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5

A rmly attached cable is included: external wir-

ing must be done by oneself.

M-Bus (optional)

The optional M-Bus interface complies with the

norm 1434-3 and operates with 2400 baud xed.

The two conductors can be connected in any or-

der to the M-Bus network.

Technical data I/O

Load max. max. 30V DC/20 mA

I/O 1, 2, 3

Open Drain, n-channel FET

Cable D = 3,8 mm, 4-core

Pulse-duty factor 1:1 (out); 1:5 (in)

Cable length 1,5 m

Input frequency

max. 1 Hz

colour

connection signiﬁcation

brown M-Bus 1 M-Bus-Line 1

white M-Bus 2 M-Bus-Line 2

H

1max

= 30mm

L*

H

2

= 25mm

6153

* see page 2

1 2 3 4 5 6 7 8 9 10 11 12

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