Rockwell Automation 1771-N SERIES High Resolution Analog Module User Manual - Manual (Page 73)

6–5 Module Calibration
Publication 1771ĆUM127B-EN-P - December 2002
Figure 6.1
Connecting a Resistor or Decade Resistance Box to the Remote
Termination Panel
12935-I
Connect the resistor across terminals
R1-I1 and O1.
640 ohm resistor for
high reference value.
1 ohm resistor for low
reference value.
If usinga decade resistance box,
connect in place of the resistor
Decade resisĆ
tance box
3. Send a block transfer write to the module with word 1 containing
CAL CLK bit (01) = 1, and HI/LO bit (00) = 0.
4. Send a block transfer write to the module with word 1 containing
CAL CLK bit (01) = 0, and HI/LO bit (00) = 0.