Description Purpose and application
Description
Purpose and application
The DIM MCU electronic potentiometer (manual control unit)
controls up to 50 dimmable electronic control gears and enables
the manual brightness control of luminaires.
DIM MCU
The potentiometer is mounted in flush device boxes.
Function
The potentiometer converts rotations of and pressure on the
rotary knob into 1...10V voltage signals, which are transmitted
to the dimmable electronic control gears.
Design
B
The potentiometer is made up of the following components:
• Rotary potentiometer (A)
• Connections (C)
A
–– Control lines (+, –)
–– Dimmed + switched phase (↓)
–– Phase (L)
–– Trimmer (B)
• Housing with rotary knob (D)
↓
Manual control unit
Fitting instructions
+
–
L
C
D
Installation
Safety instructions
The potentiometer must only be installed and put into operation
by a qualified electrician. The applicable safety regulations and
accident prevention regulations must be observed.
WARNING!
Exposed, live cables.
Danger of electric shock!
• Only work on the potentiometer when it is deenergised.
CAUTION!
Destruction of the potentiometer and other devices
through incorrect mounting!
• The potentiometer is designed for mounting in
flush device boxes. If mounted elsewhere, provideadequate cable strain relief and insulation.
• Do not wire the control line with an external voltage, especially not a mains voltage of 230 V.
• Do not exceed the maximum number of ECGs.
IV 2009
DIM_MCU_ma0904en_we1.01.indd
OSRAM GmbH
Kunden Service Center
Customer-Service-Center (CSC)
Steinerne Furt 62
86167 Augsburg
Germany
Tel : +49 (0) 1803 677 - 200
(kostenpflichtig / charges apply)
Fax.: +49 (0) 1803 677 - 202
www.osram.com
www.osram.de
40503003474246
4050300347424
Continued on the back page!
Connecting the potentiometer
Installation (cont.)
EConnection diagram for up to 10 single-lamp or 5 two-lamp
ECGs
E
FConnection diagram for up to 50 dimmable ECGs
N
L
_ +
DIM MCU
L N
N
L
_
+
G
1
2
3
4
N
L
_
+
G
1
2
3
4
N
L
_
+
G
1
2
3
4
N
L
_
+
G
1
2
3
4
N
L
_
+
G
1
2
3
4
N
L
_
+
G
1
2
3
4
G Dimmable ECG
HConnect max. 10 single-lamp or 5 two-lamp ECGs
IConnect max. 50 dimmable ECGs
K Relay or contactor
_ +
H
F
N
L3
L2
L1
N
L
K
_ +
DIM MCU
_ +
}
L1 L2 L3 N
I
Appendix
Technical data
Operating voltage
230 V AC, 50-60 Hz
Switching output load
capacity
Max. 6 A resistive load
(10 single-lamp ECGs or
5 two-lamp ECGs)
Control output load
capacity
Max. 40 mA (max. 50 OSRAM
1...10V ECGs or 16 DIM SA
signal amplifiers)
Permissible line cross
section
Max. 1.5 mm²
Permissible ambient
temperature
0 °C ... 50 °C
Protection type
IP 20
Protection class
II
Dimensions
Flush-mounted part (Ø x H):
54 x 33 mm
Mounting plate (L x W):
71 x 71 mm
Dimensions
51
4
33
71
54
71
Conformity with the relevant EU directives is
confirmed by the CE symbol.
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