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IP Gateway KNX/BACnet N143
B2
B1
figure 3: Mounting and unmounting a DIN rail
mounted device
Slipping off bus connection blocks (Figure 4)
The bus connection block (D2) consists of two
components (D2.1 and D2.2) with four terminal
contacts each. Take care not to damage the two
test sockets (D2.3) by accidentally connecting
them to the bus cable or with the screw-driver
(e.g. when attempting to unplug the bus connec-
tion block).
Carefully put the screw-driver to the wire-insert-
ing slit of the bus connection block's grey compo-
nent and pull the bus connection block (D2) from
the device (D1).
Slipping on bus connection blocks (Figure 4)
Slip the bus connection block onto the guide slot
and
press the bus connection block (D2) down to the
stop.
Connecting bus cables (Figure 4)
The bus connection block (D2) can be used with
single core conductors Ø 0.6 ... 0.8 mm.
Remove approx. 5 mm of insulation from the con-
ductor (D2.4) and plug it into the bus connection
block (D2) (red = +, black = -).
Siemens Schweiz AG
Smart Infrastructure
Global Headquarters
Theilerstrasse 1a
CH 6300 Zug
C2
C1
C3
A6V10466141 RS-AC
Siemens AG 2022
Subject to change
Technical Product Information
Disconnecting bus cables (Figure 4)
Unplug the bus connection block (D1) and re-
move the bus cable conductor (D2.4) while simul-
taneously wiggling it.
figure 4: Connecting and disconnecting bus wires
Slipping off / on auxiliary power connection block
Follow the instructions for the bus connection
block when slipping off/on the auxiliary power
connection block.
GAMMA instabus
June 2022
5WG1143-1AB01
D2
D2.3
D2.1 D2.2
D2.4
D2
5 mm
D2
D2.4
11 / 12
Update
http://www.siemens.com/gamma-td
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