3.) Enable operation
There is no explicit di parameter for the enable operation bit. The generally usable CB
mask must be used.
Input is I3 => di14 CB input = 8: I3
Bit 3 shall be influenced => di15 CB mask = 0008h: EO
Bit 3 shall be evaluated by the "combination block:
co28 combined controlword mask [3] = 8: enable operation
By default, bit 3 shall be set in co31 controlword internal, if either digital input I3 is set, or
the bit in the controlword (0x2500 or 0x6040) is set.
co29 source connection definition[3] => function type definition 0 = 3: Controlword OR
DigitalInput
The control shall be able to deactivate the digital input influence:
co29 source connection definition[3] => function type definition 1 = 0: only co00 bits
co29 source connection definition[3] => function nr selector = 2: choose type with bit 12
If bit 12 is zero, bit 3 is set in co31 via digital input I3 or the corresponding bit in co00; if
bit 12 is "one", the status of bit 3 in co31 is only dependent on co00.
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