Salter Brecknell PS500 User Manual
Page 13
Response: Zero function is activated and it returns to current scale status. just like
pressing ZERO/ON/OFF button:
If ZERO function cannot be activated, it will return to current scale status.
(4) Command:
T
Response: TARE function is activated, and then returns scale status. just like
pressing TARE button:
If TARE function cannot be activated, it will return to current scale status.
(5) Command:
U
Response: Changes units of measure and return scale status with new units,
just like pressing UNIT button. The new measure unit should be allowed to
use as per P11 setting.
If the weight unit is lb:oz, U1U2= lb oz
(6) Command:
L
Response: If Hold function can be activated, it will enable/disable hold (lock)
function, like the HOLD key is pressed, and returns scale status.
(7) Command:
X
Response: power off the scale, just like press down the ON/OFF key to turn off
the scale.
(8) Command:
all others
Response: Unrecognized command
2.5) Output status bit meaning:
Table5: The status bits definition:
Bit
Byte 1 (H
1
)
Byte 2 (H
2
)
Byte 3 (H
3
)
0=stable
0= not under capacity
0
1= not stable
1= under capacity
1 0= not at zero point 0= not over capacity
01=normal work mode
10= hold work mode
00=not define
21
1= at zero point
1= over capacity
11= not define
0= gross weight
2
always 0
always 0
1= net weight
0= eeprom OK
3
1= eeprom error
always 0
always 0
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
Ⅶ.
Relationship of capacity and the setting of P7, P8 and P9:
Table6: (Capacity unit is kg or lb)
Division set by P8 and P9（
P8=0）
Resolutio
n
set
by
P7
0.0001
0.001
0.01
0.1
1
10
500
0.0500
0.500
5.00
50.0
500
5000
600
0.0600
0.600
6.00
60.0
600
6000
750
0.0750
0.750
7.50
75.0
750
7500
800
0.0800
0.800
8.00
80.0
800
8000
1000
0.1000
1.000
10.00
100.0
1000
10000
1200
0.1200
1.200
12.00
120.0
1200
12000
1500
0.1500
1.500
15.00
150.0
1500
15000
2000
0.2000
2.000
20.00
200.0
2000
20000
2400
0.2400
2.400
24.00
240.0
2400
24000
2500
0.2500
2.500
25.00
250.0
2500
25000
22