GE Industrial Solutions 6KCV300WPD - 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
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