Rockwell Automation 1771-DA,D17716.5.13 U MNL 1771-DA ASCII I/O MODULE - Manual (Page 105)

ASCII I/O Module Tutorial
Chapter 4
4Ć31
1. Display the initialization file FO007:0002. Press
DD,O7:2
The cursor is on the first word of the file (word 2).
2. Convert the data to hex or binary. Press
,[SHIFT]%H[ENTER]for hex
,[SHIFT]%B[ENTER] for binary
3. Enter hex (or binary) data into each file word (word 2 thru 5) by
pressing [ENTER] after you have entered data into the command
buffer at the bottom of the screen. Press [ ] to move the next file
word. Do not load data into words 1 and 2. They are not part of the
initialization file.
When entering data, binary is easier to understand because you set actual
bits. Hex is faster and more convenient when you convert from binary to
hex as follows:
Binary Hex Binary Hex Binary Hex Binary Hex
0000 0
0001 1
0010 2
0011 3
0100 4
0101 5
0110 6
0111 7
1000 8
1001 9
1010 A
1011 B
1100 C
1101 D
1110 E
1111 F
4. To terminate the file display and return to ladder diagram, press
[CANCEL COMMAND].
Initialization data must be transferred to the module before the module
can respond to features that you selected. The initialization logic that you
added (Figure 3.6) allows you to initialize the module by changing the
PLC-3 operating mode from program load to run monitor and back again.
Press
3[ENTER]2[ENTER]
You will use the above procedure and the procedures from chapter 1 often
in this tutorial.