GE Industrial Solutions 6KCV300WPD User Manual
Page 68
GEI-100340
il
Description
It performs a master
communication
This block gets
the input words (il, i2 and i3)
and sends them to the appropriate slave, retrieves the words received from
the slave and writes them to
output
words
and 03). It also manages the timeout
r
output) when the communication does not
occur for 1 cycle or for
tmo
cycles.
Input ports
Name
Type
il
int
i3
int
tmo
int
Executed
always
always
always
always
Function
1 st word to be transmitted
2nd word to be transmitted
3rd word to be transmitted
number of cycles after which the r output is set to 2.
Output ports
N a m e T y p e
01
int
0 2
int
03
int
int
1 st word received
2nd word received
3rd word received
communication status:
if 0 the block has found valid received words since previous
execution
if 1 the block has not found valid received words since
previous execution, but not for more than tmo cycles
Parameters
Name
Type
Function
slave-id
int
of the slave
len-w
int
number of words to be transmitted to the slave
index of slave
where to write the 1st words
transmitted by the master
len-r
int
number of words to be received from the slave
int
index of slave
where to read the 1 st words transmitted
by the slave
Alarm causes
Code Function
0
slave-id
must be positive and not greater than 63
1
len-w
must be positive and not greater than 3
2
must be positive and not greater than 47
4
must be positive and not greater than 3
5
must be positive and not greater than 47
the
sum of
len-w
and
exceeds 47
9
the
sum of
len-r
and
exceeds 47
200
the program contains more than 32
blocks
58