Delta RMC101 User Manual download pdf (Page 62)

Appendix C: An Example RMC100 Startup Guide

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• The position feedback is to be measured in thousandths of inches, so 1000

position units per inch is entered in the Desired Position Units field.

• The transducer gradient information in the Transducer field is found on

the transducer.

• To set the offset, the following steps are performed

− Retract the cylinder all the way. This can be done by issuing anOpen

Loop (O) command with a small amount of drive.

− When the cylinder is all the way retracted, the transducer shows 1024

counts in this example.

− If this is the desired zero point, click the button in the Offset field and

it automatically enters 1024 into the counts field.

− …increasing counts is selected in the Increasing counts equal…

field.

• Set the desired extend and retract limits to 0.100 and 52 inches. This

system can extend 52.700 inches, but it is undesirable to ever reach either

end.

• Click Apply and Done.

• Issue a Set Parameters (P) command.

The main RMCWin window looks now like this:

6. Tuning position.

Now the system is set up and ready to tune for position. The procedure in

Tuning a Position Axis is followed:

• Issue Open Loop (O) commands with small positive and negative drives to

see if the cylinder goes in the right direction.

• If the cylinder moves in the wrong direction, the wiring to the drive may be

swapped, or Reverse Drive mode can be selected in the Config word.

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Delta RMC101 User Manual Page 62