Mitsubishi Electric Melsec Q Series User Manual page 76

7 Setting and procedure for operation
(1) Names and functions of LEDs
The following describes names and functions of LEDs.
Name
RUN LED
ERR. LED
ALM1 LED
ALM2 LED
MEA. LED
R LED
1 LED
3 LED
*1 For details, check with the list of error codes. (Refer to section 9.1)
(2) Names of signals of terminal block
The following describes names of signals of terminal block.
Terminal symbol
Table 7.3-1 Names and functions of LEDs
Color Role
Green Displays the
operation status
of this module.
Red Displays errors
and conditions of
this module.
Red Displays alarm 1
occurrence
status.
Red Displays alarm 2
occurrence
status.
Green Displays the
status of
measurement of
this module.
Green Displays the
status of
measurement
(regeneration) of
this module.
Green Displays the
status of
measurement
(regeneration) at
side 1 of this
module.
Green Displays the
status of
measurement
(regeneration) at
side 3 of this
module.
Table 7.3-2 Names of signals of terminal block
1k 1-phase current input terminal (power source side)
1l 1-phase current input terminal (load side)
3k 3-phase current input terminal (power source side)
3l 3-phase current input terminal (load side)
P1 1-phase voltage input terminal
P2 2-phase voltage input terminal
P3 3-phase voltage input terminal
FG Frame GND terminal
ON/OFF condition
ON: Normal operation
OFF: 5V power discontinuity, watch dog
timer error
ON: Error occurring (except out-of-range
*1
error)
Flashing: Out-of-range error
OFF: Normal operation
Flashing: Alarm 1 occurring
Alarm 1 occurring  Not occurring
ON:
(In the case of alarm 1 reset method
= self-retention)
OFF: Alarm 1 not occurring
Flashing: Alarm 2 occurring
Alarm 2 occurring  Not occurring
ON:
(In the case of alarm 2 reset method
= self-retention)
OFF: Alarm 2 not occurring
ON: Measuring electric energy
(consumption) or electric energy
(regeneration)
OFF: Other than the above
ON: Measuring electric energy
(regeneration)
OFF: Other than the above
ON: Measuring 1-phase electric energy
(regeneration)
OFF: Other than the above
ON: Measuring 3-phase electric energy
(regeneration)
OFF: Other than the above
Name of terminal
7 - 4
QE81WH
*1