Siemens LME7 Series - Connection Diagram for Load Controller; Actuators; Function

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Building Technologies Basic Documentation LME7... CC1P7105en
11 Multistage or modulating mode with actuator 17.04.2018
11.1.2 Connection diagram for load controller
Β
Note!
The connection diagram shown is merely an example which must be verified in the
individual case depending on the application!
PME7
X65
0-135
7105d40/1210
0-135
X65
0
-
1
0
V
0
-
2
0
m
A
4
-
2
0
m
A
LR
Figure 16: Connection diagram for load controller
11.2 Actuators
The LME7 has terminals for the connection of electromotoric actuators for the control of
air dampers and regulating dampers of oil and gas burners.
Possible types of actuator:
Type
Data
Sheet
Operating mode ¹)
stage / modulating
via 3-position step
input terminal
X5-03
Operating mode ¹)
modulating via
analog input
signal terminal
X65
Potentiometer
ASZxx.3x
SQN3 N7808
●
●
●
SQN7 N7804
●
●
●
SQM2 N7812
●
●
●
SQM40
SQM41
N7817 ● ● ●
SQM5 N7815
●
●
●
¹) Depending on the program sequence of LME7 or in the PME7
11.3 Function
The internal program cycle time of the LME7 is about 0.147 s (≡ 0.15 s). In each
program sequence, each input is read and the outputs are switched on or off
accordingly.