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CONNECTION EXAMPLES
Collegamento trifase a Triangolo o Stella senza neutro su due fasi – GRS-H con ingresso comando Vdc (Tipo ingresso "D")
Three-phase Delta or Wye connection without neutral on two phases - GRS-H GRS-H with V DC command input ("D" type input )
Phase L1
Phase L2
Phase L3
Ground
(*) Oppure uscita relè con tensione uscita Vac (Utilizzare GRS-H con ingresso comando Vac, Tipo ingresso "A")
(*) Or relay output with V AC output voltage (Use GRS-H with Vdc command input Type "A" input )
Esempio di collegamento per GRS-H con comando Vdc con opzione uscita allarme contatto isolato (Opzioni 1 e 2)
Connection example for GRS-H with V DC command with isolated contact alarm output option (Options 1 and 2)
Line
Alarm output (Option 1/2)
Isolated contact
Max. 30Vdc/25Vac
N.O. : Max 150mA
N.C. : Max 50mA
Supply 24Vdc
+
-
(6 to 32 Vdc)
Load
81078B_FGL_GRS-H_05-2021
Alarm output (Option 1/2)
Isolated contact
Max. 30Vdc/25Vac
N.O. : Max 150mA
N.C. : Max 50mA
-
+
Supply 24Vdc
ON / OFF
(6 to 32 Vdc)
Control signal
(6 to 32 Vdc)
Notes on connection of alarm output:
- Parallel connection with multiple GRS-Hs,
with the N.O. option (Option = 1)
- Serial connection with multiple GRS-Hs,
with the N.C. option (Option = 2)
Triangle
connection
R
R
R
Line
+
-
Digital output (*)
-
+
Controller
Star
connection
R
R
R
-
+
ON / OFF
Control signal
(6 to 32 Vdc)
Load
7
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