I/O events are time stamped locally on each module for minimum time deviance
and stored by the event recorder if present.
SEMOD175370-4 v1
The binary input/output module version with MOV protected contacts can for
example be used in applications where breaking high inductive load would cause
excessive wear of the contacts.
The test voltage across open contact is lower for this version of the
binary input/output module.
IEC04000069 V1 EN-US
Figure 313: IOM with MOV protection, relay example
17.2.9.3 Signals
PID-6434-OUTPUTSIGNALS v4
Table 556: IOMIN Output signals
Name
Type Description
STATUS BOOLEAN Binary input part of IOM module status
BI1 BOOLEAN Binary input 1 value
BI2 BOOLEAN Binary input 2 value
BI3 BOOLEAN Binary input 3 value
BI4 BOOLEAN Binary input 4 value
BI5 BOOLEAN Binary input 5 value
BI6 BOOLEAN Binary input 6 value
BI7 BOOLEAN Binary input 7 value
BI8 BOOLEAN Binary input 8 value
OSCWRN BOOLEAN Oscillation warning
PID-4049-INPUTSIGNALS v2
Table 557: IOMOUT Input signals
Name
Type Default Description
BLKOUT BOOLEAN 0 Block binary outputs
BO1 BOOLEAN 0 Binary output 1
BO2 BOOLEAN 0 Binary output 2
Table continues on next page
Section 17 1MRK 505 384-UEN A
IED hardware
700 Breaker protection REQ650 2.2 IEC
Technical manual
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