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 Numbers           
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 Description           
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|---|---|
| 
 1           
 | 
 Three 5.5 mm diameter holes for fixing the module support to an AM1-PA mounting grid or plate with a 140 mm center distance (mount center distance for TSX 37 PLCs).           
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| 
 2           
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 Four 6.5 mm diameter holes for fixing the module support to an AM1-PA mounting grid or plate with a 88.9 mm center distance (mount center distance for TSX 57 PLCs).           
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| 
 3           
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 Two M4 holes for attaching the TSX SUP 1011/1021/1051 power supply module(s).           
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| 
 4           
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 Recesses to anchor the pins at the bottom and the rear of the module.           
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