Ntcs04 Termination Unit Layout; Switching Hot Vs. Switching Neutral - ABB Symphony Harmony Series Instruction

Introduction
1
2
3
4
5
6
7
8
MODULE CABLE
CONNECTOR (P1)
P5
SERIAL LINK
CONNECTOR
(P5)
STATIONS
CONNECTOR
(P3)
STATIONS FUSE
CLIP (F3)
Figure A-1. NTCS04 Termination Unit Layout
E4 COM
+
I/O
MODULE
E2 COM
–
LEGEND:
FIELD POWERED (SWITCHING HOT)
SYSTEM POWERED (SWITCHING NEUTRAL)
Figure A-2. Switching Hot vs. Switching Neutral
A - 2
FIELD I/O TERMINATION BLOCKS
(TB1-TB4)
TB4 TB3
1
2
3
4
5
6
7
8
XU3
XU4
F2
F3 F4
P3
P1
E3 E4
DIGITAL CHASSIS
INPUTS FUSE COMMON
CLIP (F4)
TYPICAL XU5-XU7
1 16
2 15
3 14 E3 COM
4 13
5 12
6 11
7 10 E1 COM
8 9
STANDARD DIPSHUNT
TB2 TB1
1 1
XU9
2 2
XU8
3 3
4 4
XU5
5 5
6 6
XU6
7 7
XU7
8 8
XU2 XU1
P4
F2 F1
P2
E2 E1
AUX. +24 V
FUSE CLIP
(F2)
E1 AND E3 ARE NOT FUSED
+
–
–
FIELD POWER
ANALOG
OUTPUT
CONFIGURATION
SOCKET (XU9)
STATION
ANALOG INPUT
FEEDBACK
CONFIGURATION
SOCKET (XU8)
DIGITAL INPUT
CONFIGURATION
SOCKETS
(XU5-XU7)
ANALOG INPUT
CONFIGURATION
SOCKETS
(XU1-XU4)
SERIAL LINK
CONNECTOR
(P4)
STATIONS
CONNECTOR
(P2)
STATIONS FUSE
CLIP (F1)
T00101A
FIELD
CONTACT
+
T00037B
WBPEEUI240769B0