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MELSEC-Q
4 SETUP AND PROCEDURE BEFORE STARTING THE OPERATION
4.3 Part Identification Nomenclature
The names of the parts used in the QD62(E/D) are shown below:
Number Name Description
φ
A On: A voltage is being applied to phase A pulse input terminal.
φ
B On: A voltage is being applied to phase B pulse input terminal.
DEC. On: Pulses are being counted down.
FUNC. On: A voltage is being applied to function start input terminal.
1) LED
FUSE
On: A voltage is being applied to the external power supply input
terminal while the fuse in the coincidence signal output part is
blown.
2) Connector for external devices (40 pins) A connector for I/O signal cables to/from external devices
3) Serial number display Displays the serial number of the QD62(E/D).