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4
PROCEDURES AND SETTINGS BEFORE
OPERATION
4.3 Part Names
4 - 3
1
OVERVIEW
2
SYSTEM
CONFIGURATION
3
SPECIFICATIONS
4
PROCEDURES AND
SETTINGS BEFORE
OPERATION
5
FUNCTIONS
6
UTILITY PACKAGE (GX
Configurator-CT)
7
PROGRAMMING
8
TROUBLESHOOTING
4.3 Part Names
The following explains the part names of the QD64D2.
Figure 4.2 Appearance of the QD64D2
Table 4.2 Part names
Name Description
1)
LED indicator
RUN
Indicates operating status of the QD64D2.
ON: Normal operation
OFF: Watchdog timer error
ERR.
Indicates error status of the QD64D2.
ON: Error at 1 CH or more.
OFF: All channels in normal operation
FUSE
Indicates fuse status of external coincidence output part.
ON: Blown fuse detected
OFF: Blown fuse not detected
A_CH1 to CH2
Indicates input status of A- phase pulse terminal.
ON: Pulse ON
OFF: Pulse OFF
B_CH1 to CH2
Indicates input status of B- phase pulse terminal.
ON: Pulse ON
OFF: Pulse OFF
DEC._CH1 to CH2
Indicates subtraction status of a count.
ON: During subtraction
OFF: During addition
2) External device connector (40 pins)
A connector for connecting an encoder and controller
For terminal layout, refer to Section 3.5.
3) Serial number plate Indicates the serial No. of the QD64D2.
1)
B20
B01
3)
2)
(Connector terminal number) (Connector terminal number
)
A20
A01