Model PDP DPU Installation, Preparation and Adjustment
Metso Automation MAX Controls
••••
277573
••••
6-4
and CPU load connectors.
6.
Set the proper
DPU Bus
address in the station number switches.
7.
Position each DPU into the top and bottom card guides of each
chassis, but DO NOT push them in far enough to apply power to the
units.
8.
Connect a backup cable (Part number 081387) between the units. Note
that the cable ends are keyed so that they can only be inserted one
way.
9.
For the primary, carefully slide the module forward, verifying that the
connector pins on the solder side of the module engage the
corresponding contact guides on the chassis assembly.
10.
When the contacts are engaged and resistance is felt, firmly press on
the front panel of the module front plate to make the simultaneous
connections at the front and rear. Apply pressure to the left of the
LEDs to place the force directly in line with the printed circuit card of
the module.
11.
Secure module to chassis assembly with the top and bottom lock down
screws on the front of the module.
12.
Before it begins
DPU Bus
communications, the DPU will initially
display FF as its front panel LEDs, progress through a series of steps
counting down from 0F to 06. Once it begins communicating, a
healthy DPU will display a rapidly flickering number whose value is
predominantly 07.
13.
Return mode switch 4 to the left.
14.
Reload the primary DPU using maxTOOLS at a maxSTATION or the
Dump/Reload mode at an Operator Station.
15.
Acknowledge all alarms from the primary DPU.
16.
Display Interaction Page 9 of the DPU at a maxSTATION or Operator
Station. Locate the
Backup?
Field and type
y
for yes; locate the
Startup?
Field and type
y
for yes.
17.
Place the keyswitch of the primary DPU in the Run or Locked mode.
18.
Insert the secondary card using the same steps as the primary.
19.
Make sure the secondary starts up and begins communicating on the
DPU Bus
as described above.
20.
Return mode switch 4 to the left.
