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Wiring
6.4 Connect 24 V DC power supply
Design of the 24 V DC power supply
You can determine the design of the 24 V DC power supply using the following calculation
formula:
Minimum power =
3 W + (number of POM4320 • 8 W) + (number of POM4320 Highends • 10 W) +
(number of I/O modules • 1 W)
Example:
Supply of an HCS4300 consisting of CIM4310 PROFINET with one I/O module and
6 connected POM4320.
The minimum power rating in accordance with the formula above is 52 W, i.e. the
power pack must be able to supply current of at least 2167 mA.
Connect 24 C DC supply voltage to CIM and EM4315
24 V connection CIM and EM4315
External lightning protector
Note
An external lightning protection element should be connected upstream in the 24 V DC
supply line:
Dehn, Blitzductor BVT Type AD24, No. 918402 or equivalent.
When using other items, you must ensure that the model used is equivalent (consult with
lightning protection manufacturer).
The lightning protection module must be installed and used in accordance with the
manufacturer's specifications.
● The following interference immunity is obtained with a lightning protection component:
– 1.0 kV symmetrical with R
– 2.0 kV asymmetrical with R
● Without lightning protection, the following interference immunity is obtained:
– 0.5 kV symmetrical with R
– 0.5 kV asymmetrical with R
56
Connect the 24 V DV supply voltage to the device as follows:
+
+24 V DC
-
GND
= 2 Ω; assessment criterion B
i
= 12 Ω; assessment criterion B
i
= 2 Ω; assessment criterion B
i
= 12 Ω; assessment criterion B
i
Operating Instructions, 10/2019, A5E35452705A/005
SIPLUS HCS4300 PROFINET/PROFIBUS DP
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