Allen-Bradley 1794-IT8 - Flow Chart for Calibration Procedure

6–4 Calibrating Your Module
Publication 1794-6.5.7 – April 1997
Flow Chart for Calibration Procedure
Apply reference signal for of fset
calibration to each channel to
be calibrated.
Set corresponding bits in the
calibration mask and set cal
Hi/Lo = 0
Set cal–clk =1
Set cal–clk =0
Cal–done = 1
?
NO
YES
NO
YES
Apply reference signal for gain
calibration to each channel to
be calibrated.
Retain corresponding bits in
the calibration mask and set
cal Hi/Lo = 1
Set cal–clk =1
Set cal–clk =0
and
cal hi/lo = 0
NO
YES
NO
YES
Clear corresponding bits in
the calibration mask
BTR
Legend:
Cal–done = 0
?
Cal–done = 0
?
Cal–done = 1
?
BTW
BTW
BTR
BTW
BTW
BTR
BTW
BTR
BTW
BTW
BTR
BTW
= block transfer write
= block transfer read
Bad–cal = 0
?
NO
YES
Exit
Cal–range = 0
Bad–cal = 0
?
NO
YES
Exit
Cal–range = 0