X-DI 64 01  4 Start-up 
HI 801 093 E Rev. 4.00  Page 37 of 52 
4.3.5  Diagnostic Status [DWORD] 
Coding of the variable Diagnostic State. 
ID  Description 
0  Diagnostic values (100...2008) are indicated consecutively.  
100 Bit-coded temperature status 
0 = normal 
Bit0 = 1 : Temperature threshold 1 has been exceeded 
Bit1 = 1 : Temperature threshold 2 has been exceeded 
Bit2 = 1 : Fault in temperature measurement 
101  Measured temperature (10 000 digits/ °C) 
200  Bit-coded voltage status 
0 = normal 
Bit0 = 1 : L1+ (24 V) is faulty 
Bit1 = 1 : L2+ (24 V) is faulty 
201 
202 
203 
Not used! 
300  Comparator 24 V undervoltage (BOOL) 
1001…1064 Status of the channels 1...64 
Coding  Description 
0x0001  Hardware unit fault (submodule) occurred 
0x0002  Channel fault due to internal fault 
0x0004  Overcurrent, channel shutdown 
0x1000  Connection fault I/O bus A 
0x2000  Connection fault I/O bus A 
0x4000  Channel fault while testing the digital input circuit A 
0x8000  Channel fault while testing the digital input circuit B 
 
2001…2008  Fault status of the power sources 1...8 (supplies) 
Coding  Description 
0x0001 Module fault 
0x8000  Undervoltage of the supplies 
 
Table 21:  Diagnostic Information [DWORD]