Basic Documentation

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Siem ens GMA..1 actuators with spring return CM2Z4614en
Building Technologies 2018-01-11
9.4.2 Special switchings for modulating control
The following connections enable different operating states of the actuator depending
on the position of the changeover switch featuring switch contacts K1, K2, K3
(see table of operating states below).
AC 24 V (SELV/PELV)
DC 24…48 V (SELV/PELV)
4614A01
(Y)
N
S2 S3 S5 S6
S1 S4
Y
(G0)
1 8
2 9
SP
AC 24 V
P
(G)
GMA16..1
K1 K3
D
SN
4614A02
(Y)
N
S2 S3 S5 S6
S1 S4
Y
(G0)
1 8
2 9
SP
DC 24...48 V
P
(G)
GMA16..1
K1 K3
SN
N Controller
Y Actuator GMA16..1
P Position indication
SP System potential AC 24 V
SN System neutral
D Diode (e.g. R4000)
K1...K3 Switch contacts (10 V / 0.1 mA)
N Controller
Y Actuator GMA16..1
P Position indication
SP System potential DC 24…48 V
SN System neutral
K1...K3 Switch contacts (10 V / 0.1 mA)
K3
K2
K1
4614T01en
Operating state
Rotary direction
Fully closed
Fully open *)
Control operation
Switch
contacts
Mounting position for
actuator GMA16..1
*) Actuators with adjustable characteristic function: Full opening cannot be reached
(dependent on Uo, ΧU) in this position (switch contact K2).
Modulating control,
fully open, fully locked
with
GMA16..1
Operating states of
GMA16..1
Note
GMA163.1, 164.1