PT200MI instruction manual 19
6.4.1 ENTER SERIAL CALIBRATION SETTING MODE 1 (by using a known weight)
The PT200MI displays "CAL 1" throughout the serial setting mode.
Transmit Response
(RS485)<ENQ>IDXX<CR><LF>
(RS232/RS485)CAL 1<CR><LF> or CAL<CR><LF>
(RS485)<ACK>XX<CR><LF>
(RS232/RS485) CAL ZERO<CR><LF>
PT200 displays “CAL 1”
1. ZERO CALIBRATION
Transmit Response
[string]<CR><LF> YES<CR><LF>CAL SPAN<CR><LF> or
Error [n]<CR><LF>
Options for [string]
N = Perform a zero offset calibration
R = Return to normal weighing condition without any adjustment.
J = SKIP ZERO OFFSET CALIBRATION.
Note: If maximum capacity, division or multiplier was changed and no calibration is performed after the
modification, then the R command is invalid and N or J must be entered.
Input N to perform zero offset calibration only when there is no motion detected (motion annunciator is
not lit) and no load is on the weighing platform.
ERROR [n] : See the errors listing in section 6.3 above.
2. SPAN CALIBRATION
Transmit Response
[num]<CR><LF> CAL SPAN [num]<CR><LF>YES<CR><LF> or
Error [n]<CR><LF>
Options for [num]
The value of the calibration load.
R<CR><LF> to return to normal weighing. YES
Note: If maximum capacity, division or multiplier was changed and no calibration is performed after the
modification, the “R” command is invalid.
Note: The calibration load is entered as a number without decimal point and must be a multiple of the
indicator step size. i.e if the indicator maximum capacity is 100.00 and the step is 0.05 and the
calibration load is 75.15 enter 7515 for num above.
ERROR [n] : See the errors listing in section 6.3 above.
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