AEC OS Series Gravimetric Batch Blenders - Manual (Page 54)

Page 53 of 118
11. Press . The screen should read “Current Dump Valve
Cycles 1.” To increase this press <1>, to decrease press <2>. This
allows the dump valve to open and shut repeatedly when the weigh
hopper is empty to shake lose any sticking material.
12. Press until you reach the first calibration screen.
13. Press <5> to look at the alarm screen.
14. This screen allows you to change the way alarms on each feeder
function. Toggle by pressing the corresponding feeder number.
You can select “STP” (stop) which means if there is any kind of
alarm on this feeder, the blender process will stop (i.e. The feeder
supply hopper is out of material.) You can also set it to “Run.” This
mode will alarm but let the blender continue to run or you can set it
to “OFF” mode. “OFF” mode sets no alarms.
5-5-3 Verifying Calibration
1. Press <5> from the start screen.
2. Enter password <5><4><1><3> and press .
3. Press <1> for calibration.
4. Press <2> for direct scale read-out.
5. This screen should show you the following:
• It shows the weight. (Should be “0” for empty. If you place a
known weight on the hopper, the number should increase
proportionally.)
• It should show you whether the mixer is in high level. (Lets you
check for false high level readings.)
• It should also provide a set of A to D’s. (A to D’s are your analog
to digital bit read-outs.) The load cell span is from 0 to 4095. If
this number will not change while applying pressure to the load
cell or if the number is close to 4095, you have a problem with
your load cell.
6. Press until reaching the first start screen.
***Anything in the Diagnostics Menu that is not covered here is in
the Detailed Controller Setup Section***
5-6 Controller Mode Setup
Setting up a recipe
1. From the <1> start screen press <2> twice for recipe setup.
2. Enter password <5><4><1><3>.
3. Press to select recipe formats (“EZ”, Percentage or Parts format).
4. Press to reset to the last screen.
5. Turn on the hoppers you wish to use (or label them in “EZ” format Color,
Regrind, Natural, or Additive) by pressing the corresponding numbers.
6. Press to reset to the last screen.