Functions - Fuji Electric MICREX-SX series SPF User Manual

Section 3 Specifications

(2) Functions

1) Status indication LED
Input status indication (red)
Output status indication (red)
PWR/BAT RUN/MEM
(red/orange) (green)
ON (red) ON
ON (red) OFF
ON (red) Blinks
ON (red) ON
ON (red) Blinks
ON (red) Blinks
ON (red) OFF
Blinks alternately
–
in red and orange
ON (red) OFF
2) Built-in loader port (PORT 0)
The built-in loader port is used to connect a personal computer loader.
Use a dedicated cable (Type: NA0H-CUV [1.8m]) to connect a personal computer loader.
3) I/O terminal block
Upper side: Terminals for external power supply (24V DC, 400mA) and input terminals
Lower side: Terminals for power supply to control the unit and output terminals
* The tightening torque: 0.59 to 0.78N·m.
* For the details of the signal assignment and wiring method, see "3-10 Terminal Arrangement."
* The terminal blocks of advance main units (NA0PA***) are detachable.
The terminal blocks of basic main units (NA0PB***) are not detachable.
4) Battery connection switch
ON (upper side) : The battery is internally connected to the PLC.
OFF (lower side): The battery is internally disconnected from the PLC (factory default setting).
* When you start using the main unit, set the battery connection switch to ON.
For details, see "3-2-2 Memory backup and internal battery specifications".
* The left figure shows the status indication LED
of the main unit with 24 points.
ALM
Status
(red)
OFF The CPU is running normally.
OFF The CPU is stopped normally.
A program is being downloaded.
OFF (A program is being downloaded while the PLC is stopped or
being rewritten while the PLC is running)
Blinks The CPU is running in a nonfatal fault condition.
A program is being rewritten while the PLC is running when
Blinks
the CPU is running in a nonfatal fault condition.
A program is being downloaded when the CPU is stopped in a
Blinks
fatal fault condition.
Blinks The CPU is stopped in a fatal or nonfatal fault condition.
– Battery voltage is low or the battery connection switch is OFF
A unit fault has occurred.
Blinks at high speed
(system ROM or system RAM error)
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