21
2110788-13-03/20 (Translation of the original operating instructions)
Operating Instructions
Transponder-Coded Safety Switch CET.-AR-…
EN
10.5. Maximum cable lengths
Switch chains are permitted up to a maximum overall cable length of 200m taking into account the voltage drop as a result
of the cable resistance (see table below with example data and case example).
SPS
PLC
l
1
l
2
l
max
=200 m
l
n
u
min
= 24 V -10%u
n
= 24 V -20%
5 x 0,34 mm
2
CET-AR # n
CES-AR # n-1CES-AR # 1
i
out
n
Max. number of switches
I
OA/OB
(mA)
Possible output current per channel OA/OB
l
1
(m)
Max. cable length from the last switch to the
control system
5
10 150
25 100
50 80
100 50
200 25
6
10 120
25 90
50 70
100 50
200 25
10
10 70
25 60
50 50
100 40
200 25
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