Spectrum Controls 1762sc-OF8 - Manual (Page 28)

3-8 MicroLogix™ 1200 IO 8 Ch Output Module
User’s Manual Pub. 0300246-01 Rev. B
Figure 3-3 (Input Addressing Scheme)
(1) I /O located on the controller (embedded I/O) is slot 0. I/O added to the controller (expansion I/O) begins
with slot 1.
The layout for the input data file is shown below.
Table 3-5 (Input Data File)
Input Word Normal Run Mode Command Mode
I:e.0 General Status Word 0 Command Echo
I:e.1 Output Status Word 1 (ch 0-3) Response Code
I:e.2 Output Status Word 2 (ch 4-7) Response Channel
I:e.3 Echo Config (ch 0-1)
I:e.4 Echo Config (ch 2-3)
I:e.5 Echo Config (ch 4-5)
I:e.6 Echo Config (ch 6-7)
I:e.7 Not Used
The following table describes each of the input data words when in command mode.
Table 3-6 (Input Words - Command Mode)
Word Description
Command Echo (Word 0)
Matches Command Word 0 (i.e. O:e.0).
When this word matches the Command Word,
it indicates the command is complete. The Response
Code is now valid.
Response Code (Word 1)
Non-zero is an error (see Response Codes).
This is valid only when Command Echo matches
Command Word.
Response Channel (Word 2)
If Response Code error, indicates which channel.
Only applies to commands that involve channels.
Echo of Data (Word 1) Chan 1 Config Chan 0 Config
Echo of Data (Word 2) Chan 3 Config Chan 2 Config
Echo of Data (Word 3) Chan 5 Config Chan 4 Config
Echo of Data (Word 4) Chan 7 Config Chan 6 Config
Not Used (Word 7)