No. Be: Get_Lpf - Siemens SIMATIC ET 200SP Manual

9.4.28

No. BE: Get_LPF

Meaning
This command reads the list of I/O faults (periphery faults) (LPF) signaled by the AS-i slaves
from the AS-i master. The AS-i master updates the LPF cyclically. Refer to the description of
the AS-i slave to learn whether the slave can detect a fault in the connected I/O, e.g. wire
break, and when it signals the fault.
Structure of the job data in the send buffer
Table 9- 54 Structure of the job data in the send buffer
Byte
0
Structure of the responses in the receive buffer
Table 9- 55 Structure of the responses in the receive buffer
Byte
Bit 7
0 Slave 7(A)
1 Slave 15(A) Slave 14(A) Slave 13(A) Slave 12(A) Slave 11(A) Slave 10(A) Slave 9(A)
2 Slave 23(A) Slave 22(A) Slave 21(A) Slave 20(A) Slave 19(A) Slave 18(A) Slave 17(A) Slave 16(A)
3 Slave 31(A) Slave 30(A) Slave 29(A) Slave 28(A) Slave 27(A) Slave 26(A) Slave 25(A) Slave 24(A)
4 Slave 7B
5 Slave 15B
6 Slave 23B
7 Slave 31B
8 ... 13
The bits have the following meanings in the LPF data:
Bit = 0: The slave signals no I/O fault.
Bit = 1: The slave signals I/O fault.
AS-Interface master CM AS-i Master ST (3RK7137-6SA00-0BC1)
Manual, 07/2017, A5E02655262020A/RS-AD/004
Bit 6 Bit 5
Slave 6(A) Slave 5(A)
Slave 6B Slave 5B
Slave 14B Slave 13B
Slave 22B Slave 21B
Slave 30B Slave 29B
Meaning
Command number: BE
H
Meaning
Bit 4 Bit 3
Slave 4(A) Slave 3(A)
Slave 4B Slave 3B
Slave 12B Slave 11B
Slave 20B Slave 19B
Slave 28B Slave 27B
Reserved
Using the command interface
9.4 Description of the AS-i commands
Bit 2 Bit 1
Slave 2(A) Slave 1(A)
Slave 2B Slave 1B
Slave 10B Slave 9B
Slave 18B Slave 17B
Slave 26B Slave 25B
Bit 0
Reserved
Slave 8(A)
Reserved
Slave 8B
Slave 16B
Slave 24B
147