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1.4 Analog calibration
1.5 485 interface
1) communication with sh300(A2B2)
108
(1) Press OK and ESC simultaneously and enter FAB2 password
to jump into the function interface, select FAB/ROM ok, and then
press OK and → keys to calibration interface, each channel must be
calibrated separately(AI0 said I1).
(2)
When “minimum” is prompted, input voltage value to this channel.
Press OK key to confirm, then success message will be prompted,
prompted, input maximum voltage value to this channel. Press OK key
will be identified by Vmax. The input range for Vmin and Vmax is
between 0V to 10V.
(3)
After the analog has been calibrated successfully, FAB2 need to be
cut off the power supply and then it is powered on.
(4)
It is the same for the calibration of other channels. If the analog has
been calibrated successfully, when using relevant analog function
blocks, the analog input value (0V-10V) is not the actual input voltage
value, but the calculation result of the math formula: (V input -Vmin) /
(Vmax -Vmin)* 10.
Item Content
SH-300 COM port 9 pin COM port
PLC COM port 485 interface(A2B2)
Default parameter 9600bps、8bits、1stop、none
Station No. 0-254，default value is 0
Communication method 485
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