
Simatic/TI 505 Serial Driver Help
Register Description CP525 CP545 CP565 CTI 2500
STW00001 Non-Fatal Errors.
Bit 4, 1 = Password has been entered.
Bit 5, 1 = Password has been entered and
disabled.
Bit 6, 1 = User program error.*
Bit 7, 1 = Subroutine stack overflow.
Bit 8, 1 = Time of day clock failure.
Bit 10 = Special function module communication
error.
Bit 11, 1 = Previous RLL instruction failed.
Bit 12, 1 = I/O module failure or I/O module
configuration mismatch.
Bit 13, 1 = Communication port failure.
Bit 14, 1 = Scan overrun.
Bit 15, 1 = Battery low.
x x x x
STW00002 Base Control Status. Each bit reflects the status of
a single base.
0 = Status is good.
1 = Base is not present or has a problem.
Bit 1, Base 15
Bit 2, Base 14
Bit 3, Base 13
Bit 4, Base 12
Bit 5, Base 11
Bit 6, Base 10
Bit 7, Base 9
Bit 8, Base 8
Bit 9, Base 7
Bit 10, Base 6
Bit 11, Base 5
Bit 12, Base 4
Bit 13, Base 3
Bit 14, Base 2
Bit 15, Base 1
Bit 16, Base 0
x x x x
STW00003-00009 Profibus DP Slave Status.
Each bit is 0 if a slave is present, or 1 if the slave
is missing or failed.
STW03 Bit 1-16 slave addresses 16-1.
STW04 Bit 1-16 slave addresses 32-17.
STW05 Bit 1-16 slave addresses 48-33.
STW06 Bit 1-16 slave addresses 64-49.
STW07 Bit 1-16 slave addresses 80-65.
STW08 Bit 1-16 slave addresses 96-81.
STW09 Bit 1-16 slave addresses 112-97.
x x x x
STW00010 Contains the value of the previous dynamic scan
time.
x x x x
STW00011 Indicates the status of the modules in the Local
Base (Base 0). Each bit indicates a module in a
slot.
0 = Good.
1 = Module not present or failed.
Bit 1 - 16 = Module 16 - 1.
x x x x
STW00012-00026 Status bits for modules in Bases 1 - 15, STW012
= Base 1…
Bit range is the same as for STW011.
x x x x
STW00027-00138 This range of Status Words apply to the Profibus x x x x
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