Zennio KNX ZRX-KCI4S0, Technical Documentation, Page: 2 / 2

© Zennio Avance y Tecnología S.L. Edition 6 Further information www.zennio.com Page 2/2
SAFETY INSTRUCTIONS AND ADDITIONAL NOTES
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Installation should only be performed by qualified professionals according to the laws and regulations applicable in each country.
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Do not connect the mains voltage nor any other external voltage to any point of the KNX bus; it would represent a risk for th e entire
KNX system. The facility must have enough insulation between the mains (or auxiliary) voltage and the KNX bus or the wires of other
accessories, in case of being installed.
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Once the device is installed (in the panel or box), it must not be accessible from outside.
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Keep the device away from water (condensation over the device included) and do not cover it with clothes, paper or any other material
while in use.
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The WEEE logo means that this device contains electronic parts and it must be properly disposed of by following the instructi ons at
https://www.zennio.com/en/legal/weee-regulation.
INPUTS SPECIFICATIONS AND CONNECTIONS
CONCEPT DESCRIPTION
Number of S0 or dry
inputs 4
Inputs per common 2
Operation voltage 6 VDC
Connection method Screw terminal block (0.4 Nm max.)
Cable cross-section 0.5-2.5 mm² (IEC) / 26-12 AWG
(UL)
Maximum cable length 30 m
Minimum pulse duration 30 ms
WIRING DIAGRAMS
Figure 2: Example of connections with SO pulse generators
Attaching KCI 4 S0 to DIN rail:
Removing KCI 4 S0 from DIN rail:
BATTERIES REPLACEMENT
1. Extract the battery holder from the upper side of KCI. It is recommended to have the bus KNX connected during this
process to prevent S0 pulses loss.
2. Place the batteries in the battery holder (respecting the polarity shown) and insert it as indicated in the figure.
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Figure 3: Mounting KCI 4 S0 on DIN rail