STANDARD SERIAL OUTPUT:
20mA current loop output to A&D’s peripheral
device
SETPOINT:
Changes settings of each comparison value
using a thumbwheel or AD4401-05 Setpoint unit
USER DEFINED CONTROL I/O PINS:
Select 6 of 14 control input commands
Select 8 of 16 control output commands
SYSTEM SELF-DIAGNOSTICS
The most important factor in the installation of
any weighing or controlling system is to assure
that all cables, I/O connections and options are set
up and working correctly. This can be very time
consuming and difcult, adding to the expense of
the installation.
The AD-4401 solves this problem by providing
System Self-Diagnostics that can check:
■
All Installed Options
■
All I/O Connections (Without the Need for Test
Equipment)
■
Setpoint Connections
■
Control Keys
■
A/D Converter Input Value
CUSTOMER PROGRAMMABLE
CONTROL I/O PINS AND “F”
FUNCTION KEY
Each batching installation has different control
I/O requirements. The AD-4401 adapts to these
requirements by allowing the programming of
each of its Control I/O pins. The user may assign
up to 6 input functions from a selection of 14,
including: Zero, Tare, Batch Start, Emergency
Stop, Discharge Start, Clear Tare, Accumulation,
Hold and others. Up to 8 output functions from a
selection of 16 may also be selected, including:
Zero Band, Under and Over Limits, Full-Medium-
Dribble Flow, Discharge Gate Open, Batch Finish
and others.
Additionally, the programmable “F” function
key on the front key pad of the AD-4401 may
be programmed for special operation, including:
Manual Print, Hold, Batch Start, Emergency Stop,
Clear to Zero, Clear Tare or Clear Total.
ADDITIONAL FEATURES
REAR PANEL FEATURES
SUPERIOR FREE-FALL CONTROL
The type of material being batched, ambient
temperature, ow rate, consistency of the material,
and many other factors impact the accuracy of
any batching process. The AD-4401 provides
two types of free fall compensation which may be
selected according to batching conditions. Fuzzy
Free Fall Compensation is particularly effective
in batching inconsistent material, such as sand
with stones; honey, whose ow rate changes
according to ambient temperature; and our,
which is susceptible to sticking to the sides of the
discharge gate.
HIGH PERFORMANCE A/D
CONVERTER
New Sigma Delta A/D converter IC provides
high speed, high resolution and high sensitivity in
a very small package, that saves space, reduces
parts and lowers cost.
EIGHT MODES OF WEIGHING/
BATCHING PROGRAMS
Available for:
■
Weigh-in Batching
■
Loss-in-Weight Batching
■
Check Weighing
SUB-DISPLAY
Tare, Final Weight, Accumulated Weight, Count
of Measurements, plus Calibration Settings.
OPTION SLOT
POWER SOURCE CONNECTION
ANALOG OUTPUT (WHEN USED WITH AD4401-07 OPTION)
LOADCELL CONNECTION
1 2 3 11 12 134 5 6 7 8 9 10
EXC+ SEN+ SEN- E ACEXC- SIG+ SIG- SHLD A+ A- SHLD
AC 220V
SETPOINT CONTROL I/O SER. OUT
SETPOINT
NET/GROSS
Net B/G
ZERO
0
TARE
ENTER
OPR/STB
ESC
T
F
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