ADVANCED MICRO SYSTEMS, INC. |
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Command | Function |
| Type | NV Bytes | |
^ | Read Moving Status |
| Immediate, Program | 1 | |
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Mnemonic | Data 1 |
| Data 2 | Result | |
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| (Name) ^ | None |
| None | Status |
^ (Read Moving Status)
The host may use this command to determine the current moving status that exists within the
This command is normally used external from the controller’s
^The result from this command would be a decimal number. Any number other than 0 indicates the controller is moving.
Command | Function |
| Type |
| NV Bytes |
\ | Write to NV Memory |
| Immediate |
| N/A |
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Mnemonic | Data 1 | Data 2 | Result | ||
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| (Name) \ (a, d) | Address | Data | None | |
\ (Write to NV Memory)
This command allows the programmer to modify any location in the memory. The command being changed must be done so in decimal format. Special step sequences may be entered, and all initialization constants may be changed. (Reference “Memory Map” in the beginning of this section for specific locations).
The life expectancy of the NV memory may be affected by this command. This command complements the Read NV Memory ( [ ) command. Addresses
This is a very powerful command and care must be taken not to overwrite other needed sections of the nonvolatile program. The example of this command is as follows:
AMS controllers are factory set with the following program example:
P 0 | Enter program mode. |
+1001 Move 1001 steps in the plus direction.
W 100 Wait 100 milliseconds.
- 1000 Move 1000 steps in the minus direction.
W 100 Wait 100 milliseconds.
Z 0 | Display step position. |
G 0 0 | Go to location 0 and run stored program. |
P | Exit program mode. |
Let’s say you wish to change the G 0 0 section of the program to the soft stop command @. When you query the program it shows the G command at location 16. The decimal value for the @ command is 0. So, to change the G 0 0 command to a soft stop you would enter the following command line:
\ 16 0
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