Toshiba V Series Manual page 230

Appendix D Definitions of the Function Block for Slave Data Input/Output
D
210
ERR1: BOOL; (*Error 1*)
ERR2: BOOL; (*Error 2*)
ERR3: BOOL; (*Error 3*)
DONE1: BOOL; (*Completion*)
END_VAR
model 3000 DeviceNet Module Manual (DN311/DN311A)