Central Processing Unit
5–6
1070 072 145-102 (01.07) GB
PG Mode LED
Stop LED on NT200
The PG Mode and Stop LEDs indicate the following controller operating sta-
tuses:
PG Mode Stop LED display Explanation
f Extinguished Normal operating status
F Illuminated D Outputs disabled
D Inputs / outputs fixed
FF Flashing Copying:
D RAM ³ Flash-EPROM
D RAM ³ MemoryCard
f Extinguished Controller in Run mode
F Illuminated Controller in Stop mode
FF Flashing Copying error:
D Flash-EPROM ³ RAM
D RAM ³ MemoryCard
FF FF Simultaneous flashing, 2 Hz No firmware found
FF FF alternating flashing Internal error, displayed in PLC utility program
FFFF FFFF rapid simultaneous flashing, 8 Hz Defective central processing unit
Copy / Stop / Run switch/button
The switch provides two positions to select the the operating status of the
controller, and one pushbutton position for the Copy function:
D Stop mode
D Run mode
D Copy procedure: – at Power-ON
– during standard operation
. Refer also to order no. for “CL200 Operations List”, in section 1.6,
chapter “Memory Management”.
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