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10
2.9 Terminal blocks
Overview of the device connec�ons:
Descrip�on of the terminals:
S2022
FUSE FF12A
CN2 – RS 485 Serial Interface
CN3 – Control connec�ons
FX1 - Power connec�ons
FX2 – CT sensing input
CN1 – Auxiliary AVR power supply
CN4 – Field Flashing
GND
GND
-RESERVED-
LINK –
LINK +
-RESERVED-
-RESERVED-
-RESERVED-
Excita�on output (Field -)
Excita�on output (Field +)
Power supply
Power supply
Power supply
Sensing reference
Sensing
Bridge B-115V if sensing >100V
Sensing
GND
C1
Common
Increase reference adjust
Decrease reference adjust
52G status (parallel feedback)
±5V analog input
1Kohm Poten�ometer input
OUT (E)
OUT (C)
C.T. input S1
C.T. input S2
+12÷35 Vdc
GND (-)
FF ON
Common
FF OFF
C2
C3
C4
C5
C6
C7
C8
S1
S2
1
2
ON
com
OFF
Note: the reserved pins have to be le� unconnected
BELTRAME
CENTRO SERVIZI ENERGIA
Содержание S 2022
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