i3070+s5i_ReplacePowerSupply+ed2.pdf.pdf - 第18页
18 Replacing the Power Supply i3070 4-mod Inline System (E9986E) 4 Remov e old power suppl y: If installing the Omr on 20 A A C/DC power supply, r emove PS1 and PS2. If installing t he Cosel 6.4 A A C/DC power su pply, r…
i3070 4-mod Inline System (E9986E)
Replacing the Power Supply 17
i3070 4-mod Inline System (E9986E)
1 Remove the button screws securing the system’s top cover at the electrical
panel side, then remove the top cover.
2 Remove the trunking covers to access the cables.
3 Open the F-3 fuse holder and replace the 2.5 A slow blow fuse with a new 6.0 A
slow blow fuse.
Turn off the main switch before beginning any replacement
work.
F-3
18 Replacing the Power Supply
i3070 4-mod Inline System (E9986E)
4 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.
Installing the Omron 20 A AC/DC power supply
If installing the Omron 20 A AC/DC power supply, follow step 5 through step 14.
5 Locate and remove the cables labeled PF+, F-, E, L5 and N2 that were
connected to PS2, as they are no longer needed.
6 Mount the bracket for the new Omron 20 A AC/DC power supply.
7 Fit the new Omron 20 A AC/DC power supply into the DIN rail and lock it.
protective cover
PS1 PS3PS2
Mounting bracket for
Omron power supply
i3070 4-mod Inline System (E9986E)
Replacing the Power Supply 19
8 Cables labeled L1, N2, E, P+, and P- (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.
9 Connect a new cable labeled + from F-5 to TB-3.
10 Remove the cables labeled L4 and L5 which are connected between K-B and
TB-1.
Omron 20 A AC/DC
power supply
TB-3
F-5
TB-1
K-B