OSRAM DIM MCU User Manual

DIM MCU

Manual control unit
Fitting instructions

Description

A

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.

The potentiometer is mounted in ush 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

↓

–

+

L

C

The potentiometer is made up of the following components:

• Rotary potentiometer (A)

• Connections (C)

– Control lines (+, –)

– Dimmed + switched phase (↓)

– Phase (L)

– Trimmer (B)

• Housing with rotary knob (D)

D

Installation

Safety instructions

The potentiometer must only be installed and put into operation
by a qualied 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 de-

energised.

CAUTION!

Destruction of the potentiometer and other devices
through incorrect mounting!

• The potentiometer is designed for mounting in
ush 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 : [phone] - 200
(kostenpichtig / charges apply)
Fax.: [phone] - 202

www.osram.com

www.osram.de

40503003474246

4050300347424

Continued on the back page!

Installation (cont.)

71

71

54

51

33

4

Connecting the potentiometer

E Connection diagram for up to 10 single-lamp or 5 two-lamp

E

N
L

ECGs

F Connection diagram for up to 50 dimmable ECGs

G Dimmable ECG

H Connect max. 10 single-lamp or 5 two-lamp ECGs

I Connect max. 50 dimmable ECGs

K Relay or contactor

_

+

DIM MCU

N
L

_
+

N
L

_
+

N
L

_
+

_

NL

+

1
2

G

3
4

1
2

G

3
4

1
2

G

3
4

H

F

N

3

L

2

L
L

1

K

N

L

_

+

DIM MCU

L1L2L

N
L

_
+

N
L

_
+

N
L

_
+

_

N

3

+

}

1
2

G

3
4

1
2

G

3
4

1
2

G

3
4

I

Appendix

Technical data

Operating voltage 230 V AC, 50-60 Hz

Switching output load

capacity

Control output load
capacity

Permissible line cross
section

Permissible ambient
temperature

Max. 6 A resistive load
(10 single-lamp ECGs or
5 two-lamp ECGs)

Max. 40 mA (max. 50 OSRAM

1...10V ECGs or 16 DIM SA

signal ampliers)

Max. 1.5 mm²

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

Conformity with the relevant EU directives is
conrmed by the CE symbol.