MEP S.p.A.
6--4 Use and maintenance manual DM 8
2. wires list (list of all wires) with the following information:
- in--house article code;
- identification code;
- description
- section of wire (mm
2
);
- colour of wire;
- start: indicates the component (identification code and contact number) at which the wire starts;
- end: indicates the component (identification code and contact number) at which the wire ends;
e.g.
CODE CABLE DESCRIPTION SECTION NO. COLOUR START END
022.0141 -- W 7 RESET+EMERGENCY 0.50 317 WHITE -- S 3 4 -- K 1 0 14
In this example, wire no. 317 white, identified as ---W7, starts from contact no. 4 on component ---S3, and
ends at contact no. 14 on component ---K10.
Enclosed below is Appendix D2 to European Standard EN 60204---1
D2---Letter codes used to designate the type of component
LETTER TYPE OF COMPO NENT EXAMPLES
IDENTIFICATION OF THE COMPONENT
A Complex units
Laser
Maser
Regulator
A
B
T ransducers converting a non
electrical signal to an electrical
signal and vice versa
T ransistor amplifier
IC amplifier
Magnetic amplifier
Valve amplifier
Printed circuit board
Drawer
Rack
AD
AJ
AM
AV
AP
AT
AR
C Capacitors C
D
Binary operators, timing devi-
ces, storage devices
Digital integrated circuits
and devices:
Delay line
Bistable element
Monostable element
Recorder
Magnetic memory
Tape or disk recorder
D
E Various materials
Devices not specified in
this table
E
Lightning protectors
Arrestors
F
F
Protective Devices
Instant action current thre-
shold protector
Delayed action current
threshold protector
Instant and delayed action
current threshold protector
Fuse
Voltage threshold protector
FA
FR
FS
FU
FV