Instruction Manual

RS485 bus gateway. Bidirektional. Bidi-
rectional. Only 0.3 watt standby loss.
Modular device for DIN-EN 60715 TH35 rail
mounting. 1 module = 18mm wide, 58mm
deep.
Connection to the Eltako-RS485 bus. Bus
cross wiring and power supply with jump-
er. Operation in conjunction with FAM14 or
FTS14KS.
The Hold terminal is connected to the FAM14
or the FTS14KS.
Up to 16 sensors, e.g. BUTH55ED/12V DC,
BBH55E/12V DC, BTR55EH/12V DC and BT-
F55E/12V DC can be connected to the RSA/
RSB terminals. Data transmission and pow-
er supply takes place over the 4-wire bus
with a 12V DC power supply unit. Standard
telephone wire is su cient as connecting
lead: (J-Y (ST) Y 2x2x0,8mm
2
) or equivalent.
The permitted maximum line length is
1000m. The second 120Ω terminal resistor
must also be connected to the RSA/RSB ter-
minals of the remotest sensor.
With up to 8 BGW14 devices, the data of up
to 128 sensors can be fed to the RS485 bus.
The operating mode rotary switch BA of each
BGW14 device must be set to a different
position.
Bus output ID at Pos. 1 = 0x1900+sensor
address
Bus-Gateway
BGW14
GB
Temperature at mounting location:
-20°C up to +50°C.
Storage temperature: -25°C up to +70°C.
Relative humidity:
annual average value <75%.
30 014 046 - 3
Only skilled electricians may install this
electrical equipment otherwise there is
the risk of  re or electric shock!
valid for devices from production week
06/23 (see bottom side of housing)
Bus output ID at Pos. 2 = 0x1920+sensor
address
Bus output ID at Pos. 3 = 0x1940+sensor
address
..
Bus output ID at Pos. 8 = 0x19E0+sensor
address
The BGW14 queries all connected sensors
cyclically and the sensors reply with a data
telegram. The data is compared with the
previous data and the data is only output to
the RS485 bus if there is a change. If data is
recurring, the connected sensors output
status telegrams cyclically every 5 minutes.
The green LED lights up continuously when
a connection to the FAM14 or FTS14KS is set
up with PCT14 and lights up brie y when da-
ta is output to the RS485 bus.
If a default setpoint is sent to a connected
BUTH by wireless, e.g. from a Smart Home
controller, the BGW14 must receive a device
address from the FAM14.
The transmitting wireless ID can be entered
in the PCT14 Version 8.1 and higher for every
BUTH connected in the BGW14.
From version 8.11, in the new con guration
area, the time and date can be transferred
from the PC to all connected BUTH.
Issue device address for the BGW14:
Turn the upper rotary switch on the FAM14
to Pos. 1. The lower LED lights up red.
Turn the rotary switch of the BGW14 to Pos.
10. The green LED on the BGW14  ickers
slowly.
After the address is issued by the FAM14, its
lower LED lights up green for 5 seconds and
the LED on the BGW14 goes out.
Clear all wireless IDs:
Turn the rotary switch to right stop and
back 5 times within 10 seconds (turn clock-
wise). The green LED lights up for 10 seconds
and goes out. All wireless IDs are cleared.
Clear all wireless IDs and the device ad-
dress in the BGW14:
Turn the rotary switch to right stop and
back 8 times within 10 seconds (turn clock-
wise). The green LED lights up for 10 sec-
onds and goes out.
All wireless IDs and the device address in
the BGW14 are cleared.
Typical connection
* alternatively FTS14KS without
bidirectional wireless
The second terminating resistor supplied
with the FAM14 or FTS14KS must be plugged
into the last RS485-bus user. Use the PCT14
PC tool to make additional actuator setting
options for conventional push buttons. Up to
16 sensors BUTH55ED, BBH55E, BTR55EH
and BTF55E can be connected to the BUS
gateway. A single 4-wire line supplies the
bus sensors with power and also transfers
the data. The user may select any topology
for the 4-wire connection.
For star-shaped wiring where the BGW14 is
in the neutral point, the terminating resistor
must be removed from the RS terminals. The
two terminating resistors must then be con-
nected to the last device of the two longest
lines.
Must be kept for later use!
We recommend the housing for
operating instructions GBA14.
Eltako GmbH
D-70736 Fellbach
Technical Support English:
[phone]
[e-mail]
eltako.com
06/2023 Subject to change without notice.
Manuals and documents in further
languages
http://eltako.com/redirect/BGW14
1. App 2. 3.
www.