05.2003 Function Blocks and Parameters
Siemens AG 6SE7087-6QX70 (Version AD)
SIMOVERT MASTERDRIVES Compendium Motion Control 4-9
Depending on their characteristics, connectors either have a length of a
word (16 bit) or a double-word (32 bit). Accordingly, function blocks
have BICO parameters which are suitable for connecting the respective
connector type. It is, however, possible in principle to mix the types
among the connectors. The word length is then automatically adjusted
according to the following mode:
Interconnection of a
a word connector
parameter
Value stays the same
word connector to
a double-word
connector parameter
Value is taken over in
high-word, low-word is
filled up with 0000H
Interconnection of a
double-word connector
a word connector
parameter
Value is taken over from
high-word, low-word
deleted
to
a double-word
connector parameter
Value stays the same
Table 4-1 Interconnecting different connector types
When a double-word connector is interconnected to a word connector
parameter, the signal resolution will drop from 32 bit to 16 bit. As the
low-word is cut off, the information of the lower-order 16 bit of the
double-word connectors is then lost.
Interconnecting
different connector
types
NOTE