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

Page 61

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2.7.3 110/120 V AC POWER SOURCE TO CONTROLLER

The procedure to connect the controller TB2 screw lugs to a 110/120 V ac power source is pro-
vided in Table 2-5.

Table 2-5. 110/120 V ac Power Source to Controller

Step

Procedure

See Figure

1

Connect the phase or hot input line, via a remote SPST switch, to TB2-4
(

L1).

Figure 2-17

2

Connect the neutral input line to TB2-3 (

L2).

Figure 2-17

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 2-17

Figure 2-18

4

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

G).

Figure 2-17

Note

SURGE PROTECTION

All supply connections include surge protection

rated at 275 V ac normal mode.

Figure 2-17. 110/120 V ac Power Source to Controller

1 2 3 4 5

PC L3 L2 L1 G

SPST

NEUTRAL

HOT

EARTH GROUND

TB2 (REAR OF

CONTROLLER)

BOX

BREAKER

110/120 V ac

AC NEUTRAL

AC HOT

COMMON BUS BAR FOR

ALL CONTROLLERS

53MC5000 Process Control Station

2-22