
load cell signal before the A/D converter. The injected signal is -0.2 mV/V times the
setting. If you have a slightly overloaded 3 mV/V load cell, with a fixed zero load, you can
use this parameter to offset the load cell signal so that you avoid a HPAD Overload
condition.
GAIN
This value is used by the HPAD Converter to control the Gain on the analog side of the
HPAD converter. The amount of Gain depends on how much dead load and live load
there will be on the scale. The Gain Parameter decreases as the HPAD Gain increases.
This value is normally set to 15. For extremely low live load signals, you can decrease
this value form its default of 15, but you must make sure the counts stay within the
acceptable limits. See HPAD Diagnostics, page 56.
Set Status
This value is the hardware calibration state and is preset at the factory. This value
should not be changed.
WARNING:
This number should not be changed from its setting of 2. DO NOT CHANGE THIS
NUMBER!
# of HPAD’s
There are three possible settings for this parameter:
0
Used for simulation or training purposes only. The HPAD is not sampled at all.
1
Normal setting, used when you have one HPAD present.
2
Dual HPAD setting. In rare occasions, there are two HPAD’s installed.
Password Settings
This menu is used to set the passwords that allow you access to the Setpoint,
Calibration, Setup and Diagnostic screens. The passwords are four digit numeric values.
The default Setpoint Password is 0 (no password), Calibration password is 1234, Setup
password is 5678 and the Service Menu password is 1030.
Register Editor
You can access the internal MC³ database directly with the register editor. All protection
and “values within reason” checks are disabled.
There are some “undocumented” or experimental functions included, that do not appear
in the user menu system. The only place to set parameters for them is here. You may
also be instructed by technical support to use the register editor for error trapping
purposes.
There are 629 registers, numbered 1 to 629. Some of them are not used. Some are
write-protected, and some are conditionally write protected. All used registers have a
name, which can give you a hint of what they are used for.
Access is only allowed if the logic input
Regs Editor
is On. If the logical input is Off, the
button will not appear on the diagnostic screen.
CAUTION:
The values in this menu are very sensitive. Changing any of these values could
adversely affect the operation of the Feeder Controller. In fact, you can easily crash the
application. This would require you to perform a complete controller RAM reset to factory
default conditions. You would then have to enter every parameter. See Start-Up, at page
54.
In the register editor the ‘>’ symbol is used to denote the active line. The top line displays
the register number. The second line displays the register name and value.
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