User Guide

3RT1 contactors/ 3RH1 control relays
SIRIUS System Manual
GWA 4NEB 430 0999-02 DS 01
3-21
Design 3RT1...-.Q with integrated AS-Interface-connection,
with remaining lifetime indication RLT
Control The control voltage Us needs to be applied to the A1/A2 terminals of the
side mounted electronic module. This supplies power for the magnetic coil
and the remaining lifetime indication.
The control of the contactor takes place using the integrated AS-Interface
connection. Inputs and outputs are connected using 2 plug-in connectors;
6-poles for external switching and 4-poles for AS-Interface-connection (The
device comes with the plug-in terminals in Cage Clamp-Technology)
Switching from Auto-
matic-/Manual control
Control of the contactor can be switched from automatic control to manual
control using the input terminals H1/H2/H3. That means the contactor can
be manually controlled at start-up or after power loss due to disruption/mal-
function of the automatic control using AS-Interface.
The entire electronics portion of
the models with remaining life-
time indication RLT is contained
in a side mounted electronic
module. The withdrawable coil
piece only contains the magnetic
coil. The coil is connected to the
side mounted electronic module
by wires with tab connectors in
order to avoid a mix-up with
other coils when changing out
coils.
The cables connected to the line
and load side of the contactor
are used for the remaining life-
time indication RLT detection.
A1/A2 terminals
for supplying the coil
voltage
LED-indicators
• AS-Interface
• Contactor On
• Automatic control
• RLT-Indication
- 60 % (green)
- 40 % (orange)
- 20 % (red)
Reset-button for RLT
Input/output termi-
nals(6-poles)
• Automatic-/Manual
control H1/H2/H3
• not used
• Free input SF1/2
AS-Interface
• Plug for AS-Interface-
cable (4-pole)
• Address jack
RLT
60%
40%
20%
Reset
A1 A2
On
50 - 60 Hz
DC
H1
H2
SF1
+
-.QP3.
200 -277 V
AS-i
H3
SF2
+
AUTO
AS-i
ADDR.
–
–