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Basic principles, overview and ordering information
© 2002 Wieland Electric GmbH Version 2.4* (December 2002)
Part no. 05.591.3389.0
© 2002 Wieland Electric GmbH
99
2.22.5 Control data from PLC to module (outputs)
5 words are transferred from the PLC to the module. They have different
meanings depending on word 5.
Word 1
Word 2
Word 3*
Word 4*
Word 5
X X X
X
xx00 x000 xxxx xxxx b
No effect, i.e. no
data is loaded into
the module
X X X
X
xxxx xxxx xxxx xx1x b
Enabling of the
outputs (0=OFF)
X X X
X
xxxx xxxx nnnn 1xxr b
Feedback bit is
active i.e. the status
of r is reflected to
the PLC on bit n of
word 5
Count value of
counter 1 (MSB)
Count value of
counter 1 (LSB)
X
X
xx01 x000 xxxx xxxx b
Load counter 1
X X Count value of
counter 2 (MSB)
Count value of
counter 2 (LSB)
xx10 x000 xxxx xxxx b
Load counter 2
Count value of
counter 1 (MSB)
Count value of
counter 1 (LSB)
Count value of
counter 2 (MSB)
Count value of
counter 2 (LSB)
xx11 x000 xxxx xxxx b
Load counter 1 and 2
Pre-
disconnection
value of counter
1 (MSB)
Pre-
disconnection
value of counter
1 (LSB)
Pre-
disconnection
value of counter
2 (MSB)
Pre-
disconnection
value of counter
2 (LSB)
xxxx x001 xxxx xxxx b
Load pre-
disconnection value
(counters 1 and 2)
Disconnection
value of counter
1 (MSB)
Disconnection
value of counter
1 (LSB)
Disconnection
value of counter
2 (MSB)
Disconnection
value of counter
2 (LSB)
xxxx x010 xxxx xxxx b
Load disconnection
value
(counters 1 and 2)
Overwrite data of
counter 1*
X
Overwrite data of
counter 2*
X
xxxx x011 xxxx xxxx b
Load overwrite data
(counters 1 and 2)
Configuration
data of
counter 1*
X
Configuration
data of
counter 2*
X
xxxx x100 xxxx xxxx b
Load configuration
data
(counters 1 and 2)
X: Any word value
x: Any bit value
MSB: Most Significant Bit
b: Binary display
*: See below for details
LSB: Least Significant Bit
*Word 3 and word 4 are not transferred if the data width is set to 3. Word 5 is
then transferred as word 3.