Changes

added Micro USB RS-232 pinout
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The RS-232 baud rate corresponds to the setting PA00-21, even parity, 1 stop bit. The slave address seems to be set from PA00-23. It seems to only want to communicate over RS-232 and not RS-485, though maybe there is a trick to it.
 
The RS-232 baud rate corresponds to the setting PA00-21, even parity, 1 stop bit. The slave address seems to be set from PA00-23. It seems to only want to communicate over RS-232 and not RS-485, though maybe there is a trick to it.
 +
 +
{| class="wikitable"
 +
! Micro USB Pin
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! Direction
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! DE9 Pin (DTE)
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! Function
 +
|-
 +
| 1 (VCC)
 +
| drive → PC
 +
|
 +
| +3.3V (for isolator?)
 +
|-
 +
| 2 (D-)
 +
| drive → PC
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| 2 (RXD)
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| PC's RS-232 RX in
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|-
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| 3 (D+)
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| drive ← PC
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| 3 (TXD)
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| PC's RS-232 TX out
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|-
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| 4 (ID)
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|
 +
|
 +
|
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|-
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| 5 (VCC)
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| drive ↔ PC
 +
| 5 (GND)
 +
| GND (digital common)
 +
|}
    
== Parameters ==
 
== Parameters ==