smoothing, A-18
structure of data record 1, A-12
structure of data record 128, A-13
Temperature coefficient, A-18
SM 331; AI 8 x RTD x 24 bits, measuring
methods and measuring ranges, A-16
SM 331; AI 8 x TC
interference frequency suppression, A-24
measuring methods and measuring ranges,
A-25
operating modes, A-24
parameters, A-19
reaction to open thermocouple, A-26
smoothing, A-26
structure of data record 1, A-20
structure of data record 128, A-21
SM 332; AO 4 x 16 bits, Synchronous
operation, 4-173
SM 332; AO 8 x 12 bits
Parameters, A-39
Structure of data record 1, A-40
SM 338
Encoder value acquisition, 5-10
Free running encoder value acquisition,
5-10
POS-Input module, 5-7
Synchronous operation, 5-8
SM 338; POS-INPUT
Absolute value encoder (SSI), 5-14
Addressing, 5-15
Auxiliary supply missing, 5-19
Baud rate, 5-14
Causes of Errors and Remedial Measures,
5-19
Channel error, 5-19
Channel information present, 5-19
channel-specific diagnostic data, B-8
Code type, 5-14
Configuration error, 5-19
Diagnosis, 5-17
Diagnosis interrupt release, 5-14
diagnostic data, B-7
Diagnostic interrupt, 5-20
encoder error, 5-19
External error, 5-19
Freeze-function, 5-12, 5-14
Group fault-LED, 5-17
Internal error, 5-19
Interrupts, 5-20
Module fault, 5-19
Monoflop time, 5-14
Normalization, 5-11, 5-14
Parameterization error, 5-19
Parameterization missing, 5-19
SF-LED, 5-17
Programmable Logic Controllers S7-300 Module Data
A5E00105505-03
Watchdog tripped, 5-19
Wrong parameters, 5-19
Smoothing, Glossary-9
SM 331; AI 8 x RTD, A-18
SM 331; AI 8 x TC, A-26
Smoothing analog input values, 4-36
Smoothing of analog input values, analog input
module, 4-42
Spare parts, D-1
Spring-loaded terminals, SIMATIC TOP
connect/...TPA, 8-10
Standards and approvals, 1-2
Startup, Glossary-9
Status mode, Glossary-9
STEP 7 blocks, for analog functions, 4-1
Substitute value, Glossary-9
analog output module, A-38
Substitute value "1" application, SM 322; DO 8
x 24 VDC/0.5 A, 3-76
Substitute value application, SM 322; DO 8 x
24 VDC/0.5 A, 3-76
Supply voltage failure, of the analog module,
4-32
Synchronous operation
SM 321; DI 16 x DC 24 V, 3-26
SM 331; AI 8 x 14 bits High Speed, 4-101
SM 332; AO 4 x 16 bits, 4-173
SM 338, 5-8
System diagnostics, Glossary-9
System function (SFC), Glossary-9
T
Technical specifications, RS 485 repeater, 7-6
Temperature coefficient, Glossary-9
analog input module, 4-42
SM 331; AI 8 x 13 bit, A-29
SM 331; AI 8 x RTD, A-18
Temperature error, Glossary-9
Temperature errors of internal compensation,
Glossary-10
Temperature measurement, SM 331; AI 8 x 13
bit, A-28
Temperature unit, Analog input module, 4-41
Test voltages, 1-12
Thermo emf, 4-58
Thermocouple
design, 4-58
open, reaction to, Glossary-7
principle of operation, 4-58
Thermocouple connection, to analog input
module, 4-58
Three-conductor connection, 4-54,
Glossary-10
Two-conductor connection, 4-55, Glossary-10
Index
Index-9