BECKHOFF EL6900-FB - Manual (Page 17)

System description
Function blocks for TwinSAFE logic terminals 15
Figure 2-6: Variables
Table 2-4: Diagnostic information for a connection
Value Description
xxxx 0001 Invalid command
xxxx 0010 Unknown command
xxxx 0011 Invalid connection ID
xxxx 0100 Invalid CRC
xxxx 0101 Watchdog time elapsed
xxxx 0110 Invalid FSoE address
xxxx 0111 Invalid data
xxxx 1000 Invalid communication parameter length
xxxx 1001 Invalid communication parameters
xxxx 1010 Invalid user parameter length
xxxx 1011 Invalid user parameters
xxxx 1100 FSoE master reset
xxxx 1101 Module error detected on slave, with option "Module error is ComError" activated
xxxx 1110 Module error detected on EL290x, with option "Error acknowledge active" activated
xxxx 1111 Slave not yet started, or unexpected error argument
xxx 1 xxxx FSoE slave error detected
xx 1 x xxxx FSoE slave reports Failsafe Value active
x 1 xx xxxx StartUp
1 xxx xxxx FSoE master reports Failsafe Value active