Intelligent UFM-B, Maintenance Manual, Page: 10 / 43

9
-
Power supply of 5 V DC;
-
Minimum signal voltage per verification scale interval is 1.5
µ
V;
-
16 bits serial digital output;
-
Excitation power supply for the load cell is 5 V DC;
-
Minimum input impedance of the load cell is 85
Ω
;
-
Maximum cable length for the connection between the indicator and
the junction box or load cells (when more then one load cell is
connected) is 1 m/mm
2
.
-
The analog data processing unit is built in a closed metal box.
2.4 INTERNAL SETTINGS AND CALIBRATION METHODS
12 internal settings are available as below table.
Function Symbol Description
1 F1 Offset value reading
2 F2 Full LCD display segment checking
3 F3 Span value reading/Configuration Setup
4 F4 Auto power off setting
5 F5 RS-232 transmission setting
6 F6 Average function setting
7 F7 Data output setting
8 F8 Printout format setting
9 F9 Auto tare function setting
10 F19 1/30000 verification mode
11 F20 C.G.- gravity of calibration location
12 F21 U.G.- gravity of location of installation
2.4.1 How to Enter the Functions Required
a. Press and hold TARE and turn scale on by pressing ON/OFF
b. The scale shows F1
c. Press TARE until the desired function number appears
d. Press MODE to enter selection
e. Press TARE to save and continue selection
f. Press ZERO to quit to restart the scale
2.4.2 Offset Value Reading (F1)
a. Remove all loads from platform
b. Enter F1 through procedures as described in 2.4.1
c. The display shows the offset value