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Communication
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9.2
CL module
With the CL module it is possible to read out the meter by wire e.g. on the
doorstep through a point-to-point connection.
Display in LCD
CL (Current Loop)
Classification
acc. to EN 62056-21 Mode B
Type
passive current loop
Baud rate
2400 Baud, fix
Isolation
galvanic
Polarity
yes
Voltage
30 V max.
Current
30 mA max.
Voltage drop
< 2 V at 20 mA
Interface description
TKB 3436
9.3
M-Bus module G4
The M-Bus module enables the meter to communicate with an M-Bus center
in order to transmit measured values.
Standard
EN 1434-3; EN 13757-2, -3
Protocol
EN 60870-5
Electrical isolation
from the meter
yes
from the pulse inputs
no
Connection
Strip-back length
5 mm
Connection capacity
rigid or flexible
0.25 ... 0.75 mm²
flexible with wire end ferrule
0.25 ... 0.75 mm²
Polarity
any
Voltage
50 V DC maximal
Current consumption
1 M-Bus load (1.5 mA)
Addressing
primary or secondary
Baud rate
300, 1200, 2400, 4800 or 9600 baud
Interface description
see TKB3448