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Velleman VMB3PS Owner's manual

  • Hello! I've reviewed the document for the Power Supply Module VMB3PS. This manual provides instructions for connecting the power module to various transformer configurations and notes its safety features including three 12VDC output with 1A limit, LED indicators for voltage and short-circuit protection. I am ready to answer your questions about it.
  • What is the maximum current per output?
    What is the required input voltage?
    Can I connect a 1 x 12V transformer to more than one power module?
Velbus manual VMB3PS– edition 1 – rev.1.0
1
VMB3PS
Power Supply Module
for VELBUS system
Velbus manual VMB3PS– edition 1 – rev.1.0
2
INDEX
Features ......................................................................................................................................... 3
Connection .................................................................................................................................... 4
Transformer with 2 x 6V secondary voltage ............................................................................ 4
Transformer with 2 x 6V secondary voltage and centre tap .................................................... 4
Transformer with 1 x 12V secondary voltage .......................................................................... 5
Transformer with 2 x 12V secondary voltage .......................................................................... 5
Transformer with 2 x 12V secondary voltage and centre tap .................................................. 6
USE................................................................................................................................................. 7
Use of a common transformer with 2 x 12V secondary voltage on different power modules .. 7
Use of a common transformer with 2 x 12V secondary voltage and centre tap on different
power modules........................................................................................................................ 8
Velbus manual VMB3PS– edition 1 – rev.1.0
3
Features:
◊ Three 12VDC/1A outputs for powering VELBUS modules.
◊ Short-circuit safe
◊ LED indicators for input voltage and the 3 output voltages.
◊ Connectable to transformer with 1 x 12V or 2 x 12V secondary voltages.
◊ Required input tension: 12VAC/3A
◊ Standard DIN-rail housing (2 modules)
◊ Dimensions (L x W x H): 90 x 36 x 58mm.
◊ Weight : 80g
Velbus manual VMB3PS– edition 1 – rev.1.0
4
CONNECTION
The power module is equipped with three 12VDC outputs, each delivering 1A. Connect the 12V voltage outputs of
the power module to the 12V power inputs of the preceding modules (mind the polarity). Note that the total
consumption of the connected modules on one DC output may not exceed 1A. Make sure to use an appropriate
wire gauge (1mm2 or more) with very long connections. Connect a 12V transformer delivering min. 3A to the
power module input. Refer to one of the following connection diagram depending on the transformer:
Transformer with 2 x 6V secondary voltage :
LH
BUS
VMB...
+
12V
-
VMB3PS
+
12V
--
12V
+12V
-+
ABCDEF
1A max.
12V/1A max.
+
-
12V/1A max.
+
-
Prim.
6V Sec.
Circuit breaker
AC Power
NL
To power loads
NL
6V Sec.
Transformer with 2 x 6V secondary voltage and centre tap:
LH
BUS
VMB...
+
12V
-
VMB3PS
+
12V
--
12V
+12V
-+
ABCDEF
1A max.
12V/1A max.
+
-
12V/1A max.
+
-
Prim.
6V Sec.
Circuit breaker
AC Power
NL
To power loads
NL
6V Sec.
Velbus manual VMB3PS– edition 1 – rev.1.0
5
Transformer with 1 x 12V secondary voltage:
LH
BUS
VMB...
+
12V
-
VMB3PS
+
12V
--
12V
+12V
-+
ABCDEF
1A max.
12V/1A max.
+
-
12V/1A max.
+
-
Prim.
12V Sec.
Circuit breaker
AC Power
NL
To power loads
NL
Transformer with 2 x 12V secondary voltage:
LH
BUS
VMB...
+
12V
-
VMB3PS
+
12V
--
12V
+12V
-+
ABCDEF
1A max.
12V/1A max.
+
-
12V/1A max.
+
-
Prim.
12V Sec.Circuit breaker
AC Power
NL
To power loads
NL
12V Sec.
Velbus manual VMB3PS– edition 1 – rev.1.0
6
Transformer with 2 x 12Vsecondary voltage and centre tap:
LH
BUS
VMB...
+
12V
-
VMB3PS
+
12V
--
12V
+12V
-+
ABCDEF
1A max.
12V/1A max.
+
-
12V/1A max.
+
-
Prim.
12V Sec.Circuit breaker
AC Power
NL
To power loads
NL
12V Sec.
Velbus manual VMB3PS– edition 1 – rev.1.0
7
USE
Use of a common transformer with 2 x 12V secondary voltage on different power modules:
+
12V/1A max.
-
+
12V/1A max.
+
-
VMB3PS
-
12V
+
1A max.
+
12V12V
-+- 12V
-H
BUS
L
VMB...
ABFDCE
AC Power
NL
To power loads
Circuit breaker
N
Prim.
12V Sec.
L
+
12V/1A max.
12V/1A max.
-
+
-
1A max.
+
VMB3PS
-
12V
+
AB
12V
+
12V
-+- 12V
-
FCDE
BUS
HL
VMB...
12V Sec.
Velbus manual VMB3PS– edition 1 – rev.1.0
8
Use of a common transformer with 2 x 12V secondary voltages and centre tap on different power
modules:
+
12V/1A max.
-
+
12V/1A max.
+
-
VMB3PS
-
12V
+
1A max.
+
12V12V
-+-12V
-H
BUS
L
VMB...
ABFDCE
AC Power
NL
To power loads
Circuit breaker
N
Prim.
12V Sec.
L
+
12V/1A max.
12V/1A max.
-
+
-
1A max.
+
VMB3PS
-
12V
+
AB
12V
+
12V
-+-12V
-
FCDE
BUS
HL
VMB...
12V Sec.
Remark:
Do not connect a transformer with 1 x 12V secondary voltage to more than one power module!
When using a common transformer, make sure it can deliver the total current!
Connect the negative output of each power module to one another when using several power modules.
Velbus manual VMB3PS– edition 1 – rev.1.0
9
VMB...
+
12V
-
VMB3PS
+
12V
--
12V+12V
-+
ABCDEF
1A max.
12V/1A max.
+
-
12V/1A max.
+
-
Prim.
12V
Circuit breaker
AC Power
NL
To power loads
NL
12V
12VCircuit breaker
AC Power
NL
Prim.
+
12V/1A max.
-
+
12V/1A max.
+
-
VMB3PS
-
12V
+
1A max.
+
12V
12V
-+- 12V
-
VMB...
To power loads
N L
ABFDCE
AC
Power
NL
To power loads
Circuit breaker
N
Prim.
12V
L
+
12V/1A max.
12V/1A max.
-
+
-
1A max.
+
VMB3PS
-
12V+
AB
12V
+
12V
-+-12V
-
FCDE
VMB...
12V
Velbus manual VMB3PS– edition 1 – rev.1.0
10
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