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Lenord + Bauer
4.1.3
State diagram
S1
S
Control system states
State transitions
C
State Identifier
S0
Self-test
S0.1 Self-test fail The fault is signalled via the fieldbus; the state remains active
S1
Operation
S1.1 Enable
S1.2 Limit excee-
ded
S1.3 Lock wait
GEL 3011
Safety-related section
T2
T3
T1.1
T1.1
S1.2
Limit exceeded
T3
T3
S2
Internal fault
Explanation
Automatic self-test or self-test triggered via the fieldbus ⇒ Re-
lay not energised
until a new self-test has been triggered via the fieldbus
Normal operation: safe device state
Acceleration values within the limits; monitoring active ⇒ Re-
lay energised, DIAG LED: State 3
At least one actual acceleration value is too high ⇒ Relay de-
energised, DIAG LED: State 1
Inhibit time active: Time since the last limit value was exceeded
is less than the inhibit time (Customized preset (default: 30 s))
⇒ Relay de-energised, DIAG LED: State 2
Power On
T5
T0
S0
Self test fail
Self test
T6
T5
T1.0
S1.1
T1.4
Enable
T1.3
T1.2
S1.3
T1.1
Lock wait
T4
T3
S3
External fault
4 Function
T6
S0.1
T1.5
T2
T4
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