i3070+s5i_ReplacePowerSupply+ed2.pdf.pdf - 第12页

12 Replacing the Power Supply i3070 Lean Inline System (E9988EL) Installing the Omr on 20 A AC/DC power suppl y If installing the Omr on 20 A A C/DC power supply, follow step 6 thr ough step 15 . 6 Locate and r emove the…

i3070 Lean Inline System (E9988EL)

Replacing the Power Supply 11

4 Open the F-3 fuse holder and replace the 2.5 A slow blow fuse with a new 6.0 A

slow blow fuse.

5 Remove old power supply:

If installing the Omron 20 A AC/DC power supply, remove PS1 and PS2.

If installing the Cosel 6.4 A AC/DC power supply, remove PS3.

a Open the protective cover and loosen the screws to release all cables at the

AC/DC power supply terminal point of the power supply to be replaced.

b Remove the button screws and any cable ties securing the power supply to

be replaced. Remove the power supply and bracket.

F-3

protective cover

PS1 PS3PS2

12 Replacing the Power Supply

i3070 Lean Inline System (E9988EL)

Installing the Omron 20 A AC/DC power supply

If installing the Omron 20 A AC/DC power supply, follow step 6 through step 15.

6 Locate and remove the cables labeled PF+, F-, E, L5 and N2 that were

connected to PS2, as they are no longer needed.

7 Locate and remove these cables:

• cable labeled F– that connects K-2 (terminal contact 12) and TB-4.

• brown cable labeled L4 that connects K-B (terminal contact 12) and F-4.

• brown cable labeled L5 that connects K-B (terminal contact 8) and TB-2.

i3070 Lean Inline System (E9988EL)

Replacing the Power Supply 13

8 Mount the bracket for the new Omron 20 A AC/DC power supply.

9 Fit the new Omron 20 A AC/DC power supply into the DIN rail and lock it.

10 Cables labeled L1, N2, E, +, and – (previously connected to PS1) are to be

connected to the Omron power supply. The terminal point connections remain

the same.

• If using the existing cables, the connector heads have to be replaced with

ferrule heads to connect to the Omron power supply.

• If the existing cables are not long enough, replace them with the new cables

that have the same labels. Be sure to connect the new cables to the same

locations as the old cables.

11 Connect a new cable labeled + from F-5 to TB-4.

Mounting bracket for

Omron power supply

Omron 20 A AC/DC power supply

TB-4

F-5