Communication between multicode reader O2I1xx and Siemens Simatic S7
10
Setting parameters on function block FB50
3.4
Indicate ID and LADDR as set up in Net-Pro�
►
(Are forwarded to the communication function blocks�)
The parameter RECV_BUF must be declared as absolute, because with
some controller types the width of access may not be transmitted correctly
in case of symbolic declaration�
Description function block FB50
3.5
The function block establishes the telegrams to be sent to the multicode reader
and creates a character string from the received data flow�
The "trigger" input sends a trigger command to the multicode reader with each
positive edge� In addition the receive buffer is deleted�
The "change_group" input sends a change group command to the multicode
reader with each positive edge� The selection is indicated at the "group_nr" and
"conf_nr" inputs� In addition the receive buffer is deleted�
The "read_conf" and "read_stat" inputs send the corresponding status query to the
multicode reader with each positive edge� In addition the receive buffer is deleted�