Editing Argon resolver adapter
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To configure drive for resolver: | To configure drive for resolver: | ||
*Ensure that drive has at least [[Argon firmware releases|firmware]] package version 1.3.0 | *Ensure that drive has at least [[Argon firmware releases|firmware]] package version 1.3.0 | ||
| − | *Choose Resolver from feedback device parameter | + | *Choose Resolver from feedback device parameter [[FBD]] |
| − | *Set feedback device resolution | + | *Set feedback device resolution [[FBR]] to 2048 PPR (resolver will give same resolution as 2048 PPR / 8192 count encoder). Note: 2048 is not always the correct value, see ''Multi-turn or multi-speed resolvers'' chapter. |
| − | *Tune motor normally. If motor is always unstable or locks motor position, try changing direction of feedback by toggling checkbox | + | *Tune motor normally. If motor is always unstable or locks motor position, try changing direction of feedback by toggling checkbox [[FBI]] |
====Multi-turn or multi-speed resolvers==== | ====Multi-turn or multi-speed resolvers==== | ||
| − | Some resolvers produce more than one electrical cycle per revolution (resolver's pole pair count greater than 1). This means that also Argon sees it to produce larger position counter change per revolution. For multi pole pair resolvers, multiply the | + | Some resolvers produce more than one electrical cycle per revolution (resolver's pole pair count greater than 1). This means that also Argon sees it to produce larger position counter change per revolution. For multi pole pair resolvers, multiply the [[FBR]] of 2048 PPR by the number of pole pairs. For example, enter FBR value 4096 for 2 pole pair resolver and 8192 for 4 pole pair resolver. |
| − | If you're unsure of how many pole pairs the resolver has, just attach it to drive and rotate it manually exactly one revolution while inspecting position counter value at Granity's Testing tab. If you see position counter changing approx 8192 counts, then it's single-turn resolver. If you see change of ~16384 or more, then it's multi-turn resolver. To determine correct | + | If you're unsure of how many pole pairs the resolver has, just attach it to drive and rotate it manually exactly one revolution while inspecting position counter value at Granity's Testing tab. If you see position counter changing approx 8192 counts, then it's single-turn resolver. If you see change of ~16384 or more, then it's multi-turn resolver. To determine correct [[FBR]] value, write down the counter change over one revolution, divide it by 4 and round it to nearest value of 2048, 4096, 6144, 8192 or any N*2048. |
Example: if you find position counter changes 16760 counts per mechanical revolution, then divide it by 4 to get 4190, then round it to 4096 which is the correct value for FBR. | Example: if you find position counter changes 16760 counts per mechanical revolution, then divide it by 4 to get 4190, then round it to 4096 which is the correct value for FBR. | ||
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