4 Getting Started
4.3 Electrical Connection
29
SICAM I/O Unit, 7XV5673, Device Manual
E50417-H1040-C484-A3, Edition 05.2012
Supply from a Direct Voltage Source
Terminal N/-:
Negative supply voltage
Terminal L/+:
Positive supply voltage
Terminal :
Protective
grounding
Terminal blocks N and P
Interference suppression capacitors at the relay contacts: ceramic, 4.7 nF, 250 V
NOTE
The grounding on the SICAM I/O Unit always has to be connected to the terminal for protective conductor
(terminal block H).
Table 4-1
Terminals on Terminal Blocks N and P
Terminal
Circuit
Description
Terminal block N
N1
N2
Relay output 1, root
Relay output 1, NO
N3
N4
Relay output 2, root
Relay output 2, NO
N5
N6
N7
Relay output 3, NC
Relay output 3, NO
Relay output 3, root
N8
N9
N10
Binary input 1
Binary inputs 1+2
Binary input 2
N11
N12
Binary input 3
Binary input 3
Terminal block P
P1
P2
Relay output 1, root
Relay output 1, NO
P3
P4
Relay output 2, root
Relay output 2, NO
P5
P6
P7
Relay output 3, NC
Relay output 3, NO
Relay output 3, root
P8
P9
P10
Binary input 1
Binary inputs 1+2
Binary input 2
P11
P12
Binary input 3
Binary input 3
+
+
-
+
-
+
+
-
+
-
MAN_SICAM_IO-Unit_7XV5673_US.book Page 29 Thursday, May 10, 2012 10:59 AM