Name: sysMbMRtuNodeStatus
Type: ARRAY[0..127] OF MBMNODESTATUS
Address:
%MB2001.0
Description:
System Modbus Master RTU communication status. It is a structure of type MBMNODESTATUS composed
by the following fields:
com_hdlr : BYTE; Communication handler
addr_1 : USINT; Network address part 1
addr_2 : USINT; Network address part 2
addr_3 : USINT; Network address part 3
addr_4 : USINT; Network address part 4
cfg : BOOL; Configurated
pres : BOOL; Present
miss : BOOL; Slave failure
missCnt: UINT; Number of Task Timed cycles with Slave failure
state : UINT;Slave failure error code
state could have the following meanings:
(valid only if miss is TRUE, never set to 0 )
0 = No errors
1 = Tx data failed
2 = Rx time out (at starting )
3 = System error
4 = Rx time out (frame not ended)