
CW input, CCW input
These signals are enabled in the
BX
-compatible mode (speed control).
When the operation data number is selected and the CW input or the CCW input is turned ON, the motor rotates at the
operating speed corresponding to the operation data number selected. When the operation signal having turned ON is
turned OFF, the motor decelerates to a stop.
Turning the CW input ON will rotate the motor in the clockwise direction, and turning the CCW input ON will rotate
the motor in the counterclockwise direction. If the CW and CCW inputs are turned ON simultaneously, the motor will
decelerate to a stop.
“CW (FWD)” and “CCW (RVS)” are displayed on the
MEXE02
.
START input
This signal is enabled in the
BX
-compatible mode (position control).
This is a signal to start positioning operation.
When the operation data number is selected and the START input is turned ON, an operation will be started.
HOME-LS input
This signal is enabled in the
BX
-compatible mode (position control). The HOME-LS input is normally closed.
This is an input of the mechanical home sensor in return-to-mechanical home operation.
“HOME-LS (HOMES)” is displayed on the
MEXE02
.
M0 to M2 inputs
Desired operation type and operation data number can be selected by a combination of ON-OFF status of the M0 to M2
inputs.
Refer to p.144 for details.
Operation data No. M2 M1 M0 Speed control Position control
0 OFF OFF OFF
Internal potentiometer,
Digital setting 0
Positioning operation 0,
Continuous operation 0
1 OFF OFF ON
Analog external setting device,
Digital setting 1
Positioning operation 1,
Continuous operation 1
2 OFF ON OFF Digital setting 2 Positioning operation 2
3 OFF ON ON Digital setting 3 Positioning operation 3
4 ON OFF OFF Digital setting 4 Positioning operation 4
5 ON OFF ON Digital setting 5 Positioning operation 5
6 ON ON OFF Digital setting 6 Return-to-electrical home operation
7 ON ON ON Digital setting 7 Return-to-mechanical home operation
FREE input
When the FREE input is turned ON, the motor current is cut o. The motor output shaft can be rotated manually since the
motor holding torque is lost. When an electromagnetic brake motor is used, the electromagnetic brake is also released.
Note
When a load is installed vertically, do not turn the FREE input ON. The motor loses its holding torque, and the
load may fall.
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