WAGO I/O-SYSTEM 750 Manual page 54

54 • I/O Modules
Special Modules
Parameter
A0 ... A7
TGL_MS
PRM_RW
MORE_PRM
TGL_SM
TIMEOUT
BUF_OVF
PRM_ERR
RES
Value Description
range
0 ...255 Word address of the parameter to be read/written.
FALSE, Toggle bit to release new instructions from the application to
TRUE the module. If TGL_SM and TGL_MS have the same status,
no new instruction has been released yet. If the flags have
different statuses, a new instruction has been released and is
currently being processed.
FALSE Parameter data of A7...A0 are read
TRUE Parameter data are written to A7...A0
FALSE End of parameter transmission
TRUE More parameter data to follow
FALSE, Toggle bit indicating that a parameter sent by the module has
TRUE been transferred. If TGL_SM and TGL_MS have different
statuses, the corresponding instruction is processed by the
module. If both flags have the same status, the instruction for
the parameter that was sent or requested is completed.
FALSE The transmission of the parameters has been completed
within the stipulated time (parameter address 0).
TRUE The maximum time for the transmission of the parameters
between I/O module and application was exceeded.
FALSE Access to the write or read buffer of the module was ap-
proved.
TRUE Parameters outside the write or read buffer have been ac-
cessed.
FALSE The parameter/all parameters previously transmitted are
valid.
TRUE At least one transmitted parameter was defective. The flag
can either be set after each parameter that is received or after
the transmission of the parameters is completed.
FALSE Reserved for expansions
WAGO-I/O-SYSTEM 750
I/O Modules