BRAIN 17
9
732788 - Rev. A_1
ENGLISH
4.3 J3 - LOW-VOLTAGE ACCESSORIES - INPUTS/OUTPUTS
9
OP-A
OPEN A contact - N.O.
TOTAL opening
Connect a button or other pulse generator which, by closing
a contact, commands TOTAL
opening
of both leaves.
10
OP-B
OPEN B contact - N.O.
PARTIAL opening
Connect a button or other pulse generator which, by closing
a contact, commands the
PARTIAL opening
.
on 2-motor systems = 100% of leaf 1 opening;
on 1-motor systems = 50% of leaf 1 opening.
When a logic requiring a
CLOSE
(
b
,
C
) input is selected, the,
OPEN B
input automatically becomes
CLOSE - N.O.
(leaves
closing command).
To install more than one OPEN A or OPEN B pulse generator, connect the N.O. contacts in
parallel (see related Fig.)
11
STOP STOP contact - N.C.
Connect a button or other pulse generator which, by opening
a contact, stops movement of the
automated system
.
To install more than one STOP device, connect the N.C. contacts in series (see related Fig.).
If stop devices are NOT connected
, jumper the terminals STOP and GND.
12
FSWCL
FSW CL contact - N.C.
closing safety
Connect a photocell or other device which, by opening a con-
tact,
reverses the movement
of the automated system during
opening (FSW OP) or during closing (FSW CL).
13
FSWOP
FSW OP contact - N.C.
opening safety
To install more than one safety device, connect the N.C. contacts in series (see related Fig.).
If safety devices are NOT connected
, jumper terminals FSW CL and FSW OP and GND if the
FAIL-SAFE safety is not active; otherwise jumper FSW CL and FSW OP and OUT1 (FAIL-SAFE).
14
-
GND Accessories power supply negative
15
16
17
+
+24 Accessories power supply positive (MAX. load = 500mA)
18
19
TXFSW FAILSAFE negative
Fig.
e.g.: Connecting 2 N.O. contacts in parallel.
Fig.
e.g.: Connecting 2 N.C. contacts in series.
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