Skov DOL 539, Circuit Diagrams And Cable Plans

Page: 34 / 76

DOL 534 • DOL 539
34 Circuit Diagrams and Cable Plans
5 Circuit diagrams
5.1 General information about circuit diagrams
Symbols are pursuant to the IEC/EN 60617 standard.
The classification of the symbols ("letter codes") on the symbols is pursuant to the IEC/EN 81346-2 standard.
Reference designations are in accordance with IEC/EN 81346-1:2001 structuring principles and reference des-
ignations. This standard indicates structured methods for naming electrotechnical systems.
5.1.1 Color code
Letter Code Color Standard
BK Black
Color coding on wires are in accor-
dance with standard IEC 60757:
Letter codes to identify colors used
on drawings, diagrams, labelling,
etc.:
BN Brown
RD Red
OG Orange
YE Yellow
GN Green
BU Blue (incl. light blue)
VT Violet (purple red)
GY Grey (slate)
WH White
PK Pink
GD Gold
TQ Turquoise
SR Silver
GNYE Green-and-yellow
5.1.2 Power supply isolator
Power supply isolator
The installation of a power supply isolator is required for each motor and
motor control.
5.1.3 Letter Code
The letter codes used in accordance with standard IEC/EN61346-2.
-F -K -M -Q -S -T -W
Protective
equipment
RCCB / Initial
fuse Protective
motor switch
Controller
Contactor
Fan
Motor
Power supply
isolator
Switch Motor con-
troller
Cable