)NSTALLATION INSTRUCTIONS
3$
6
# ' #
#HECKING THE TRANSMISSION LINK TO ,3!
&OR MODELS WITH INTERFACE FOR A CENTRAL DATA PROCESS
ING STATION EG ,3! THESE CONNECTIONS MUST ALSO
BE CHECKED )T IS IMPORTANT TO VISUALLY CHECK THE ALLO
CATION OF THE TRANSMITTER AND RECEIVER CHANNELS
3INCE EACH CONNECTION IS USED FOR ONE TRANSMISSION
DIRECTION THE TRANSMIT CONNECTION OF THE RELAY MUST
BE CONNECTED TO THE RECEIVE CONNECTION OF THE CEN
TRAL UNIT AND VICE VERSA
4RANSMISSION VIA OPTICAL FIBRE IS PARTICULARLY INSENSI
TIVE AGAINST DISTURBANCES AND AUTOMATICALLY PRO
VIDES GALVANIC ISOLATION 4RANSMIT AND RECEIVE CON
NECTOR ARE DESIGNATED WITH THE SYMBOLS
FOR
TRANSMIT OUTPUT AND
FOR RECEIVE INPUT 4HE
NORMAL SIGNAL POSITION FOR THE DATA TRANSMISSION IS
FACTORY PRESET AS LIGHT OFF 4HIS CAN BE CHANGED BY
MEANS OF A PLUG JUMPER 8 WHICH IS ACCESSIBLE
WHEN THE PLUGIN MODULE IS REMOVED FROM THE CASE
4HE JUMPER IS SITUATED IN THE CENTRE REAR AREA OF THE
PROCESSOR BOARD &IGURE
*UMPER
0OSITION
.ORMAL SIGNAL POSITION
8
,IGHT OFF
8
,IGHT ON
2
6
6
8
2
8
$
8
4
4
&ACTORY SETTING 8 8
CONNECTOR SIDE
&IGURE
0OSITION OF THE JUMPER 8 ON THE PROCESSOR BOARD
Содержание 7SD502
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