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I
N S T A L L A T I O N
Se
tup
17
Safety Edge Controllers Manual 99640-0010 Rev.P
Original Instructions
7.2.2
C
ONNECTING
S
EVERAL
S
AFETY
E
DGE
WARNING! Safety Edges Input MUST NOT be switched in parallel.
The Safety Edge input X1, X2 can be used to connect one or several Safety
Edges. To do so, the individual Safety Edges are switched in series.
Safety Edge is suitable for connecting a maximum of 5 (total resistance
11.5K Ohm max. including terminal register 8.5K Ohm). Before
connecting them, the resistance value of the series connected the Safety
Edges must be measured.
X1
X2
2
Safety Edge 1
2
2
Safety Edge 2
Safety Edge 3
2
Figure 7-1 Connecting Several Safety Edges
7.3. S
ETUP
Only qualified persons should install safety contacts.
7.3.1
P
REPARING
A
LUMINUM
R
AIL
Drill 1/8 in. countersunk holes in the aluminum rail every 12 in. for
mounting.
Figure 7-2 Aluminum Rail
7.3.2
M
OUNTING
THE
A
LUMINUM
R
AIL
Attach the aluminum-mounting rail to an even surface. The aluminum rail
should be mounted only with rivets or countersunk screws.
Figure 7-3 Mounting Aluminum Rail