Title: +038=310.101-RF022T_06-multical 62 Vannmåler Kamstrup - Installasjons- og brukerveiledning.pdf
MULTICAL® 62 • Water meter5.1.2 M-Bus, type 67-00-20/27/28/29M-Bus can be mounted in star, ring or bus topology. Up to 250 meters can be connected depending on the M-Bus Master’s power supply and the total cable resistance.Cable resistance< 29 OhmCable capacity< 180 nFThe M-Bus network is connected on terminals 24 and 25. The polarity is unimportant. M-Bus comes with pulse inputs.5.1.3 Radio + pulse inputs, type 67-00-21/25/26/29The radio module is used for wireless communicationvia licence-free radio frequency and can be supplied with internal antenna or with connection for external antenna.For further information on radio we refer to Technical description for radio (5512-012 DK, 5512-013 GB).The pulse inputs of this module are identical with the previously described pulse inputs.Note: Type 67-00-21 includes radio and router functions.The RadioRouter module must be used with mains supply.5.1.4 Prog. data logger + RTC + 4…20 mA inputs + pulse inputs, type 67-00-22