Siemens SICAM MIC - Do-6220, Do-6221, Do-6230; 5.4.2.3.1 Further Functions

System Components and Technical Data
62 SICAM RTUs, SICAM MIC System Description
MC6-054-2.00, Edition 07.2014
5.4.2.3 DO-6220, DO-6221, DO-6230
· Pulse commands
t1
─ Checked output of pulse commands
− 1-pole, 1½-pole, 2-pole
− Cannot be mixed on one module
─ Single, double and regulating step commands
─ Application functions and procedures according to IEC 60870-5-101/104
− Formal check
− Direct command
− Select and execute command ("select/execute")
─ Control location check
─ Retry suppression
─ 1-out-of-n check
─ Command locking
─ Synchronization
─ Revision
─ DO-6220 - command output according to IC1
− Idle check
− Selective activation check
─ DO-6221 - command output according to RC1
− Idle check
− Selective activation check
− Resistance check
− Current flow information
− Earth fault check
− Interference voltage check
─ Command output time
− Settable
− Dependent on the process
─ Return information monitoring
─ Command prolongation
─ Periodical control circuit check
─ Switching sequences
─ Monitoring of command output sequence to prevent incorrect outputs
─ Command initionation for auto-reclose
─ Activation of command contactors with or without series-break contacts (with DO-6221)
5.4.2.3.1 Further Functions
· Return information to pulse command assignment (applies only for DO-6230)
─ Settable assignment
─ Predefined assignment