USA Measurements US-5011 User manual

US-5011 Indicator
User/Technical Manual
Content subject to change without notice
Version 1.0

US-5011 . 1
Issue AA

1. Indicator Display
§ Zero- Scale is zeroed and gross weight is 0, tare is 0.
§ Net - Display reading is net weight; tare is not 0.
§ Lb, Kg - Unit of measure.
§ Hold - Scale is in dynamic weighing mode.
- Hold flashes - actual fluctuating weight is displayed.
- Hold does not flash - locked weight is displayed.
Function Keys
KEY
MODE
DEFINITION
Weighing mode
<3 seconds
Send output data via the USB or RS232 port
>3 seconds
Enter or exit HOLD mode
Setup or Calibration mode
Shift the flashing data entry position from
right to left
Weighing mode
Select weight unit of measure
Setup or Calibration mode
Increase the digit in the flashing data entry
position by 1
Weighing mode
Tare the weight
Setup or Calibration mode
Confirm the input data and continue to next
step
Weighing mode
<3 seconds
Zero the platform weight
>3 seconds
Power off the scale
Setup or Calibration mode
Exit to normal weighing mode
+
Weighing mode
(more than 3 seconds)
Enter USER parameter setup mode
+
Weighing mode
(more than 3 seconds)
Enter calibration mode

US-5011 . 1
2. OVERVIEW OF CONTROLS AND FUNCTIONS
Indicator Display Character Definitions

US-5011 . 2
3. OPERATIONS
Normal Weighing Mode
1. Power on the scale by pressing the ZERO/ON/OFF key.
2. When the display stabilizes, but it doesn’t show zero, press ZERO/ON/OFF to set a new zero point.
3. Place objects on the scale platform and read the weight on the indicator.
Note: Objects should be placed at the center of the platform. Corner or side loading heavy objects may risk
overloading an individual load cell and damage the scale.
Yes
No
No
4. To change the weight unit of measure, press the UNIT key.
5. To send data to another device via the serial port, press the PRINT/HOLD key.
6. To hold the weight data, press and hold the PRINT/HOLD key for 4 seconds.
7. Power off the scale by pressing and holding the ZERO/ON/OFF key for 4 seconds.
ZERO
If the display dose not shows 0, and there is nothing on the platter, press the ZERO/ON/OFF key to zero the reading.
Zero range: ±20% * full Capacity.
The zero function is unavailable when the displayed reading is out of the zero range and the indicator will show the error
message 0﹉﹉﹉ or 0﹍﹍﹍, meaning the scale is over or under zero range.
Setting a Tare Weight
1. Zero the scale as described above.
2. Place an empty container on the platform, press the TARE key. The display will return to zero, eliminating the weight
of the container. The NET announciator will be lit on the display.
3. Put the material or object to be weighed in the container. The net weight will be displayed.
4. To exit tare mode, remove all weight from the scale. The display will show a negative weight. Press the TARE key to
return the display to zero.

US-5011 . 3
4. Calibration
Note:
(1) Before calibrating the scale, you should prepare standard weights (more than 10% of FS weight) for calibration.
(2) In the following steps, pressing ZERO/ON/OFF will exit calibration.
1.
Move all weight from the scale. Under normal weighing mode, press and hold TARE and ZERO/ON/OFF keys for
more than 4s to enter calibration mode.
2.
The indicator will show “CAL.P0”, the scale will begin to calibrate the zero-point of the scale. Remove all weight from
the scale. Press the TARE key to confirm, or press the ZERO/ON/OFF to exit this mode. After receiving the
reasonable zero-point data, the next step will automatically occur.
3.
When “CAL.P1” is displayed, the scale will be calibrated on second calibration point. xxxxxx kg (or lb) will be displayed.
The default standard weight is 50%FS. Load 5%-100%FS weight on the scale, and use the HOLD or UNIT keys to
input the loaded weight. Press the TARE key to confirm the input, and then the indicator will flash the input standard
weight. After the scale becomes stable it will automatically be directed to next step. If the second point cannot be
calibrated correctly, it will display “CAL.Er” and return back to step2 for re-calibration.
4.
When “CAL.P2”is displayed, the scale will be calibrated on third calibration point. xxxxxx kg (or lb) will be displayed.
The default standard weight is 100% FS. Load 10%-100%FS (this must be equal or larger than the weight from the
second calibration point) weight on the scale. Use the HOLD or UNIT keys to input the standard weight’s value.
Press the TARE key to confirm. The indicator will flash the input weight. If the indicator receives reasonable data, it
will go to next step automatically. If an error occurred, the scale will display “CAL.Er” and return back to step2 for
re-calibration.
5.
When “CAL.P0” is shown again, the scale will calibrate the zero-point again. Remove any weight from the scale, press
the TARE key to confirm; the displayed data will flash. If the indicator receives reasonable data, it will calculate and
store all parameters into EEPROM. Then it will auto-reset, and be directed to weighing mode. If an error occurred in
calibration, the scale will display “CAL.Er” and then it necessary to repeat the procedure from step2.

US-5011 . 4
5. Configuration Parameters Setup
1. When the scale is off, press and hold ZERO/ON/OFF and PRINT/HOLD keys until ‘C0NF’ is shown, which indicates
that the scale is in Configuration parameter setup mode.
2. During setup mode, press the UNIT key to change the flashed digits, and use the HOLD/PRINT key to shift the
flashed position. Press the TARE key to confirm the flashed digits. Press the ZERO/ON/OFF key to exit this mode.
3. Summary of Configuration Parameters Setting:
Para-
meter
Option
Remark
setting
C1
100 - 20000
Display Resolution for main weight unit:
100–20000
2000 for 1000lb
and 2000lb
capacity;
3000 for 3000lb
capacity
C2
100 - 25000
Display Resolution for second weight unit (if main unit is kg or lb, then
second unit is lb or kg): 100–25000
Note: it must be equal or less than 1.25×C1
2500 for 500kg
capacity;
2000 or 1000kg
capacity;
3000 for 1500kg
capacity
C3
0, 1, 2
Division select: 0 – 1; 1 – 2; 2 – 5;
2 for 1000lb;
0 for 2000lb and
3000lb capacity
C4
0 - 5
Decimal point:
0 - x1; 1 - x0.1; 2 - x0.01;
3 - x0.001; 4 - x0.0001; 5 - x10;
1 for 1000lb;
0 for 2000lb and
3000lb capacity
C5
0, 1
Main weight unit (Calibration and setting capacity weight units): 0 – kg;
1 – lb
1
C6
0, 1, 2
Weight Units that can be chosen by UNIT key:
0-kg; 1-lb; 2-kg/lb
2
C7
0 - 9
Power-on zero-point range:
0 - calibration zero -point ±1%FS;
1 - calibration zero –point ±2%FS;
2 - calibration zero –point ±3%FS;
3 - calibration zero –point ±4%FS;
4 - calibration zero –point ±5%FS;
5 - calibration zero –point ±10%FS;
6 - calibration zero –point ±20%FS;
7 - calibration zero –point ±50%FS;
8 - calibration zero –point ±100%FS;
9 - no limitation;
9

US-5011 . 5
C8
0 - 9
Zero range for ZERO/ON/OFF button:
0 –power-on zero -point ±1%FS;
1 - power-on zero –point ±2%FS;
2 - power-on zero –point ±3%FS;
3 - power-on zero –point ±4%FS;
4 - power-on zero –point ±5%FS;
5 - power-on zero –point ±10%FS;
6 - power-on zero –point ±20%FS;
7 - power-on zero –point ±50%FS;
8 - power-on zero –point ±100%FS;
9 - no limitation;
6
C9
0, 1, 2
Select which zero point will be used after scale is powered on and current
weight signal is within the power-on zero-point range:
0 - Current weight;
1 - Calibration zero point;
2 - Power-off zero-point (power-off tare weight as current tare weight).
0
C10
0 - 3
Select which zero point will be used after scale is powered on and current
weight signal is NOT within the power-on zero-point range:
0 - Prompt power on zero point is over range;
1 - Current weight;
2 - Calibration zero point;
3 - Power-off zero-point (power-off tare weight as current tare weight).
0
C11
6
Zero tracking range:
0=no tracking; 1=±0.25d; 2=±0.5d; 3=±1d; 4=±1.5d; 5=±2d;
6=±3d; 7=±4d; 8=±5d; 9=±6d.
6
C12
2
Digital filter intensity:
0= very weak; 1=weak; 2=middle; 3=strong;
2
C13
5
Motion check range:
0=±0.25d, 1=±0.5d；2=±1d；3=±1.5d；4=±2d；5=±3d；6=±4d；
7=±5d；8=±6d；9=±7d；
4
C14
1
Max. weight display:
0=FS+0d; 1=FS+9d;2=101%FS; 3=102%FS; 4=105%FS; 5=110%FS;
6=120%FS; 7=150%FS; 8=200%FS; 9= No limitation
1
C15
0
0=BMI function is disabled
1=BMI function is enabled
0
C16
0
0= Do not recover parameters (Cxx & Uxx) to default set
1= Recover all parameters to default setting
0
CONFIG settings should only be performed by individuals with the required technical knowledge.
Table1: use Kg as calibration unit:

US-5011 . 6
Calibration division value
Display division value in different weight unit that can be used
kg
lb
0.0001kg
0.0001kg
0.0002lb
0.001kg
0.001kg
0.002lb
0.01kg
0.01kg
0.02lb
0.1kg
0.1kg
0.2lb
1kg
1kg
2lb
10kg
10kg
20 lb
0.0002kg
0.0002kg
0.0005 lb
0.002kg
0.002kg
0.005 lb
0.02kg
0.02kg
0.05 lb
0.2kg
0.2kg
0.5 lb
2kg
2kg
5 lb
20kg
20kg
50 lb
0.0005kg
0.0005kg
0.001 lb
0.005kg
0.005kg
0.01 lb
0.05kg
0.05kg
0.1 lb
0.5kg
0.5kg
1 lb
5kg
5kg
10 lb
50kg
50kg
Not available
Table2: use LB as calibration unit:
Calibration division value
Display division value in different weight unit that can be used
Kg
lb
0.0001lb
Not available
0.0001lb
0.001 lb
0.0005 kg
0.001 lb
0.01 lb
0.005 kg
0.01 lb
0.1 lb
0.05 kg
0.1 lb
1 lb
0.5 kg
1 lb
10 lb
5 kg
10 lb
0.0002 lb
0.0001 kg
0.0002 lb
0.002 lb
0.001 kg
0.002 lb
0.02 lb
0.01 kg
0.02 lb
0.2 lb
0.1 kg
0.2 lb
2 lb
1 kg
2 lb
20 lb
10 kg
20 lb
0.0005 lb
0.0002 kg
0.0005 lb
0.005 lb
0.002 kg
0.005 lb
0.05 lb
0.02 kg
0.05 lb
0.5 lb
0.2 kg
0.5 lb
5 lb
2 kg
5 lb
50 lb
20 kg
50 lb

US-5011 . 7
4. More Information for Configuration Parameters:
4.1 The division (d) of scale is determined by C3,C4 and C5 :
If C3=3 (interval is 5), C4=2(decimal point is x.xx), C5=1(unit is lb),
Then C3xC4xC5=5x0.01xlb=0.05lb,
So, d=0.05lb
4.2 The capacity is determined by C1 and d :
If C1=3000, d=0.05lb, then C1xd=3000x0.05lb=150.00lb,
So, the capacity (FS) is 150.00lb
4.3 Operation on C16 :
If you need to recover all configuration and user parameters to their default value, modify the “0” to “1” when
“C16 0” is shown, then press the TARE key to confirm. The indicator will display “dEF.?” and “?” is flashed, press
the TARE key to confirm, then “dEF.?” will flash to indicate recovery processing; “C16 0” will be displayed when
the processing is complete. When the indicator displays “dEF.?” and “?” is flashed, press the ZERO/ON/OFF key
to exit this mode and not to recover parameters.
NOTE: Different setting of the Configuration Parameters can result in the scale having a different performance!
6. User Parameters Setup
1. In normal weighing mode, press UNIT and ZERO/ON/OFF until “USer” is shown to enter in the mode.
2. Press the UNIT key to change the flashed digits, press the HOLD/PRINT key to shift the flashed position. Press
the TARE key to confirm and save the set data and enter next setting. Press the ZERO/ON/OFF key to exit this
mode.
3. Summary of User Parameters Setting:
Parameter
Option
Setting
setting
U1
0 - 15
Auto-off time:
0: no auto-off function;
01-15: when no weight change or key operation is occurring, the scale will
auto power off after 1-15 minutes.
05
U2
0, 1, 2
Backlight on-off mode option :
0= Backlight is always off;
1= Backlight is always on;
2= Backlight is auto on and auto off. The backlight will auto off after 10
seconds of stable weigh or no key operation, and it will auto on when the
scale weight is unstable or key operation is occurring.
NA
U3
0, 1, 2
HOLD/PRINT key function set:
0=HOLD, 1=PRINT; 2=HOLD and PRINT
2
U4
0 - 50
Hold function mode:
0=no hold function;
1=hold larger weight reading;
2-50=when weight is more than 10d and the variety is within ±2d～
±50d, hold stable weight; When weight is below 10d and then over 10d
and becomes stable, the new stable weight will be held.
2

US-5011 . 8
U5
0 - 7
Serial communication output format:
0=communication is disabled
1=output stable weight, unit and status data after PRINT pressed, data
has not been received;
2=output gross, tare, net weight, unit and status data after PRINT
pressed; data has not been received;
3=continuously output displayed weight, unit and status data, data has not
been received;
4=continuously output gross, tare, net weight, unit and status data, data
has not been received;
5=output weight, unit and status data one time when scale becomes
stable;
6=output gross, tare, net weight, unit and status data one time when scale
becomes stable;
7=Command –response mode.
1
U6
3
Baud rate for Serial communication:
0=1200，1=2400，2=4800；3=9600；4=19200
3
U7
0
Serial communication data format:
0=8N1；1=7O1；2=7E1
0
4. More Information for User Parameters Setting:
U5 to set serial communication output format:
(1). U5=0: No serial communication function. It will not transmit or receive any data even if the scale is
installed with serial communication hardware. Serial communication function can be only activated when
the scale is in normal weighing mode.
(2). U5=1: Press PRINT key, the scale will output the current stable weight, weight unit, and current Status
data ; it does not receive any data . The output format is as below:
<LF>< weight reading, minus, decimal point, weight unit><CR><LF>H1H2H3 <CR><ETX>
(3). U5=2: Press PRINT key, the scale will output the data of stable gross, tare, net weight, weight unit and
current status data. The format is as follows:
<LF><Gross: reading, minus, decimal point, unit><CR>
<LF><Tare: reading, decimal point, unit><CR>
<LF><Net: reading, minus, decimal point, unit><CR>
<LF>H1H2H3<CR><ETX>
The number of bytes used:
Weight reading ----------------------- 8bytes;
Minus ----------------------------------1byte;
Decimal point -------------------------1byte;
Weight unit ----------------------------2 or 5 bytes;
Current status (H1.H2.H3) --------- 3bytes
(4). U5=3: Continuously output of the current displayed reading, weight unit and current status data, it does
not receive any data. The output format is same as U5=1.
(5). U5=4: Continuously output of the current gross weight, tare weight, net weight data, weight unit and
current status data, it does not receive any data. The output format is same as U5=2.
(6). U5=5: When the scale is stable, it will output the current displayed reading ,weight unit, and current status

US-5011 . 9
data automatically one time, it does not receive any data. The output format is same as U5=1.
(7). U5=6: When the scale is stable, it will output the current gross weight, tare weight, net weight unit and
current status data automatically one time, it does not receive any data. The output format is same as
U5=2.
(8). U5=7: Bio-Serial Communication: after receiving an available command, the indicator will send out the
corresponding messages.
5. More Details About Serial Communication
The following details contain more information for when U5 is set to 7:
a) The baud rate and data format is set by U6 and U7. Responses to serial commands will be immediate, or
within one weight measure cycle of the scale. One second is adequate for use as a time-out value by remote
(controlling) device.
b) The length of the weight field will be 8 digit weight data, one for minus sign, one for decimal point, two for
measure unit (e.g. “lb”, “kg”). If the unit is lb:oz, another two for “lb” and one for a space (<sp>) after lb.
Units of measure abbreviations are always lower case.
(1). If the weight is overcapacity, the scale will return ten ‘^’ characters (the field of minus sign, decimal
point, weight data is filled by ‘^’).
(2). If the weight is under capacity, it will return ten ‘_’ characters (the field of minus sign, decimal point, and
weight data is filled by ‘_’).
(3). If the zero point has an error, it will return ten ‘_’ characters.
(4). The character will be ‘-’ for negative weight or a space character for positive weight. Minus sign follow
after the first digit.
(5). Useless leading zero before digits are suppressed.
c) Key to symbols used
<LF> : Line Feed character (hex 0AH)
<CR> : Carriage Return character (hex 0DH)
<ETX> : End of Text character (hex 03)
<SP> : Space (hex 20H)
H1H2H3 : Three status bytes
<p> : Polarity character including minus sign for negative weight and a space character for positive weight
W1-W8 : Weight data
<dp> : Decimal point
U1U2 : Measure units, “kg”, “lb”, or “lb oz”
d) Commands and responses
(1). Command: W<CR> (57h 0dh)
Response:
①over capacity:
<LF>^^^^^^^^^^u1u2<CR><LF>H1H2H3<CR><ETX>
②under capacity:
<LF>_________u1u2<CR><LF> H1H2H3<CR><ETX>
③zero-point error:
<LF>----------u1u2<CR><LF> H1H2H3<CR><ETX>

US-5011 . 10
Note: If the weight unit is lb: oz, U1U2= “lb oz” in above item ①②③.
④Normal weight is displayed, current weight unit is kg or lb, decimal point position is set by C4:
<LF><p>w1w2w3w4w5w6<dp>w7w8u1u2<CR><LF>H1H2H3<CR><ETX>
⑤Normal weight is displayed, current weight unit is lb:oz,
<LF><p>w1w2w3w4w5w6lb<sp>w7w8<o><z><CR>H1H2H3<CR><ETX>
Or
<LF><p>w1w2w3w4w5lb<sp> w6w7<dp>w8oz<CR>H1H2H3<CR><ETX>
(2). Command: S<CR> (53h 0dh)
Response: <LF> H1H2H3<CR><ETX>
(3). Command: Z<CR> (5ah 0dh)
Response: <LF>H1H2H3<CR><ETX>
Zero function is activated, and then it returns to current scale status, similar to pressing the ZERO key. If
ZERO function cannot be activated, it will return to current scale status.
(4). Command: T<CR> (54h 0dh)
Response: <LF> H1H2H3<CR><ETX>
TARE function is activated, and then returns scale status, similar to pressing the TARE key. If TARE
function cannot be activated, it will return to current scale status.
(5). Command: U<CR> (55h 0dh)
Response: <LF>u1u2<CR><LF> H1H2H3<CR><ETX>
Changes units of measure and return scale status with new units, similar to pressing the UNIT key. The
new measure unit should be allowed to use as a C5 setting. If the weight unit is lb:oz, U1U2= “lb oz”
(6). Command: L<CR> (4ch 0dh)
Response: <LF> H1H2H3<CR><ETX>
If HOLD function is enabled, go to or exit from HOLD mode, similar to pressing the HOLD key.
(7). Command: X<CR> (58h 0dh)
Response: NONE
Power off the scale, similar to pressing and holding the ZERO/ON/OFF key for 4 seconds.
(8). Command: all others
Response: <LF>? <CR><ETX>
Unrecognized command
e) Additional Commands and Responses for Scale Base Application:
(1). Command: F<CR> (46h 0dh) --- to restore factory calibration data
Response: <LF>OK H1H2H3<CR><ETX>
(2). Command: O<CR> (4Fh 0dh) --- zero point calibration
Response: <LF>OK H1H2H3<CR><ETX> --- if zero calibration is sufficient
<LF> H1H2H3<CR><ETX> ---- if zero calibration resulted in an error
(3). Command: H<CR> (48h 0dh) --- weight calibration
Response: <LF>OK H1H2H3<CR><ETX> --- if weight calibration is sufficient
<LF> H1H2H3<CR><ETX> --- if weight calibration resulted in an error

US-5011 . 11
f) Output status bit meaning:
The status bit definition:
Bit
Byte 1 (H1)
Byte 2 (H2)
Byte 3 (H3)
0
0=stable
0= not under capacity
01=normal work mode
10= hold work mode
00=not define
11= not define
1= not stable
1= under capacity
1
0= not at zero point
0= not over capacity
1= at zero point
1= over capacity
2
0=not AD over
0=not Zero Over
0= gross weight
1=AD over
1=Zero Over
1= net weight
3
0= eeprom OK
0=not Zero down
0=not AD down
1= eeprom error
1= Zero down
1=AD down
4
always 1
always 1
always 1
5
always 1
always 1
always 1
6
always 0
always 1
always 0
7
parity
Parity
parity
7. Symbol Definitions:
0﹉﹉﹉
-Zero point is over the setting range
0﹍﹍﹍
-Zero is below the setting range
Ad﹉﹉﹉
-Analog digital converter chip over max. range
Ad﹍﹍﹍
-Analog digital converter chip below min. range
﹉﹉﹉﹉
-Weight signal is too large
﹍﹍﹍﹍
-Weight signal is too small
EEP.E1
-Config parameters incorrect (no set, no calibration, over normal range, etc.)
EEP.E2
-User parameters are incorrect
CAL-Px
-Calibration point
CAL.Er
-Error in calibration
CAP.--
-The setting full capacity will be displayed
Cx.y
-No. x configuration parameter is set to y
Ux.y
-No. x user parameter is set to y
Lo.bAt
-Battery voltage is below 4.2V

US-5011 . 12
8. Trouble shooting:
SYMPTOM
PROBABLE CAUSE
REMEDY
Does not turn on.
1. AC adapter is not securely connected
2. Low battery
3. Indicator is damaged
1. Re-plug the AC adapter or rotate the plug
to securely connect to the scale
2. Replace the batteries
3. Replace with a new indicator and perform
calibration
Ad﹉﹉﹉
1. The cable from platform to indicator is not
correctly connected, or disconnected, or
short circuit
2. Indicator is damaged
3. Load cell cable is broken
4. Load cell is damaged
1. Check the cable
2. Replace with a new indicator and perform
calibration.
3. Return the scale for repair
Ad﹍﹍﹍
0﹉﹉﹉
Indication is out of key zero range
Reduce the weight on platform, till the
indication is within the key zero range.
0﹍﹍﹍
Weight reading below Power On Zero limit.
1. Check whether an object is stuck between
scale base, if yes, remove the object.
2. Perform zero calibration.
﹉﹉﹉﹉
1. Weight reading exceeds overload limit
2. The weight value cannot be displayed in
the current unit of measure because it
exceeds 6 digits.
1. Reduce load on the scale until a weight
value is displayed.
2. Use a more appropriate unit of measure.
﹍﹍﹍﹍
Weight reading below Under load limit
1. Perform zero calibration
EEP.E1
CONFIG parameters are not correctly set
Re-set CONFIG parameters as technical manual
instructed.
EEP.E2
USER parameters are not correctly set
Re-set USER parameters per the Technical
manual
CAL.Er
1. Input data or loaded weight is too small,
too big
2. Weight signal is unstable, un-linear
1. Input correct data, load correct weight
onto platform.
2. Return the scale for repair
Cannot zero the
display
1. Load on scale exceeds allowable limits.
（20%FS）
2. Load on the scale is unstable
1. Remove load from the scale.
2. Wait for the load to stabilize. then press the
ZERO/ON/OFF key to zero the display
Weighing is not
accurate
1. An object is stuck between the load cell
and scale base
2. Load cell received a heavy impact
1. Remove the object
2. Perform calibration
3. Place the load on the center of the
weighing platform