# Difference: ECSWiener (1 vs. 2)

#### Revision 22007-03-26 - KaikuoZHUO

Line: 1 to 1

 META TOPICPARENT name="ECSSetting"
Changed:
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<

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## Fan Trays Numbering Scheme

The fantrays of each rackrow form a single CAN chain. The CAN Node ID of the fantrays is as follows
Changed:
<
<
0x<0|1><rack-number>
>
>
<0|1><rack-number> (demical)

Changed:
<
<
Assuming the node ID is a hexadecimal number the first digit is either 0 or 1
>
>
or

Changed:
<
<
0 for a crate in the top position
>
>
0|10 + <rack-number>

Changed:
<
<
1 for a crate in the bottom position
>
>
Assuming the node ID is a demical number, the first digit is either 0 or 1, namely 0 or 10. (Because the LCD panel in wiener use demical digit)

Changed:
<
<
The second digit (least significant) is the number of rack
>
>
0(0) for a crate in the top position

1(10) for a crate in the bottom position

The second digit is the number of rack

Example

The fan trays in D3E03 (VELO) would have

Changed:
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<
0x03 (top crate) 0x13 (bottom crate)
>
>
3 (top crate)

13 (bottom crate)

as CAN Node ids

#### Revision 12007-03-21 - KaikuoZHUO

Line: 1 to 1
>
>
 META TOPICPARENT name="ECSSetting"

## Fantray Numbering Scheme

The fantrays of each rackrow form a single CAN chain. The CAN Node ID of the fantrays is as follows

0x<0|1><rack-number>

Assuming the node ID is a hexadecimal number the first digit is either 0 or 1

0 for a crate in the top position

1 for a crate in the bottom position

The second digit (least significant) is the number of rack

Example

The fan trays in D3E03 (VELO) would have

0x03 (top crate) 0x13 (bottom crate)

as CAN Node ids

-- KaikuoZHUO - 21 Mar 2007

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