Allen-Bradley 1738-ADNX Manuel d'utilisateur télécharger pdf (Page 72)

Publication 1734-UM015A-EN-E - November 2009

70 DeviceLogix Capabilities

For more information on the Move/Logical category, refer to the

DeviceLogix System User Manual, publication RA-UM003

Logic Execution Time

The execution time is dependent on the total number of function blocks used

in the entire DeviceLogix program.

The module will execute the entire logic program before applying the outputs.

The module follows these steps:

1. Sample all inputs (hardware, network, peer).

2. Execute logic.

3. Apply all outputs (hardware, network).

RS (Reset Dominant) 0 0 0 0

010 1

100 0

110 0

001 1

011 1

101 0

111 0

Number of Function Blocks Expected Execution Time (ms)

0…40 1

41…100 2

101…144 3

Function Block Type Reset Set Value at time +

Value at time +

0+1

1 2 ... 67 68 69 70 71 72 73 74 75 76 77 ... 111 112

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Allen-Bradley 1738-ADNX Manuel d'utilisateur Page 72