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inadequacies. Elvaco AB takes no responsibility for damages, liabilities or other losses by using this product. No part of the contents of this
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CMa20 Quick manual A4 English
Document id: 1090027
Version: 4.0
Mechanics
Protection class
IP65
Dimensions
110x100x52 mm
Weight
140 g
Connection M-Bus
Screw terminal 1.5 mm²
Mounting
Wall mounted
Electrical
Power supply
21-42 VDC through M-Bus connection,
independent of the wiring polarity
Power consumption
1.5 mA M-Bus 1T
Environmental
Operating temperature
range
-40 °C to +55 °C
Storage temperature range
-40 °C to +85 °C
Sensor accuracy
Temperature 10 to 30 °C
+/- 0.2 °C
Humidity 10 to 90 % RH
+/- 2 % RH
M-Bus
M-Bus standard
EN 13757
M-Bus baud rate
300, 2400 Bit/s
M-Bus commands
SND_UD, SND_NKE, REQ_UD2
Addressing modes
Secondary, primary
Approvals
EMC
EN 61000-6-2, EN 61000-6-3
Factory defaults
M-Bus baud rate
2400 Bit/s
M-Bus primary address
0
M-Bus secondary address
Serial number
Product
Part number
Description
CMa20
1050025
M-Bus communicating
temperature and humidity sensor
for outdoor use.
orderIng InformAtIon
contAct InformAtIon
elvaco AB technical support:
Phone: +46 300 434300
E-mail: support @elvaco.com
Online: www.elvaco.com
technIcAl sPecIfIcAtIons
Products:
CMeX12s,
Products:
Products:
Products:
This
declaration
of
Elv
Product
CMeX10
CMeX11
CMeX10S
CMeX11S
CMeX12S
CMeX13S
The
object(s)
of
the
decla
LVD
Directive
EMC
Directive
RoHS
2011/65
And
are
in
conformity
wit
IEC
61010
‐
1
(e
EN55022
(Rad
EN
61000
‐
4
‐
6
EN
61000
‐
4
‐
3
EN
61000
‐
4
‐
11
EN
61000
‐
4
‐
4
EN
61000
‐
4
‐
5
EN
61000
‐
4
‐
2
Kungsbacka,
Sweden,
201
David
Vonasek,
CEO
This
declaration
of
Elv
Product
CMa10
CMa11
CMa20
The
object(s)
of
the
decla
EMC
Directive
RoHS
2011/65
And
are
in
conformity
wit
EN55022
(Rad
EN
61000
‐
4
‐
6
EN
61000
‐
4
‐
3
EN
61000
‐
4
‐
2
Kungsbacka,
Sweden,
201
David
Vonasek,
CEO
This
declaration
of
Elv
Product
CMa10w
CMa11w
CMa12w
CMa20w
The
object(s)
of
the
decla
EMC
Directive
Radio
Equipm
RoHS
2011/65
And
are
in
conformity
wit
EN55022
(Rad
EN
61000
‐
4
‐
6
EN
61000
‐
4
‐
3
EN
61000
‐
4
‐
11
EN
61000
‐
4
‐
4
EN
61000
‐
4
‐
5
EN
61000
‐
4
‐
2
EN
300
220
‐
1
Kungsbacka,
Sweden,
201
David
Vonasek,
CEO
This
declaration
of
Elv
Product
CMe3100
The
object(s)
of
the
decla
LVD
Directive
EMC
Directive
RoHS
2011/65
And
are
in
conformity
wit
IEC
60950
‐
1
EN55022
(Rad
EN
61000
‐
4
‐
6
EN
61000
‐
4
‐
3
EN
61000
‐
4
‐
11
EN
61000
‐
4
‐
4
EN
61000
‐
4
‐
5
EN
61000
‐
4
‐
2
Kungsbacka,
Sweden,
201
David
Vonasek,
CEO
CMeX10,
CM
,
CMeX13s
CMa10,
CMa
CMa10w,
CM
CMe3100
EU
DECLARATION
OF
C
f
conformity
is
issued
under
the
s
vaco
AB,
Teknikgatan
18,
S
‐
434
37
Year
of
CE
‐
marking
2016
2016
2016
2016
2016
2016
aration
listed
above
is
in
conformity
with
the
2014/35/EU
e
2014/30/EU
5/EU
th
the
following
harmonization
standards
or
ed.3)
diated
emission)
(Immunity
to
HF
‐
injection)
(Immunity
to
RF
‐
field)
1
(Immunity
to
voltage
variation)
(Immunity
to
burst)
(Immunity
to
surge)
(Immunity
to
ESD)
16
‐
04
‐
16
EU
DECLARATION
OF
C
f
conformity
is
issued
under
the
s
vaco
AB,
Teknikgatan
18,
S
‐
434
37
Year
of
CE
‐
marking
2016
2016
2016
aration
listed
above
is
in
conformity
with
the
e
2014/30/EU
5/EU
th
the
following
harmonization
standards
or
diated
emission)
(Immunity
to
HF
‐
injection)
(Immunity
to
RF
‐
field)
(Immunity
to
ESD)
16
‐
04
‐
16
EU
DECLARATION
OF
C
f
conformity
is
issued
under
the
s
vaco
AB,
Teknikgatan
18,
S
‐
434
37
Year
of
CE
‐
marking
2016
2016
2016
2016
aration
listed
above
is
in
conformity
with
the
e
2014/30/EU
ment
Directive
2014/53/EU
5/EU
th
the
following
harmonization
standards
or
diated
emission)
(Immunity
to
HF
‐
injection)
(Immunity
to
RF
‐
field)
1
(Immunity
to
voltage
variation)
(Immunity
to
burst)
(Immunity
to
surge)
(Immunity
to
ESD)
(SRD
Low
power
radio
equipment
)
16
‐
04
‐
16
EU
DECLARATION
OF
C
f
conformity
is
issued
under
the
s
vaco
AB,
Teknikgatan
18,
S
‐
434
37
Year
of
CE
‐
marking
2016
aration
listed
above
is
in
conformity
with
the
2014/35/EU
e
2014/30/EU
5/EU
th
the
following
harmonization
standards
or
diated
emission)
(Immunity
to
HF
‐
injection)
(Immunity
to
RF
‐
field)
1
(Immunity
to
voltage
variation)
(Immunity
to
burst)
(Immunity
to
surge)
(Immunity
to
ESD)
16
‐
04
‐
16
eX11,
CMeX1
11,
CMa20
Ma11w,
CMa12
CONFORMITY
sole
responsibility
of
the
manufac
7
Kungsbacka,
Sweden.
e
relevant
Community
harmonization
legislat
r
other
normative
documents:
CONFORMITY
sole
responsibility
of
the
manufac
7
Kungsbacka,
Sweden.
e
relevant
Community
harmonization
legislat
r
other
normative
documents:
CONFORMITY
sole
responsibility
of
the
manufac
7
Kungsbacka,
Sweden.
e
relevant
Community
harmonization
legislat
r
other
normative
documents:
CONFORMITY
sole
responsibility
of
the
manufac
7
Kungsbacka,
Sweden.
e
relevant
Community
harmonization
legislat
r
other
normative
documents:
0s,
CMeX11s,
2w,CMa20w
cturer:
tion:
cturer:
tion:
cturer:
tion:
cturer:
tion:
P
P
P
P
Products:
CMe
Products:
CMe
Products:
CMe
Products:
CMe
EU
DECL
This
declaration
of
conformity
Elvaco
AB,
Tek
Product
Year
of
CMe3000
2016
The
object(s)
of
the
declaration
listed
abo
LVD
Directive
2014/35/EU
EMC
Directive
2014/30/EU
RoHS
2011/65/EU
And
are
in
conformity
with
the
following
EN55022
(Radiated
emission)
EN
61000
‐
4
‐
6
(Immunity
to
HF
EN
61000
‐
4
‐
3
(Immunity
to
RF
EN
61000
‐
4
‐
11
(Immunity
to
v
EN
61000
‐
4
‐
4
(Immunity
to
bu
EN
61000
‐
4
‐
5
(Immunity
to
su
EN
61000
‐
4
‐
2
(Immunity
to
ES
Kungsbacka,
Sweden,
2016
‐
04
‐
16
David
Vonasek,
CEO
EU
DECL
This
declaration
of
conformity
Elvaco
AB,
Tek
Product
Year
of
CMe2100
2016
The
object(s)
of
the
declaration
listed
abo
LVD
Directive
2014/35/EU
EMC
Directive
2014/30/EU
Radio
Equipment
Directive
20
RoHS
2011/65/EU
And
are
in
conformity
with
the
following
IEC
61010
‐
1
(ed.3)
EN55022
(Radiated
emission)
EN
61000
‐
4
‐
6
(Immunity
to
HF
EN
61000
‐
4
‐
3
(Immunity
to
RF
EN
61000
‐
4
‐
11
(Immunity
to
v
EN
61000
‐
4
‐
4
(Immunity
to
bu
EN
61000
‐
4
‐
5
(Immunity
to
su
EN
61000
‐
4
‐
2
(Immunity
to
ES
EN
300
220
‐
1
(SRD
Low
power
EN
300220
‐
2
EN
3010511:v.9.0.2
(Gemalto)
Kungsbacka,
Sweden,
2016
‐
04
‐
16
David Vonasek, CEO
EU
DECL
This
declaration
of
conformity
Elvaco
AB,
Tek
Product
Year
of
CMeX40
2016
The
object(s)
of
the
declaration
listed
abo
LVD
Directive
2014/35/EU
EMC
Directive
2014/30/EU
RoHS
2011/65/EU
And
are
in
conformity
with
the
following
IEC
61010
‐
1
(ed.3)
EN55022
(Radiated
emission)
EN
61000
‐
4
‐
6
(Immunity
to
HF
EN
61000
‐
4
‐
3
(Immunity
to
RF
EN
61000
‐
4
‐
4
(Immunity
to
bu
EN
61000
‐
4
‐
5
(Immunity
to
su
EN
61000
‐
4
‐
2
(Immunity
to
ES
Kungsbacka,
Sweden,
2016
‐
04
‐
16
David
Vonasek,
CEO
EU
DECL
This
declaration
of
conformity
Elvaco
AB,
Tek
Product
Year
of
CMeX20
2016
The
object(s)
of
the
declaration
listed
abo
EMC
Directive
2014/30/EU
RoHS
2011/65/EU
And
are
in
conformity
with
the
following
EN55022
(Radiated
emission)
EN
61000
‐
4
‐
6
(Immunity
to
HF
EN
61000
‐
4
‐
3
(Immunity
to
RF
EN
61000
‐
4
‐
2
(Immunity
to
ES
Kungsbacka,
Sweden,
2016
‐
04
‐
16
David
Vonasek,
CEO
e3000
e2100
eX40
eX20
LARATION
OF
CONFOR
y
is
issued
under
the
sole
responsi
knikgatan
18,
S
‐
434
37
Kungsbacka
f
CE
‐
marking
ove
is
in
conformity
with
the
relevant
Comm
harmonization
standards
or
other
normative
F
‐
injection)
F
‐
field)
voltage
variation)
urst)
urge)
SD)
LARATION
OF
CONFOR
y
is
issued
under
the
sole
responsi
knikgatan
18,
S
‐
434
37
Kungsbacka
f
CE
‐
marking
ove
is
in
conformity
with
the
relevant
Comm
014/53/EU
harmonization
standards
or
other
normative
F
‐
injection)
F
‐
field)
voltage
variation)
urst)
urge)
SD)
r
radio
equipment)
)
LARATION
OF
CONFOR
y
is
issued
under
the
sole
responsi
knikgatan
18,
S
‐
434
37
Kungsbacka
f
CE
‐
marking
ove
is
in
conformity
with
the
relevant
Comm
harmonization
standards
or
other
normative
F
‐
injection)
F
‐
field)
urst)
urge)
SD)
LARATION
OF
CONFOR
y
is
issued
under
the
sole
responsi
knikgatan
18,
S
‐
434
37
Kungsbacka
f
CE
‐
marking
ove
is
in
conformity
with
the
relevant
Comm
harmonization
standards
or
other
normative
F
‐
injection)
F
‐
field)
SD)
RMITY
ibility
of
the
manufacturer:
a,
Sweden.
unity
harmonization
legislation:
e
documents:
RMITY
ibility
of
the
manufacturer:
a,
Sweden.
unity
harmonization
legislation:
e
documents:
RMITY
ibility
of
the
manufacturer:
a,
Sweden.
unity
harmonization
legislation:
e
documents:
RMITY
ibility
of
the
manufacturer:
a,
Sweden.
unity
harmonization
legislation:
e
documents:
Elvaco AB, Kabelgatan 2T, S-43437 Kungsbacka, Sweden
