Manual BG41/BG42/BG43 Interface modules
Rev. 99/49 3-81
3.2.10.12 Installation of an interface building block
A 20mA module (SSM-MD25 or SSM-MD26) is required for operating an interface building block
(from firmware 4118V12 on). The module must be separately ordered.
From firmware 4118V12 and by selecting the DCF77 function, the following transmission
parameters are automatically set, as long as jumper J11 is plugged into position “75 to 19200“
(FB5 is not required).
4800 baud, 8 bit/character, 1 stop bit, even parity
The operation of an interface module will be described below step by step:
•= Connect the 20mA module to the interface building block
•= Jumper J11 on the interface building block in position 75...19200Baud
•= Plug the 24V supply for the front socket onto the building block. The adjustment of the
jumper depends on the type of PLC used.
•= Connect the antenna module with the interface building block and switch the PLC on.
Both LEDs on the interface building block light up and consequently indicate the voltage
supply.
= After a short build-up time, both LEDs light up on the antenna module.
•= Adjust code 7 with PROCW (FB100) under PROC.
•= Align the antenna module, as shown in Fig. 3-60.
•= With the clock (FB 102), the interface building block’s internal clock can be read.
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