Mitsubishi Electric MELSEC iQ-R User Manual page 85

■Setting of the hold trigger generation timing
Set the timing of detecting a hold trigger after the number of the generated level triggers is counted in 'CH1 Trigger judgment
count setting value' (Un\G545). When level triggers are generated for the set number of level triggers, a hold trigger is
generated.
Ex.
When 'CH1 Level trigger condition setting' (Un\G542) is set to Level trigger (Rise) (1) and 'CH1 Trigger judgment count setting
value' (Un\G545) is set to 3 (times), the following operation is performed.
Y
(1)
Tx
Y: Stored value of a device to be monitored
t: Time
Tx: Trigger setting value
(1) Trigger generation (first time)
(2) Trigger generation (second time)
(3) Generation of a hold trigger
Ex.
When 'CH1 Level trigger condition setting' (Un\G542) is set to Process alarm (upper limit warning/lower limit warning) (6) and
'CH1 Trigger judgment count setting value' (Un\G545) is set to 3 (times), the following operation is performed.
digit
(2)
P
UU
P
UL
P
LU
P
LL
(1)
digit: Digital operation value
t: Time
P : Process alarm upper upper limit value
UU
P : Process alarm upper lower limit value
UL
P : Process alarm lower upper limit value
LU
P : Process alarm lower lower limit value
LL
(1) Trigger generation (first time)
(2) Trigger generation (second time)
(3) Generation of a hold trigger
(2) (3)
(3)
t
t
1 FUNCTIONS
1.14 Normal Logging Function
1
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