PERCo TTR-08A, Руководство по сборке и эксплуатации, Страница: 31 / 34

Assembly & Operation Manual
Free passage in the direction B (open for free passage in the direction B)
Active front is at the contact “
Unlock B
” while there is a low level at the contact “
Stop
” and
a high level at the contact “
Unlock A
”,
or active front is at the contact “
Stop
” while there is a low level at the contact “
Unlock B
”
and a high level at contact “
Unlock A
”.
At this command the passage direction B opens until the command «Always locked» is
received; the status of the passage direction A does not change at that.
Free passage (open for free passage in both directions)
Active front is at the contact “
Unlock A
” while there is a low level at the contacts
“
Unlock B”
and “
Stop
”,
or active front is at the contact “
Unlock B
” while there is a low level at the contacts
“
Unlock A
” and “
Stop
”,
or active front is at the contact “
Stop
” while there is a low level at the contacts “
Unlock
A
” and “
Unlock B
”.
The both directions open at this command until the command «Always locked» is
received.
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