Machine and cam data
9.3 Read machine data
FM 352 electronic cam controller
70 Operating Instructions, 05/2011, A5E01071724-03
9.3 Read machine data
Procedure
To read actual machine data from the module:
1. Set the following trigger bit in the channel DB:
– Read machine data (MDRD_EN)
2. Call FB CAM_CTRL in the cyclic user program.
This saves the current machine data to the parameter DB on the CPU.
Excerpt from the channel DB
Address Name Type Start value Comment
35.0 MDWR_EN BOOL FALSE 1 = write machine data
35.1 MD_EN BOOL FALSE 1 = enable machine data
37.1 MDRD_EN BOOL FALSE 1 = read machine data
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