Siemens SIMATIC S7 System Manual page 856

Index
Guidelines
grounding and circuit, 62
installation on a panel, 53
installation procedures, 52
isolation, 63
wiring guidelines, 64
H
Hardware troubleshooting, 578
HDEF (high-speed counter definition), 257
Heat, high voltage, and electrical noise, 47
High-speed counter registers, 810
High-speed counters, 264
High-vibration environment, 54
HMI
configuring Ethernet communication, 415
devices, 464
general guidelines for networks, 464
multi-master and multi-slave PPI networks, 451
single-master PPI networks, 451
supported devices, 27, 398
Hotline, 3
HSC (high-speed counter), 168, 257
HSC0, HSC1, HSC2, HSC3, HSC4, and HSC5 high-
speed counter registers (SMB36-65, SMB136-145,
SMB146-155, SMB156-165), 810
HTA, 240
I
-I (STL-Subtract integer), 297
I/O
analog input representation (current), 750
analog input representation (voltage), 749
analog output representation (current), 751
analog output representation (voltage), 750
analog status indicators, 102
step response times (SM), 748
I/O addressing, 83
I/O error status
PLC non-fatal error codes, 792
PLC non-fatal error SM flags, 795
SMB5, 805
I/O expansion bus - communication errors
(SMW98), 821
I/O Module ID and error registers (SMB8-SMB19), 807
I_B, 236
I_BCD, 236
I_DI, 236
I_S, 245
856
IBCD (STL-Integer to BCD), 236
Illegal syntax
symbol table, 118
Immediate I/O read/writes, 71
Immediate instructions
LAD, FBD, and STL, 171
INC_B, 305
INC_DW, 305
INC_W, 305
INCB (STL-Increment byte), 305
INCD (STL-Increment double word), 305
INCW (STL-Increment word), 305
Indirect addressing
creating pointers and using indirect address, 84
example of pointer offset to access data, 88
example of pointer to access data in a table, 87
symbol table, 120
Inductive loads, 66
Input filter time, 138
Input process image register, 71
Inputs
edge detectors, 177
example bit logic, 182
NOT contact, 176
physical and in program, 69
pulse catch bits (system block), 139
reading, 71
standard contacts, 169, 171
STL logic stack, 173
Installation
clearance for airflow and cooling, 48
dimensions, 51
DIN rail, 54
expansion cable, 60
expansion module (EM), 59
grounding, 63
grounding and circuit, 62
guidelines, 47
high-vibration environment, 54
inductive loads, 66
isolation, 63
isolation guidelines, 63
lamp loads, 65
overview, 47, 52
panel, 53
separate the devices from heat, high voltage, and
electrical noise, 47
signal board (SB), 55
terminal block connector, 57
wiring guidelines, 64
Instruction execution status bits (SMB1), 803
Instruction libraries, 563
System Manual, V2.3, 07/2017, A5E03822230-AF
S7-200 SMART