MTR 221 ACS - MTR 221 ACS DHHS
MANUALE ISTRUZIONI / INSTRUCTION MANUAL
O
PTIONAL
I
TEMS
142
Model R 221 ACS - R 221 ACS DHHS
MT
R
2
21
ACS
-
MTR
2
21
AC
S DHH
S - Optio
nal Ite
m
s
• The other end of the cable, with the DB9 connector and 3 wires, must be connected to the
CanBus interface and power supply, see
Fig. 1
.
• Consult the electric drawing to perform a correct connection of inputs.
W
ARNINGS
C
OLLIMATOR
SUPPLY
IS
NOT
PROTECTED
BY
A
FUSE
. P
RIOR
TO
CONNECTING
THE
COLLIMATOR
,
CHECK
THAT
SUPPLY
IS
PROTECTED
BY
AN
EXTERNAL
FUSE
4A,
NOT
SUPPLIED
BY
R
ALCO
,
SEE
C
HAPTER
-
S
PECIFICATIONS
.
S
UPPLY
CABLES
(24V DC)
USED
FOR
COLLIMATOR
CONNECTION
MUST
BE
SUITABLE
FOR
THE
PURPOSE
AND
COLLIMATOR
CURRENT
ABSORPTION
.(
MIN
.
SECTION
1.5
MM
2).
T
HE
SYSTEM
REQUIRES
SCREENED
CABLES
WITH
THE
ADDITION
OF
FERRITE
CORES
(
NOT
SUPPLIED
)
TO
AVOID
ELECTROMAGNETIC
INTERFERENCE
WITH
THE
SERVER
ELEC
-
TRONICS
.
C
ABLES
FROM
THE
SYSTEM
TO
THE
EXTERNAL
BOARD
MUST
BE
SCREENED
.
THE
FERRITE
CORES
ARE
TO
BE
MOUNTED
ON
THE
CABLES
INSIDE
THE
BOX
AS
SHOWN
IN
THE
DRAWING
BELOW
.
FERRITE
CORES
ARE
USED
TO
ATTENUATE
INDUCTION
AND
IRRADIATION
OF
ELECTROMAGNETIC
INTERFERENCE
.
WE
SUGGEST
A
279
FERRITE
,
ATTENUATION
RANGE
100
MHZ
TO
200
MHZ
,
SUITED
TO
YOUR
CABLES
;
IE
:
MSFC
-10
FERRITE
BY
RICHCO
.
Fig. 1
