Salter Brecknell PS500 - Manual (Page 13)

Response: Zero function is activated and it returns to current scale status. just like
pressing ZERO/ON/OFF button:
<LF> H1H2H3<CR><ETX>
If ZERO function cannot be activated, it will return to current scale status.
(4) Command: T<CR> (54h 0dh)
Response: TARE function is activated, and then returns scale status. just like
pressing TARE button:
<LF> H1H2H3<CR><ETX>
If TARE function cannot be activated, it will return to current scale status.
(5) Command: U<CR> (55h 0dh)
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.
<LF>u1u2<CR><LF> H1H2H3<CR><ETX>
If the weight unit is lb:oz, U1U2= lb oz
(6) Command: L<CR> (4ch 0dh)
Response: If Hold function can be activated, it will enable/disable hold (lock)
function, like the HOLD key is pressed, and returns scale status.
<LF> H1H2H3 <CR><ETX>
(7) Command: X<CR> (58h 0dh)
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
<LF>? <CR><ETX>
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