User Manual

20
Smart Infrastructure
CE2N5372en
2021-04-
06
Function data
● Mounting length 130 mm
Δp
Flow rate at Δp = 1 bar, Kv,
m
3
/h
2.2
1)
/ 1.5
2)
4.1
1)
/ 3.9
2)
6.8
1)
/ 5.6
2)
Mounting position Any
1)
Plastic flow measuring section
2)
Brass flow measuring section
Communication
Optical interface
● Basic design
● Protocol
Similar to EN 62056-21
Per EN 13757-2 / -3
M-bus wired interface Option
● Voltage V
max
. 50 V
● Power consumption 1 M-bus load
● Address Primary or secondary
● Baud rate 300 or 2400 baud
● Max. permissible reading frequency 1x per minute
● Protocol As per EN 13757-2/-3, EN 1434-3
● Connection cable length and cross sec-
tion
1.5 m, 2x AWG24/0.2 mm
2
M-bus RF interface Option
● Transmission frequency 868.95 MHz (868.90 … 869.00 MHz)
● Transmitter power
Min. 3.16 mW (5 dBm) to max. 25 mW (13.9
dBm)
● Power supply Max. 3 AA batteries
● Send heartbeat
– Mobile data acquisition
– Stationary data acquisition
– User defined telegrams
20…34 s
15 minutes
12…900 s (depending on telegram length)
Protocol Per EN 13757-4
Cable length, control cable 1.5 m