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Staircase control unit THZ
39
Connecting the THZ control unit
5.3.2 Connecting the RWA switch
GND
1
2
3
4
5
6
7
8
9
RD
YE
GN
YE
+24V
Last RWA switch FT4
CLOSE button
ALARM switch
CLOSE button
ALARM switch
CLOSE button
ALARM switch
GND
1
2
3
4
5
6
7
8
9
RD
YE
GN
YE
+24V
OPEN
OPEN
2nd RWA switch FT4
GND
1
2
3
4
5
6
7
8
9
RD
YE
GN
YE
+24V
1th RWA switch FT4
GND
ALARM
CLOSE
+ 24V
LED Fire
LED Windows OPEN
LED Operation OK
LED Fault
max. 400 m
K
K
K
K
K
K
K
K
K
K
K
K
X5
X6
V83
V81
X1
V38
V84
X11
X10
V86
X3
V5
X9
X2
V22
S9
V82
V25
V85
X4
V87
V68
X8
Max. 8 RWA switches
in line
19 18 17 16 15 14 13 1
Leave termination
resistors in row last
Remove termination
resistors in all row
predecessors
Remove
termination
resistors in all row
predecessors
X
Install termination resistors with 22 kΩ each in unused detector lines.
19 18 17 16 15 14 13 1
X
Connect the cable shield to terminal 1 (GND).