7.1
Connection E740 / 24 V Syncro
General connection (further drives analogue)
E740/24 V DC Syn.
1
RX TX
Connection to emergency power supply units E260N:
E740/24 V DC Syn.
1
RX TX
Terminal strip
E260N
1
1
2
2
3
3
4
4
5
5
6
6
7
7
Vent switch
(at OPEN)
The connecting cables must not be extended!
In the case of 24 V DC and a longer power supply
cable, the cable must have a sufficiently large
cross-section in order to prevent a voltage drop.
Calculate the cross-section!
(See cable plan for SHEV central control units)
E740/24 V DC Syn.
RX TX
1
2-pole selector switch
–
24 V DC SELV
+
E740/24 V DC Syn.
RX TX
1
3
3
1
1
2
2
Motor group
–
+
Monitoring
Isolate
Conductor "3"
respectively
E740/24 V DC Syn.
1
RX TX
For line control only connect
Conductor "3" to the last motor;
insulate the other Conductors "3".
E740/24 V DC Syn.
RX TX
1