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Carlo Gavazzi
Carlo Gavazzi

DMB51CM24 Datasheet

(DMB51 Series) Timers Multifunction


DMB51CM24 Datasheet Preview


Timers
Multifunction
Type DMB51
• Selectable timerange 0.1 s to 100 h
• 7 knob selectable functions:
Op - delay on operate
In - interval
Io - interval on trigger open
Id - double interval
Dr - delay on release
R - symmetrical recycler ON first
Rb - symmetrical recycler OFF first
• Automatic or manual start
• Repeatability: 0.2%
• Output: 8 A SPDT relay
• For mounting on DIN-rail in accordance with DIN/EN 50 022
• 17.5 mm DIN-rail housing
• Combined AC and DC power supply
• LED indication for relay status and power supply ON
Product Description
Ordering Key
Multi-voltage timer with 7
knob-selectable functions
and 7 knob-selectable time
ranges within 0.1s and 100h.
For mounting on DIN-rail.
17.5 mm wide housing suit-
able both for back and front
panel mounting.
Housing
Function
Type
Item number
Output
Power supply
DMB 51 C M24
Type Selection
Mounting
Output
DIN-rail
SPDT
Housing
Mini-D
Supply: 24 VDC and 24 to 240 VAC
DMB51CM24
Time Specifications
Time ranges
Knob selectable
Setting accuracy
Repeatability
Time variation
Within rated power supply
Within ambient temperature
Reset
Manual reset of time and/or
relay
Pulse duration
Power supply interruption
0.1 to 1 s
1 to 10 s
6 to 60 s
60 to 600 s
0.1 to 1 h
1 to 10 h
10 to 100 h
5%
0.2%
0.05%/V
0.2%/°C
Close the trigger contact
between pins A1 and Y1
100 ms
200 ms
Output Specifications
Output
Rated insulation voltage
Contact Ratings (AgSnO2)
Resistive loads
AC 1
DC 12
Small inductive loads AC 15
DC 13
Mechanical life
Electrical life
Operating frequency
Dielectric strength
Dielectric voltage
Rated impulse withstand
voltage
SPDT relay
250 VAC (rms)
µ
8 A @ 250 VAC
5 A @ 24 VDC
2.5 A @ 250 VAC
2.5 A @ 24 VDC
30 x 106 operations
105 operations
(at 8 A, 250 V, cos ϕ = 1)
< 7200 operations/h
2 kVAC (rms)
2.5 kV (1.2/50 µs)
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Specifications are subject to change without notice (06.11.00)
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1
Page 1

DMB51
Supply Specifications
General Specifications
Power supply
Rated operational voltage
through terminals:
A1, A2
Voltage interruption
Rated operational power
Overvoltage cat. II
(IEC 60664, IEC 60038)
24 VDC ± 15% and
24 to 240 VAC + 10% -15%,
45 to 65 Hz
10 ms
1.5 W
Time Setting
Upper knob:
Setting of function:
Op - delay on operate
In - interval
Io - interval on trigger open
Id - double interval
Dr - delay on release
R - symmetrical recycler
(ON first)
Rb - symmetrical recycler
(OFF first)
Centre knob:
Time setting on relative scale:
10 to 110% on full scale
Lower knob:
Setting of time range
Power ON delay
Indication for
Power supply status
Output status
Environment
Degree of protection
Pollution degree
Operating temperature
Storage temperature
Weight
Screw terminals
Tightening torque
Approval
EMC
Immunity
Emission
100 ms
LED, green
LED, yellow
(flashing when timing)
(EN 60529)
IP 20
2 (IEC 60664)
-20° to +60°C, R.H. < 95%
-30° to +80°C, R.H. < 95%
75 g
Max. 0.5 Nm according to
IEC 60947
UL
Electromagnetic Compatibillity
According to EN 50082-2
According to EN 50082-1
Mode of Operation
Function Op
Delay on operate
The time period begins as
soon as the trigger contact
is closed.
At the end of the set delay
time the relay operates and
does not release until the
trigger contact is closed
again or the power supply is
disconnected. If the trigger
contact is closed before the
end of the delay time, the
device resets and a new
time period starts.
Function In
Interval
The relay operates and the
time period begins as soon
as the trigger contact is
closed. The relay releases at
the end of this period or
when the power supply is
disconnected. The relay
operates again when the
trigger contact is closed
again. If the trigger contact
is closed before the end of
the delay time, the device
resets and a new time period
starts.
Function Io
Interval on trigger open
The relay operates and the
time period begins as soon
as the trigger contact is
opened. At the end of the
set delay or when the power
supply is disconnected the
relay releases. The relay
operates again when the
trigger contact is opened
again. If the trigger contact
is opened before the end of
the delay time the relay
keeps ON and a new time
period begins.
Function Id
Double interval
The relay operates and the
time period begins as soon
as the trigger contact is
closed. The relay releases at
the end of this period or
when the power supply is
disconnected. When the
trigger contact is opened
the relay operates again for
the set delay period. If the
trigger contact is opened
before the end of the first
time period the second one
begins; if the trigger contact
is closed before the end of
the second time period the
device resets and the first
time period begins again.
Function Dr
Delay on release
The relay operates as soon
as the trigger contact is
closed. The time period
begins when the trigger con-
tact is opened. The relay
releases at the end of the
set delay time or when the
power supply is disconnect-
ed. The relay operates again
when the input contact is
closed again. If it is opened
before the end of the delay
time the relay keeps ON, a
new time period begins as
soon as the contact is
closed again.
Function R
Symmetrical recycler, ON-
time period first
The relay operates and the
time period begins as soon
as the input contact is
closed. After the set delay
period the relay releases for
the same time period. This
sequence continues with
equal ON- and OFF-time
periods until the power sup-
ply is interrupted.
Function Rb
Symmetrical
recycler,
OFF-time period first
The time period begins as
soon as the input contact is
closed. The relay is OFF
during the set delay period,
after this time it operates for
the same time period. This
sequence continues with
equal OFF- and ON-time
periods until the power sup-
ply is interrupted.
Additional Load
It's possible to wire an addi-
tional load (i.e. a relay)
between pins Y1 and A2,
driven by the trigger contact
without damaging the
device.
Yellow LED working mode
Timing: Slow blinking
Relay ON: See operation
diagrams
Incorrect knobs position:
Fast blinking
2 Specifications are subject to change without notice (06.11.00)
Page 2

DMB51
Wiring Diagram
DMB51
Operating Diagrams
Specifications are subject to change without notice (06.11.00)
3
Page 3
Part Number DMB51CM24
Manufactur Carlo Gavazzi
Description (DMB51 Series) Timers Multifunction
Total Page 3 Pages
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DMB51CM24 datasheet
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