GE Industrial Solutions HE300GEN150 - Manual (Page 40)

MAN0373-01 13 APR 2000 PAGE 41
CH. 6
The starting address for the COMM_REQ is the first word in the first block move at %R100. Table 6.1 provides
an explanation of the values in the example (Figure 6.1) that are either specific to the drive or change depending
on the COMM_REQ values. The values in the example are bold and are noted by superscript numbers that
correlate to the numbers in Table 6.1
Table 6.1 – Superscript Notes (Ladder #1 Example)
Superscript
Number
COMM_REQ
Location
Name Description
1 Address Command Length Number of words from Address+6 to
Address+n
2 Address+7 Device Number Device to receive COMM_REQ; 0-31,
or 255 to broadcast
3 Address+11 Datagram Length
(Bytes)
Length of datagram content beginning
at Address+12
4 Address+12 Starting Parameter
Number
(High byte)
High byte of word contains starting
drive parameter.
5 Address+14 Number of Parameter
Values to Write
(High byte)
High byte of word contains number of
parameter values, in bytes, to write to
the drive.
6 Address+15 to
Address+n
Parameter Value Value(s) to be written sequentially to
drive starting with the parameter
number at Address+12 and ending
with the parameter number + number
of parameters.