- 42 -
AD-4430B
7.4.3.
Verifying Load Cell Connections with Switch Operation
Step 1 Press the
key while holding the
key (
+ ) to display
for general functions mode. Press the
key to enter general functions mode. To
return to weighing mode, press the
key.
Step 2 Press the
key while holding the
key (
+
) to display check
mode
. To display the check item, press the
key.
Step 3 Select self-check mode
using the
key. Press the
key to enter
self-check mode. The checks are performed for the selected items and results are
displayed for approx. 16 seconds. Each measurement value can be displayed using the
key.
7.4.4.
Display and Output of Check Results
When checking and changing items,
is displayed and
is output.
The check result is displayed and output as
in which error codes are accumulated.
If there are no errors,
is displayed and
is output.
If there is an error,
is displayed and
is output. With output BCD, the
value is without a decimal point.
The resistance of the load cell cable is calculated by the following formula :
(Resistance value of the load cell) × (No.3) / (No.1)
No. Check item
Status LED
Display Range
Error Code
1 Load cell input voltage
0.001 V
1
2 SEN
+
voltage
0.001 V
2
3 SEN
-
voltage
0.001 V
4
4 Load cell output voltage
0.001 mV
8
5 Load cell output rate
0.0001 mV/V
16
6 SIG
+
voltage
0.001 V
32
7 SIG
-
voltage
0.001 V
64
8 Internal temperature
0.1 °C
128
:
lighted
:
not lighted
