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Schneider Electric MTN644792 User Manual
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The binary input REG-K/8x24 is used to connect eight
conventional 24 V devices (e.g. door and window
contacts) to the bus system.
The binary input has a bus coupler. It is installed on a
DIN rail acc. to EN 60715, with the bus connection
made via a bus connecting terminal. A data rail is not
required.
For your safety
HAZARD OF ELECTRIC SHOCK, EXPLOSION, OR
ARC FLASH
Safe electrical installation must be carried out only by
skilled professionals. Skilled professionals must prove
profound knowledge in the following areas:
• Connecting to installation networks
• Connecting several electrical devices
• Laying electric cables
• Connecting and establishing KNX networks
• Safety standards, local wiring rules and regulations
Failure to follow these instructions will result in
death or serious injury.
The device may be damaged!
• The internal device connection of the potentials is not
suitable for carrying load currents.
• Only operate the device according to the specifica-
tions stated in the Technical data.
• All the devices that are installed next to the binary in-
put must be equipped with basic insulation at the very
least.
Failure to follow these instruction can result in
equipment damage.
Binary input introduction
ACover of the bus connecting terminal
BProgramming button/programming LED
COperational LED
DChannel status LEDs
1Set the binary input onto the DIN rail.
2Connect KNX.
¼
WARNING
Risk of fatal injury from electrical current.
The device could be damaged.
Safety clearance must be guaranteed in
accordance with IEC 60664-1. There must be at
least 4 mm between the individual cores of the
230 V supply cable and the KNX line.
½CAUTION
The device could be damaged.
High voltages can cause damage. Never connect
devices with more than 24 V.
Operating and display elements
Installing the binary input
RUN
E 8E 7
E 6
E 5
E 4E 3E 2
E 1
C
D
B
A
E1 0 V 0 V E2 E3 0 V 0 V E4
E5 0 V 0 V E6 E7 0 V 0 V E8
2
1
3
5 mm
12
34
230 V
4 mm
KNX
3Connect the input cables.
|The 0 V conductors must be connected to the
device. Inputs E1 to E4 have a common potential
(4 x 0 V, top row) and inputs E5 to E8 have a
common potential (4 x 0 V, bottom row).
1Press the programming button.
The programming LED lights up.
2Load the physical address and the application into
the device from the ETS.
The operating LED lights up: The application was loaded
successfully, the device is ready for operation.
Schneider Electric Industries SAS
35 rue Joseph Monier
Rueil Malmaison 92500
France
If you have technical questions, please contact the Cus-
tomer Care Centre in your country.
se.com/contact
Putting the binary input into operation
Te c h n i c a l d a t a
Power supply from
bus: DC 24 V / max.18 mA
Insulation voltage: AC 4 kV bus/inputs
Inputs
Nominal voltage: AC/DC 24 V
0 signal: < 5 V
1 signal: > 11 V
Nominal current: DC approx. 15 mA (30 V),
AC approx. 6mA (27V)
Permitted cable
length: max. 100 m/channel
Ambient temperature
Operation: -5 °C to +45 °C
Storage: -25 °C to +55 °C
Transport: -25 °C to +70 °C
Max. humidity: 93 % relative humidity, no
moisture condensation
Environment: The device is designed for use
at a height of up to 2000 m
above sea level (MSL).
Connections
Inputs, outputs: Screw terminals
Single-core: 1.5 mm2 to 2.5 mm2
Finely stranded
(with core end sleeve): 1.5 mm2 to 2.5 mm2
Bus: Bus connecting terminal
Dimensions
Height x width x
depth: 90 x 72 x 65 mm
Device width: 4 modules
Schneider Electric -Contact
KNX
+ -
E1
0V
0V
E2
E3
0V
0V
E4
24V 0V
E5
0V
0V
E6
E7
0V
0V
E8
Schneider Electric Limited
Telford, TF3 3 BL, UK
UK Representative
Stafford Park 5
SpaceLogic KNX Binary input REG-K/8x24
Operating instructions
Art. no. MTN644792
en
RUN
E 8E 7
E 6
E 5
E 4E 3E 2
E 1
V6447-562-01 11/21