Automatic Systems
PNG38X-A3_1-04-gb-02.doc
10/12/01
p. 7/51
2.4. Sectional views
3:1 Mobile obstacle
Legend:
Right type PNG382 (model shown: w/o fixed obstacle)
3:2 Balance spring
3:1
3:1
3:2
3:2
3:3 Driving shafts & pillow blocks
3:4 Motor
3:5 Driving rods
3:6 Detection photocells
3:7 Hinged hoods
3:8 Frame
3:3
3:3
3:3
3:3
3:4
3:4
3:5
3:5
3:5
3:5
3:6
3:6
3:7
3:7
3:8
3:8
3:9
3:9 Earth bolt
2.5. Common abbreviations
•
The most common abbrevations used in this manual are as follows:
♦
Alr
:
Alarm
♦
BT
:
Time base
♦
CR
:
Red cross
♦
CS
:
Safety photocell
♦
FCF
:
Closing limit switch
♦
FCO
:
Opening limit switch
♦
FL
:
Green arrow
♦
I/O
:
Inputs/Outputs
♦
J
:
Jumper
♦
LC
:
Card reader
♦
LED
:
Light-Emitting Diode
♦
NC
:
Normally closed (ditto)
♦
NO
:
Normally open (ditto)
♦
Picto
:
Pictogram
♦
PLC
:
Programmable Logic Controller
♦
PNG
:
Unattended passage (see
paragraph
[
2.8. Sample configuration
]
)
♦
VF
:
Variable speed controller
♦
VSC
:
Variable Speed Controller
♦
X
:
Connector (in electrical diagrams)