Read Coil Status Example - Response; Read Coil Status Example - Data Field - Siemens SIMATIC TI500 User Manual

TIWAY I Gateway User Manual
Response: 07 01 01 1A XXXX
Figure C-4 Read Coil Status Example — Response
The response returns in the data field a single byte (1A) which contains the
1's or 0's for the 5 coils, packed out with zeros for the three high bits.
1A =
Figure C-5 Read Coil Status Example — Data Field
0 0 0 1 1 0 1 0
Checksum (XXXX)
Data (1A)
Number of bytes (01)
Function code (01)
Slave address (07)
Coil 0A (OFF)
Coil 0B (ON)
Coil 0C (OFF)
Coil 0D (ON)
Coil 0E (ON)
Packed with zeros (000)
Modbus Commands
I000000
I000000
C-7