10
10
7. Plug-in modules
MULTICAL® 41 can be retrofitted with a number of extra functions
by means of plug-in modules. Below is a brief description of the
individual modules.
7.1 Data/pulse inputs
The data terminals are e.g. used
to connect a PC or a MULTITERM
hand-held terminal via an external
reading plug, which is connected
as shown below.
65 - 66
67 - 68
Input A
Input B
f < 0.5 Hz
f < 0.5 Hz
62
63
64
Brown
White
Green
The signal is passive and and galvanically separated through
optocouplers. Conversion to RS232 level requires connection
of data cable 66-99-106 with above connections.
Pulse inputs to be used for e.g. connecting an extra water meter.
Please note the max. pulse frequency and correct pulse coding
(l/pulse), which are selected by means of the FF and GG
configuration.