D
EN
13
Installation of the M-Bus communication
module
The M-Bus communication module is to be installed in
slot 1 (see figure in the section „Calculator interfaces“).
1
Remove the seal from the calculator housing and
open the lid.
2
Slide the plug carefully onto the board.
3
Place the board over the left hand fixation stud and
position it at the left hand locating stud as far as the
stop:
4
Screw the board down tight with 2 cross slot screws:
Fastening screws
Installation of function modules
The function modules (pulse input or pulse output) are to
be installed in slot 2 (see figure in the section „Calculator
interfaces“). If no M-Bus module is used, the pulse input
module can also be installed in slot 1.
1
Slide the plug carefully onto the board.
2
Place the board over the right hand fixation stud and
position it at the right hand locating stud as far as
the stop.
Pulse input module
Pulse output module
3
Screw the board down tight with 1 cross slot screw.
4
Close the lid and check the meter for correct opera-
tion by pressing the pushbutton.
5
Renew the label seal of the housing lid if the meter
functions correctly.
