Dil Switch Settings - Tynetec Advent xt Installation Manual

26. NETWORK DATA REPEATER INSTALLATION
INSTALLATION
The Network Data Repeater is housed in a wall mounted ABS enclosure; 85 x 170 x 35 mm (HxWxD).
TERMINATION
The 24V & 0V power connection can be taken from the Advent xt network.
Cut the Advent xt network data wires (TX+/TX‐) at a point before the signal begins to fail.
Connect TX+/TX‐ FROM the Advent xt controller into the RS485 IN terminals
Connect the remaining Advent xt network data wires TX+/TX‐ into the RS485 OUT terminals.
LINK SETTINGS
LK1‐LK4 will normally be fitted in position "A". Only move if advised by Tynetec Technical Support.
Link No.
LK1
LK2
LK3
LK4

DIL SWITCH SETTINGS

SW1 allows a different end of line (EOL) resistance to be set on the RS485 IN terminals depending on the number of
network legs connected to the Advent xt controller.
DIL SW1
1
2
3
4
SW2 allows a different end of line (EOL) resistance to be set on the RS485 OUT terminals. This is normally left open circuit.
Only move if advised by Tynetec Technical Support.
DIL SW2
1
2
3
4
Doc No. FM0410 issue M‐1 Page 40
The Network Data Repeater (P/No. ZXT340) can be connected
into the Advent xt RS485 network to boost the data signal
on cable runs over 1200 metres.

POWER IN

RS485 DATA IN

RS485 DATA OUT
Function Link Position "A"
RS485 IN +
RS485 IN ‐
RS485 OUT +
RS485 OUT ‐
Function
RS485 IN EOL 1 Leg
RS485 IN EOL 2 Legs
RS485 IN EOL 3 Legs
RS485 IN EOL 4 Legs
Function
RS485 OUT EOL 1 Leg
RS485 OUT EOL 2 Legs
RS485 OUT EOL 3 Legs
RS485 OUT EOL 4 Legs
Link Position "B"
1K2 pull‐up
1K2 pull‐down
1K2 pull‐up
1K2 pull‐down
DIL Switch OFF
open circuit
open circuit
open circuit
open circuit
DIL Switch OFF
open circuit
open circuit
open circuit
open circuit
open circuit
open circuit
open circuit
open circuit
DIL Switch ON
120 ohm
270 ohm
390 ohm
680 ohm
DIL Switch ON
120 ohm
270 ohm
390 ohm
680 ohm