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Maximum cable lengths – EUCHNER CES-I-AR-U-C04 (Unicode) User Manual

Page 11

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Operating Instructions Safety Switch CES-I-AR-U-C04

11

Maximum cable lengths

Switch chains are permitted up to a maximum overall cable length of 200 m taking

into account the voltage drop as a result of the cable resistance (see table below

with example data and case example).

n

Max. number of

switches

I

out

(mA)

Possible output current per channel

FO1A/FO1B

l

1

(m)

Max. cable length from

last switch to control system

with conductor cross-section

0.14 mm²

0.34 mm²

5

10

70

140

25

50

110

50

35

80

100

25

50

200

13

25

6

10

60

120

25

50

90

50

35

70

100

20

50

200

13

25

10

10

35

70

25

30

60

50

25

50

100

15

35

200

10

20

Important!

The cables between the Y-distributors must have a conductor cross-section of
0.34 mm².

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

5 x 0,34 mm

2

oder

5 x 0,14 mm

2

5 x 0,34 mm

2

CES-I-AR # n

CES-I-AR # n-1

CES-I-AR # 1

i

out