Siemens FM 458-1 DP - Page 12

Input/output blocks
1-4 Function Blocks - FM 458-1 DP
Edition 12.2004
Value Significance
Nibble 1
0x0001 Initialization mode
0x0002 No SBM2 module available
0x0004 SBM2 module is processed from another SBM
0x0008 Encoder defective/not available
Nibble 2
0x0010 Unknown carrier or illegal module code
0x0020 Incorrect hardware address
0x0040 Encoder fault/error
→ Check the hardware (encoder, cable etc.)
0x0080 No voltage or short-circuit
Nibble 3
0x0100 No data transfer from or to the encoder
→ check the hardware (encoder, cable etc.)
0x0200 Erroneous data transfer from or to the encoder
→ check the hardware (encoder, cable etc.)
0x0400 Invalid mode parameterized
0x0800 Invalid encoder parameterized
Nibble 4
0x1000 Invalid speed normalization parameterized
0x2000 Invalid baud rate parameterized
0x4000 Sampling time too high; speed computation not possible
→Sampling time: ≤ 4.0 ms
0x8000 Error for the request to save
Nibble 5
0x10000 Invalid resolution parameterized
0x20000 Function block is not configured in the alarm task
0x40000
Not defined: Reserve → Default: 0
0x80000
Not defined: Reserve → Default: 0
Nibble 6-8
Not defined: Reserve → Default: 0
Computation time [µs] FM 458-1 DP 13,2
Can be inserted online No
Can be configured in Interrupt tasks
Cyclic tasks
Executed in Initialization mode
Normal mode
Special features Can only be used with an EQN 1325 encoder
Error statuses
Configuringdata