- 6 - tousek / EN_ST-61A_08 / 25. 03. 2020
B
K
TA
T
ISD
FE
F
L2 L1
2.1 Control board overview and terminal assignment Trac light control unit STA 11
For connection, adjustment and mainte-
nance works ensure that the electronics
are not damaged by moisture (rain).
With ST 61A no limit switch is
necessary: terminals 60/61 have to be
wire bridged!
Components of trac light control board
(K) Terminals
(B) Bus terminals (connection with operator control unit)
(TA) Test button (switches all trac lights on)
(L 1) green LED: Status OK
(L 2) red LED: error (message on the display of the drive
control)
(T) Transformer
(ISD) Slot for optional induction loop detector
(
p. 9)
(command)
(FE) Slot for optional radio receiver (
p. 8)
(F) fuse 3,15A T
Warning
• Before opening the control housing please
switch o necessarily the main switch!
• In-supplied control inside the unit is powered.
• the safety regulations to prevent electrical shock have to
be respected.
• The unit is designed to be connected by qualied perso-
nnel.
• The device must not be used in hazardous areas!
• A pole disconnecting main switch with a min. contact gap
of 3mm has to be provided. The system must be protected
in each case in accordance with applicable safety regula-
tions!
• IMPORTANT: The control lines (sensor, buttons, radio
remote control, light barriers, etc.) have to be laid sepa-
rately from the 230V lines (supply, motor, signal light).
230V max. 60W
L N
earth
230Va.c.
Phase
50Hz
neutral
0
1
2
9/1
9/2
9/3
9/4
38
30
32
30
97
6
99
6
96
6
98
6
induction loop
outside
induction loop
inside
impulse switch
outside
impulse switch
inside
Limit switch
GREEN
outside
RED
outside
GREEN
inside
RED
inside
B
operator control unit
Bus
High
Bus
Low
88
89
88
89
60
61
ST 61A
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