User Manual

Optical interface
- Design
- Protocol
Similar to EN 62056
-21
As per EN 13757-2 / -3
M
-bus interface
- Voltage V
max
.
- Current draw
- Addressing
- Permissible average reading
frequency
50 V
1
.3 M-bus loads
Prim
ary or secondary
1x
every 3 hours @ 2400 Bd
1x
every 24 hours @300 Bd
as per EN 13757-2/-3
P
ulse output
- Pulse valency
- Pulse duration
- Voltage
- Current
- Classification
- Voltage drop
- Dielectric strength
1 puls
e per kWh or MJ/1 pulse/100 liters
100 ms
Max. 30 V
Max. 30 mA
OB (
as per EN 1434-2)
Approx.
1.3 V at 20 mA
500 V
eff
against ground
as per EN 1434-2
Control cable
1 m
Insulation s
afety class
Degree of protection
according EN 60529
- Processor
- Flow measuring section
III
IP54
IP65 (only for cooling energy meters)
Operation
EN 60721-3-3
Transport
EN 60721-3-2
Storage
EN 60721-3-1
Climatic conditions
Class A
Class A
Class A
Temperature
5…55 °C
-20…60 °C
-20…60 °C
Humidity
<93% r.h.
at 25 °C
(non-con-
densing)
<93% r.h.
at 25 °C
(non-con-
densing)
<93% r.h.
at 25 °C
(non-con-
densing)
Mechanical conditions
Class M1
Class M1
Class M1
Max. altitude
Min. 700 hPa, corresponding to max. 2000 m
above sea level
Product standard
DIN EN 1434-x (heat meters)
EU Conformity (CE)
CE2T5378xx *
)
RCM Conformity
CE2T5372en_C1*
)
The product environmental declaration CE
2E5378en contains data on environmentally
compatible product design and assessments (RoHS com
pliance, materials composition,
packaging, environmental benefit, disposal).
(W x H x D):
- Processor
- Flow measuring section
88 x 112 x 40
mm
110 x 85 x 45 mm (without cable)
Cover
Bottom section
PC
-Marolon 2805
PC GF10
Cover
Bottom section
T
ransparent
RAL 9002
Rated flow q
p
m
3
/h
0.6
1.5
2.5
Meter
packed complete with kg
accessories
1 1 1,5
*) The documents can be downloaded from http://siemens.com/bt/download.
Communication
Cable length
Protection data
Housing protection data
Ambient conditions
Directives and stan-
dards
Environmental
compatibility
Dimensions
Housing material
Housing colors
Weight
12 / 14
Siemens Ultrasonic heat and cooling energy meters 2WR6.. CE2N5378en
Building Technologies 2014-04-04