Zennio ZRX-KCI4SO Guide

Technical Documentation
© Zennio Avance y Tecnología S.L. Edition 1 Further information www.zennio.com Page 1 / 2
KCI
KNX Consumption Interface
ZRX-KCI4SO Technical Documentation
FEATURES
Compliant with UNE-EN 62053-31 Class B.
DIN rail unit assembly (EN 50022), with snap fit clamp.
Size 90 x 60 x 35 mm (2 DIN units).
KNX BCU integrated.
4 channels for consumption counters (meters) with S0-pulse
outputs (UNE-EN 62053-31) *.
Total data saving on KNX bus power failure.
CE directives compliant.
Programming button: short button press to set the programming mode. If this button is
held while plugging the device into the KNX bus, it goes into safe mode.
Programming LED: programming mode indicator (red). When the device goes into safe
mode, it blinks (red) every half second.
LOW batt. LED: if this LED is blinking in red, replace the batteries as soon as possible.
EMPTY batt. LED: if this LED is blinking in red, the batteries are empty.
Figure 1: KNX Consumption Interface
1. Battery holder
2. EMPTY batt.
LED indicator
3. LOW batt.
LED indicator
4. Programming
button
5. Programming
LED
6. Input Indicator
LED
7. Input
connectors
8. KNX
connector
GENERAL SYSTEM SPECIFICATIONS
Concept
Description
Type of device
Electric operation control device
KNX Supply
Voltage
29V DC SELV
Voltage range
21…31V DC
Max consumption
24VDC
15mA
29VDC
12.5mA
Bus connection
Typical bus connector TP1, 0.50 mm² section
Battery (auxiliary power supply)
2 CR2032 battery (2 x 3V). It allows to keep counting pulses without the KNX
bus power supply
Working temperature
from 0ºC to +45ºC
Storage temperature
from -20ºC to +70ºC
Ambient humidity (relative)
30% to 85% RH (no condensation)
Storage humidity (relative)
30% to 85% RH (no condensation)
Complementary characteristics
Class B
Safety class
III
Operation type
Continuous operation
Device action type
Type 1
Electrical solicitations period
Long
Type of protection
IP20, clean environment
Assembly
Independent control assembly device to be mounted inside of electrical panels
with DIN rail (EN 50022)
KNX bus failure response
Data saving
Response when restarting KNX bus
Data recovering and sending according to parameterization when recovering
Operation indication
Programming LED indicates programming mode (red) or safe mode (blinking
red). LOW and EMPTY batt. LED indicate the battery level when blinking in
red (KNX supply necessary). LED input indicator blinks when a pulse is
received.
Weight
90g
PCB CTI index
175 V
Enclosure
PC FR V0 halogen free
1
2
3
4
5
6
7
8
*Other counters (meters) with dry-voltage output or not complying S0 standard may also work (previous test is recommended)

Technical Documentation
© Zennio Avance y Tecnología S.L. Edition 1 Further information www.zennio.com Page 2 / 2
INPUTS: SPECIFICATIONS AND CONNECTIONS
BATTERY REPLACEMENT
SAFETY INSTRUCTIONS
Do not connect Mains Voltage (230 V) or any other external voltages to any point of the BUS. Connecting an external
voltage might put the entire KNX system at risk.
Make sure during the installation that there is always sufficient insulation between the mains voltage 230V and the bus or
the extension inputs.
Once the device is installed, the terminals should not be accessible.
Concept
Description
Number of S0 or dry inputs
4
Minimum pulse length
30ms
Inputs connection
Terminal block (screw)
Inputs per common
2
Recommended cable section
0.25 mm² to 2.5 mm²
Max. cable length
30m
Cable type
Stranded or solid wire
Operating voltage
6VDC
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.
Figure 2: Example of connections with SO pulse generators