Figure 2-14. Wiring Example For Single+24 V Dc Power Supply To Controller And Itbs (Negative Ground System) - ABB ControlIT 53MC5000 Instruction Manual

MC5000
1
PC L3 L2
L1 G
SPST
CONTROLLERS AND ITBs ARE WIRED SAME AS
CONTROLLER 3.
+
24 V DC P/S***
-
AC
EARTH GROUND
Figure 2-14. Wiring Example for Single+24 V dc Power Supply to
Controller and ITBs (Negative Ground System)
Section 2. Installation
MC5000
2
PC L3 L2
L1 G
24 V DC DISTRIBUTION
TERMINAL STRIP*
*DISTRIBUTION TERMINAL STRIP AND COMMON
BUS BAR NOT PROVIDED BY ABB Instrumentation.
**ASSUMES 24 V MODULES INSTALLED ON 16DI/DO.
*** P/S IS NEGATIVE GROUND.
MC5000
3
PC L3 L2
L1 G
SPST
SCADA
+24 V
TB1
CORD
SET
TB2
DUAL
RELAY
TB1
ANALOG
TB2
16DI/DO**
TB2
COMMON BUS BAR*
SPST
9
10
1
2
1
2
1
2
2-19