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Micromod Micro-DCI: 53MC5000 Multi-Loop Process Controller Instruction Manual User Manual

Page 65

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2.7.5 220/240 V AC (NO NEUTRAL) POWER SOURCE TO CONTROLLER

The procedure to connect the controller TB2 screw lugs to a 220 (208)/240 V ac (no neutral) power
source (208 V ac

±

10% variance) is provided in Table 2-7.

Table 2-7. 220/240 V ac (No Neutral) Power Source to Controller

Step

Procedure

See Figure

1

Connect the hot input line, via a remote DPST switch, to TB2-4 (

L1).

Figure 2-21

2

Connect the second hot input line, via a remote DPST switch to TB2-2 (

L3).

Figure 2-21

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 2-21

Figure 2-22

4

Connect the earth ground at the supply source (green/green-yellow ground)
to TB2-5, Chassis Safety Ground (

G).

Figure 2-21

Note

SURGE PROTECTION

All supply connections include surge protection

rated at 275 V ac normal mode.

Figure 2-21. 220/240 V ac (No Neutral) Power Source to Controller

1 2 3 4 5

PC L3 L2 L1 G

DPST

HOT

EARTH GROUND

TB2 (REAR OF

CONTROLLER)

AC

BREAKER

220/240 V ac

BOX

HOT

HOT

HOT

COMMON BUS BAR FOR

ALL CONTROLLERS

53MC5000 Process Control Station

2-26