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Installation
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8.3.10
Connection of power supply and emergency power supply
The 24 V supply for LIMAX Safe SG/SC is powered by an external 24 V power supply. To use the door zone
indicator function additionally a 12 V battery has to be connected.
A missing 24 V supply leads to an opening of OC, NOC and SGC.
Figure 14: Connection diagram for power, CAN communication and reset input
Table 6: Wire assignment power supply and battery supply
Pin on S99 Wire colour on PIO cable Function
1
white
0 V / GND power supply
2
brown
24 V power supply
6
red
+12 V BATT, emergency power supply (optional)
7
blue
0 V BATT, emergency power supply (optional)
8.3.11
Connection of the error reset input
The reset input is guided over the travelling cable to the control cabinet. There it is must be connected to the
24 V supply via a normally open (NO) reset button (Figure 7 to Figure 12).
Table 7: Wire assignment reset input
Pin on S99 Wire colour on PIO cable Function
13
brown-green
RESET input
8.3.12
Connection of SGC and SGC-FB
Table 8: Wire assignment of SGC output und SGC-FB input
16
white
SGC-IN, input of SGC
17
brown
SGC-OUT, output of SGC
12
white-green
SGC-FB, feedback contact from the switch served by the block-
ing device of the speed governor or the safety gear (see also
Figure 9 to Figure 12 and Figure 15).
8.3.12.1
LIMAX Safe SG
If the lift has no A3-certified safety brake, the speed governor or safety gear has to be electronically triggered by
LIMAX Safe SG in any case.
Safe Box
+24 V
+12 V Battery
0V / GND
0 V Battery
Power
supply
+24 V
RESET
Reset Button
CAN-H
CAN-L
CAN bus to lift controller
may be connected
externally
+12 V