Rockwell Automation D64046.5.1 U MNL WIN DDMC - Manual (Page 49)

Configuring SDS Instructions
Chapter 4
4-13
3. Type your Step Description File address and press [ENTER] .
The system prompts you for the number of steps. The table below lists
the number of steps you can enter per SDS instruction, depending on the
number of I/O you have.
Number of Steps Per SDS Instruction
If you have this number
of I/O:
Then you can enter this number of steps per
SDS instruction in the PLC-5:
Then you can enter this number of steps per
SDS instruction in the PLC-5/250:
8 76 250
16 45 250
32 23 232
4. Type the number of steps to be directed by the SDS instruction and press
[ENTER] .
The system prompts you for the number of I/O you are using. Valid
number of I/O are 8, 16, or 32.
5. Type the number of I/O you are using and press [ENTER] .
The system prompts you for the Program File number. The program file
number refers to the program file number of the SDS file in the online or
offline program directory.
6. Type the Program File number and press [ENTER] .
The I/O Definition screen is displayed. If you have a PLC-5 processor,
continue with “Entering or Modifying I/O Information” on page 4-14.
In the PLC-5/250 processor, the system prompts you for the Message
Control Block address.