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==Selecting device address==
 
==Selecting device address==
When accessing drive through [[SimpleMotion V2]] bus, each device in the bus should be assigned to different address between 1 to N. Device address is a sum of hardware setting and software parameter {{param|SMO}}. The address of device is determined at the moment of logic voltage power on and will become by sum of hardware setting and SMO.
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When accessing drive through [[SimpleMotion V2]] bus, each device in the bus should be assigned to different address between 1 to 32. Device address is a sum of hardware setting and software parameter {{param|SMO}}. The address of device is determined at the moment of logic voltage power on and will become by sum of hardware setting and SMO.
 
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Hardware setting is set by connecting a resistor between ADDRSELx and GND by method defined in article [[IONI SimpleMotion address selection (ADDRSEL)]].
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Hardware setting is set by connecting a resistor between ADDRSEL1 and GND by following table:
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{| class="wikitable"
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|-
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! Hardware address setting !! Resistance !! Tolerance +/-
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|-
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| 1 || open circuit ||
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|-
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| 2 || 5.6 kOhm (or two 2.7 kOhm in series) || 5%
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|-
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| 3 || 2.7 kOhm (or two 5.6 kOhm wired in parallel) || 5%
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|-
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| 4 || 1.8 kOhm (or 5.6 kOhm and 2.7 kOhm wired in parallel) || 5%
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|}
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{{damage|Never connect ADDRSELn inputs directly to GND with lower than 1 kOhm impedance}}
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Hardware address allows designing a motherboard like [[IONICUBE]] where each device has different address when SMO parameter is at it's default value (0).
 
===Software selecting address===
 
===Software selecting address===
 
When having more than four devices in the same bus, or for example chaining multiple [[IONICUBE 1X]] motherboards (where all of them have address 1), it is necessary to utilize software parameter {{param|SMO}}. Procedure for setting unique address for each device with SMO:
 
When having more than four devices in the same bus, or for example chaining multiple [[IONICUBE 1X]] motherboards (where all of them have address 1), it is necessary to utilize software parameter {{param|SMO}}. Procedure for setting unique address for each device with SMO:
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#Adjust SMO parameter value so that device will receive a desired bus address. I.e. if using IONICUBE 1X, set SMO values 0, 1, 2, 3 to the different drives (drive addresses will become 1, 2, 3, 4). Or when IONICUBE (4 axis) is being used, set SMO values of drives on the first board 0, second board 4, third 8 etc (drive addresses will become 1 - 12).
 
#Adjust SMO parameter value so that device will receive a desired bus address. I.e. if using IONICUBE 1X, set SMO values 0, 1, 2, 3 to the different drives (drive addresses will become 1, 2, 3, 4). Or when IONICUBE (4 axis) is being used, set SMO values of drives on the first board 0, second board 4, third 8 etc (drive addresses will become 1 - 12).
 
#Save settings, disconnect and repeat the procedure for all drives.
 
#Save settings, disconnect and repeat the procedure for all drives.
 
[[Category:IONI]]
 
[[Category:IONI_user_guide]]
 

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