Micromod Micro-DCI: 53MC5000 Multi-Loop Process Controller Instruction Manual User Manual
Page 57
2.7.1 SINGLE +24 V DC POWER SOURCE TO CONTROLLER AND ITBS
The procedure to connect the controller TB2 screw lugs to a +24 V dc power source is provided in
Table 2-3. This procedure assumes the power supply, controller, and ITBs are negatively
grounded (negative ground system).
Table 2-3. Single +24 V dc Power Source to Controller and ITBs
Step
Procedure
See Figure
1
Connect the positive (+) 24 V input line, via a remote SPST switch, to TB2-4
(
L1).
Figure 2-13
2
Connect the negative (-) 24 V input line to TB2-3 (
L2).
Figure 2-13
3
Connect TB2-1, Power Common (
PC), to a bus bar that is connected to
earth ground.
Individual wires should connect each controller Power Common (
PC) screw
lug to the common bus bar.
Figure 2-13
Figure 2-14
4
Connect the earth ground to TB2-5, Chassis Safety Ground (
G).
Figure 2-13
Figure 2-13. Single +24 V dc Power Source to Controller and ITBs
1 2 3 4 5
PC L3 L2 L1 G
SPST
24 V dc
POWER
SUPPLY
-
+
EARTH GROUND
TB2 (REAR OF
CONTROLLER)
AC
COMMON BUS BAR FOR
ALL CONTROLLERS
53MC5000 Process Control Station
2-18