Rockwell Automation 1771-DMC_DMC1_DMC4_DXPS Control Coprocessor User Manual - Manual (Page 165)

API Library of Routines
Appendix B
CC_PLC_STATUS
B-34
Returns current status of the processor status flags and major fault
words. This function can be used with a direct-connect mode control
coprocessor only.
C Syntax
#include
unsigned CC_PLC_STATUS (plc_sts)
unsigned *plc_sts;
Parameters
plc_sts
A bit map of the current PLC-5 programmable controller status. The bit
map is defined as:
Bit
No.
Definition Bit
No.
Definition
0 RAM bad 16 bad user program memory
1 run mode 17 illegal operand address
2 test mode 18 programming error
3 program mode 19 function chart error
4 burning EEPROM 20 duplicatelabels found
5 download mode 21 power loss fault
6 edits enabled 22 chan 3 fault
7 remote modes 23 user jsr to fault routine
8 forces enabled 24 watchdog fault
9 forces present 25 system illegally configured
10 successful EEPROM burn 26 hardwarefault
11 onlineediting 27 MCP file does not exist
/MCP fileis not ladder or SFC
12 debug mode 28 PII fileis not ladder
/PII file does not exist
13 user program checksum done 29 STI program is not ladder
/STI program does not exist
14 last scan of ladder/SFC step 30 Fault program is not ladder
/fault program does not exist
15 first scan of ladder/SFC step 31 Faulted program does not exist
/fault program is not ladder
Returns
Status Symbolic Name Meaning
0 CC_SUCCESS Operation successful
157 CC_E_NOTCONNECT PLC is not connected or offline
CC_PLC_STATUS