Service manual

PT300, Service Manual
Rev B, October, 2000
36
Connector pinouts
A: +5V
B: - Input
C: Ground
D: - Output
E: +12V (Charging Voltage)
F: + Input
G: Unused
H: + Output
Transmit Data format
M Kg
Format = A_O_-XXXXXXX._Lb<CR><LF>
Z
Format explanation:
A = Scale code (Signifies the scale, could
be A for scale A, B for scale B etc..)
Space
M,O,Z = Error code
M = motion,
O = overcapacity,
Z = zero,
space = no error
Space
Minus sign if negative, space if positive.
8 data bits
Space
Units code, Pounds or Kilos
Carriage return
Line feed