merten 683729 Manuel utilisateur
As at 09/02 1
Chapter 1: System components
1. 1 Power supplies
Power supply 2x320 REG-K
Art. no. 683729
Power supply 2x320 REG-KChapter 1:System componentsArt. no.683729As at 09/021.1Power supplies
1. Fu n c t i o n 1
2. Installation 1
3. Technical Data 2
4. Settings in the EIB Tool Software (ETS) 3
The power supply 2x320 REG-K makes the energy
available for the bus devices on two lines. The device
has two integrated chokes which isolate the data tele-
grams from the power supply. The bus voltage can be
picked up via a bus connecting terminal. A data rail is
not required. The power supply (PS) provides a stabi-
lised safety extra-low voltage (SELV) of DC 29 V ± 1 V.
The max. output current is 320 mA per line.
If the bus devices are evenly distributed on the line, it
is possible to operate up to 64 bus devices on one line.
The max. cable length between the power supply and
the furthest bus device is 350 m.
Two slide switches are located under the hinged cover
next to the bus connecting terminals. In the "RESET"
position, the connected bus devices for each line are
reset. This state is indicated by a red LED (RESET) on
the device.
|The disconnection of a line (RESET) should be
retained for at least 30 seconds.
The bus votlage is connected by setting the slide
switches to the "ON" position. The green LED (RUN) in-
dicates that the power supply is ready for operation.
If the output current is too high, the red overcurrent
LEDs (I>Imax) light up or flash. In the event of a short cir-
cuit between the red and black conductors of the bus
cable, the green LEDs (RUN) are extinguished or flash.
|Once the short circuit has been rectified, the
power supply must be switched to the "RESET"
state for approx. 5 seconds.
Meaning of the LEDs
The INSTABUS power supply is mounted on a DIN rail
EN 50022-35. A data rail is not required. The bus con-
nection is carried out via the bus connecting terminal
supplied with the device. The cable cover is then
placed over the bus connecting terminal to guarantee
the safety clearance of the bus cable to the 230 V ca-
bles. A maximum of 4 core pairs can be connected to
Power supply 2x320 REG-K
Colour
light grey
Article no.
683729
Table of Contents
1. Function
RUN I>Imax RESET State
green off red Slide switch in OFF or RESET
position
green off off Normal mains operation with
I<Imax
green red off Mains operation with I>Imax,
the bus voltage is maintained
flashes
green
flash-
es red
off Mains operation with I>>Imax,
the bus voltage has failed or
there is a short circuit
off off off Short circuit during mains op-
eration
2. Installation
As at 09/02 2
Chapter 1: System components
1. 1 Power supplies
Power supply 2x320 REG-K
Art. no. 683729
a bus connecting terminal. All the devices that are
mounted next to the power supply must at least be
equipped with basic insulation.
Connection of the power supply REG-K
Spannungsversorgung
2x320 REG-K 6837 29
AC 230V 50Hz
L N
2x320 mA
50 Hz
230V 29V=
- 5 ... 45˚C
instabus
EIB
®
RESETON I>Imax.
RUN
RESETON I>Imax.
RUN
L N PE
3. Technical Data
Mains input
Input voltage: AC 230 V +6%/-10%, 50 Hz
Output voltage: 2 x DC 29 V ± 1 V, SELV
Residual ripple: < 50 m Vss
Output current: 2 x DC 320 mA, short-cir-
cuit-proof
Ambient temperature
Operation: -5 °C to +45 °C
Storage: -25 °C to +55 °C
Transport: -25 °C to +70 °C
Environment: The device is designed for
use at a height up to 2000
m above sea level
Max. humidity: 93 %, no moisture conden-
sation
Connections
Mains and PE: Plug-in terminal with screw
connection for max. 0.5-
2.5 mm
Bus: 2 plugs for bus connecting
terminals
Display elements: 2 green LEDs for error-free
operation (RUN)
2 red LEDs for short circuit
on the line or excessive de-
vice load (l>lmax).
2 red LEDs for monitoring
purposes when the voltage
is interrupted by pressing
the slide switches (RESET)
Operating elements: 2 slide switches behind the
hinged cover for interrupt-
ing the voltage and for re-
setting the bus devices
connected to the line
EC guidelines: corresponds to low voltage
guideline 73/23/EEC,
corresponds to EMC guide-
line 89/336/EEC
Type of protection: IP 20
Dimensions: 90x126x65 mm (HxWxD)
Device width: 7 modules = approx.
126 mm
As at 09/02 3
Chapter 1: System components
1. 1 Power supplies
Power supply 2x320 REG-K
Art. no. 683729
Connection example
Selection in the product database
APower supply 2x320 REG-K
Bblack
Cred
DBus e. g. line 2
4. Settings in the EIB Tool Software (ETS)
Manufacturer: Merten
Product family: 1.1 System devices
Product type: 1.1.01 Power supply
Media type: Twisted Pair
Product name: Power supply 2x320 REG-K
Order number: 683729
L
+ -
Bus
N
LNPE
+ -
D
C
B
A
C
B
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