Assignment Of The Feedback Interface - Siemens SIMATIC S7-1500 System Manual

Configuring
7.9 Configuration of digital inputs/outputs (X142)
Offset from Parameter
start address
Byte 37 SEL (DI2, DI3)
Byte 38 SEL (DI4, DI5)
Byte 39 SEL (DI6, DI7)
Byte 40, 41 STW
7.9.10

Assignment of the feedback interface

Feedback interface
The user program receives current values and status information from the X142 interface
technology I/Os over the feedback interface.
The following table shows the feedback interface assignment:
Table 7- 8 Assignment of the feedback interface
Offset from Parameter
start address
Byte 0 STS_DI (DI0 to DI7)
Byte 1 to 3 Reserved
Byte 4 to 7 TEC_IN (DI0)
Byte 8 to 11 TEC_IN_EXT (DI0)
Byte 12 to 15 TEC_IN (DI1)
Byte 16 to 19 TEC_IN_EXT (DI1)
Byte 20 to 23 TEC_IN (DI2)
Byte 24 to 27 TEC_IN_EXT (DI2)
Byte 28 to 31 TEC_IN (DI3)
Byte 32 to 35 TEC_IN_EXT (DI3)
Byte 36 to 39 TEC_IN (DI4)
Byte 40 to 43 TEC_IN_EXT (DI4)
Byte 44 to 47 TEC_IN (DI5)
132
Meaning
See byte 36
MSL Bit 12 to 15: Sign of life counter (master sign of life)
--- Bit 1 to 11: Reserved; bits must be set to 0
SYN Bit 0: Synchronization of X142 interface with the user program
Meaning
State DI (DI0 to DI7)
Must not be used
Timer DI:
Byte 0, 1: 2nd TIME/OFF TIME (second input time stamp)
Byte 2, 3: 1st TIME/ON TIME (first input time stamp)
Oversampling DI:
Byte 0 to 3: Oversampling value
Event/period duration
measurement
See byte 4 to 11
Event measurement:
Byte 0, 1: Reserved
Byte 2, 3: Counter value
Time period measurement:
Byte 0 to 3: Measured time period
SIMATIC Drive Controller
System Manual, 11/2019, A5E46600094-AA