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Transferring Data Using Communication Blocks
33002479 06 07/2008 143
SLAVEREG SLAVEREG is the start of the area in the addressed slave from which the source
data is read. The source area always resides within the %MW word (4x register)
area. SLAVEREG expects the source reference as offset within that area. In 4x
registers, the leading 4 must be omitted. For example, 59 (contents of the variables
or value of the literal) = 40059.
The parameter can be specified as direct address, located variable, unlocated
variable, or literal.
NO_REG Number of registers to be read from the addressed slave (1 ... 100).
The parameter can be specified as direct address, located variable, unlocated
variable, or literal.
REG_WRIT The REG_WRIT word parameter addresses the first register in a series of NO_REG
registers used as source data area.
The parameter must be entered as a direct address or located variable.
DONE Transition to ON state for one program scan signifies data have been transferred.
The DONE parameter can be specified as direct address, located variable or
unlocated variable.
ERROR Transition to ON state for one program scan signifies detection of a new error.
The parameter can be specified as direct address, located variable or unlocated
variable.
STATUS Error code, see Runtime errors.
The parameter can be specified as direct address, located variable, or unlocated
variable.
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