User Manual User Manual

3-16 Wiring

Figure 3.14 Typical Wiring Diagram for Start-Stop Control via DPI

Communications

Note: Use this wiring diagram when start-stop will come from

either a Bulletin 20-HIM LCD interface module or a

Bulletin 20-COMM communication module connected to the

SMC-Flex.

Note: Logic mask must be properly configured, see Chapter 8.

➀

Customer supplied.

➁ Refer to the controller nameplate to verify the rating of the control power input voltage.

For units rated 625…1250 A, terminals 11 & 12 are factory pre-wired from terminal block

CP1 - terminals 1 & 4.

11 12

15 16

18 19 20

25 26

28 29

30 31 32 33

L1/1

L3/5

L2/3

T3/6

T2/4

T1/2

3-Phase

Input Power

Branch

Protection

SMC-Flex

Controller

Aux #3Aux #2

Aux #4

Aux #1

SMC-Flex

Control Terminals

PTC

Input

TACH

Input

Ground

Fault

➀

➁