18 Kamstrup A/S • 5512603_C1_GB_03.2016
MULTICAL® 801
8.4 M-Bus, type 67-00-20/67-00-27/67-00-29/67-0V/67-0P/67-0Q
M-Bus cn be mounted in str, ring or bus topology. Depending on the power
supply of the M-Bus Mster s well s the totl cble resistnce, up to 250
meters cn be connected.
Cble resistnce < 29 Ohm
Cble cpcity < 180 nF
The M-Bus network is to be
connected to terminls 24 nd 25.
The polrity is unimportnt. M-Bus
is supplied with pulse inputs (t
module 1 only which is locted
nerest the terminls).
Input A Input B
65 66 67 68
25 24
M-BUS
A
(+)
(-)
(+)
B
(-)
680K
680K
11K2
11K2
11K2
11K2
0.1 µ
0.1 µ
8.5 Radio + pulse inputs,
type 67-00-21/67-0W
The rdio module is used for
wireless communiction vi
license-free rdio frequency nd
is vilble for internl or externl
ntenn.
For further informtion on rdio
plese refer to
Technical Descripon
for Radio (5512-013)
.
The pulse inputs in this module re
identicl with the ones described
erlier.
A
(+)
(-)
(+)
B
(-)
65 66 67 68
In-A In-B
11K2
11K2
11K2
11K2
680K
680K
0.1 µ
0.1 µ