Beckhoff KS2535, KL2545 Manual page 50

Access from the user program
Input Data (answer of the Bus Terminal)
Byte 0: Status byte
0x9F (1001 1111 )
bin
Explanation:
• The terminal returns a value as a receipt in the status byte that differs only in bit 0.6 from the value of
the control byte.
• The input data word (byte 1 and byte 2) is of no importance after the write access. Any values still
displayed are invalid!
50
Byte 1: DataIN1, high byte
0xXX
Version: 2.1.0
Byte 2: DataIN1, low byte
0xXX
KL2535/KS2535, KL2545/KS2545