Rockwell Automation 1785-Lx0C15 ControlNet PLC-5 Programmable Controllers User Manual - Manual (Page 101)

1785-UM022C-EN-P - February 2008
Appendix
B
Processor Status File
S:0 - S:2 Processor status data is stored in data-file 2.
This word of
the status file:
Stores:
S:0 Arithmetic flags
• bit 0 = carry
• bit 1 = overflow
• bit 2 = zero
• bit 3 = sign
S:1 Processor status and flags
S:1/00 RAM checksum is invalid at power-up
S:1/01 Processor in run mode
S:1/02 Processor in test mode
S:1/03 Processor in program mode
S:1/04 Processor uploading to memory module
S:1/05 Processor in download mode
S:1/06 Processor has test edits enabled
S:1/07 Mode select switch in REMOTE position
S:1/08 Forces enabled
S:1/09 Forces present
S:1/10 Processor successfully uploaded to memory module
S:1/11 Performing online programming
S:1/12 Not defined
S:1/13 User program checksum calculated
S:1/14 Last scan of ladder or SFC step
S:1/15 Processor running first program scan or the first scan of the next
step in an SFC
S:2 Switch setting information
S:2/00
through
S:2/05
Channel 1A DH+ station number
S:2/06 Channel 1A DH+ baud rate
0
57.6 kbps
1 230.4 kbps