Rockwell Automation 1761-NET-ENIW MicroLogix Ethernet Interface (ENI) User Manual - Manual (Page 107)

Publication 1761-UM006E-EN-P - August 2005
Connecting CompactLogix Controllers on Ethernet 8-15
The MSG in Rung 7, shown in Table 8.4, configures an email address
into node 50 of the email table, using a path of 2, 150. For the ENI
prior to series B FRN 2.20, the ASCII email address is encoded into an
integer array tag of size 42 (INT[41]) as follows:
1. In element 0 of the integer array, enter the number of ASCII
characters in the new email address.
2. Change the radix of element 1 to ASCII.
3. Type in the first two ASCII characters of the email address in
single quotes.
4. Change the radix of the next element to ASCII.
5. Type in the next two ASCII characters of the email address in
single quotes.
6. Repeat steps 4 and 5 until the entire email address is entered.
7. Leave all remaining elements at zero.
Figure 8.15 Enter an Email Address
Enter your CompactLogix ladder program per Rungs 0 through 8 as
shown and described above. Be sure to enter your IP addresses for
ENI #2, the SLC 5/05, and the 1756-ENBT into the proper tags in the
controller’s tag database. Before saving your program, enter the
TIP
For an odd number of characters, the last
element should look like ‘x$00’, where
x is the
last character in the email address.