Siemens S7-400 Installation Manual page 314

Index
Overvoltage protection, A-30
P
Power supply connector
disconnect, 4-20
plugging in, 4-23
wiring, 4-21
Power supply module, 1-3
choosing, 4-3
replacing, 7-4
Preparing for operation, M7-400, 8-32
checking status and error indicators, 8-45
checklist, 8-32
connecting a PC/programming device to the
COM interface, 8-36
connecting the operator panels and I/O
devices, 8-33
starting up a PROFIBUS-DP, 8-44
Printer, M7-400
connecting, 8-34
maximum line length, 8-35
PROFIBUS-DP, starting up, 6-17
PROFIBUS-DP address, 5-4
PROFIBUS-DP addresses, recommendation,
5-8
PROFIBUS-DP bus cable, 5-18
characteristics, 5-18
rules for laying the, 5-18
PROFIBUS-DP network
components, 5-8
configuration example, 5-12, 5-13
configuration rules, 5-7
segment, 5-15
PROFIBUS-DP subnet, M7-400
assembling, 8-30
starting up, 8-44
Programming device, connecting, 6-5
Programming device, M7-400
connecting to a grounded configuration,
8-43
connecting to an ungrounded configuration,
8-43
in the MPI subnet, 8-41
via spur line to MPI subnet, 8-42
Protection against overvoltage, A-20
Protective measures, 4-5
Index-4
R
Rack, 1-3
clearances, 2-10
mounting dimensions, 2-10
segmented, 2-8, 2-9
subdivided, 2-9
with I/O bus and C bus, 2-7
Racks
grounding, 2-10
mounting, 2-10
of the S7-400 system, 2-6
Rating plate, M7-400, 1-6
Reference potential
grounded, 4-7
ungrounded, 4-8
Regulations, for operating the S7-400, A-2
Replacing interface submodules, 7-22
Replacing memory cards, 7-19
RS 485 repeater, 5-7, 5-23
assembly, 5-23
connecting the PROFIBUS-DP bus cable,
5-24
terminating resistor, 5-9
wiring the power supply unit, 5-23
Rules
for configuring a network, 5-7
for ensuring electromagnetic compatibility,
A-7
general, A-2
wiring, 4-17
Running cables, outside buildings, A-19
S
Segment, 5-3
MPI network, 5-15
PROFIBUS-DP network, 5-15
Setting up, M7-400, monitor, 8-34
Short AT card, M7-400, fitting, 8-15
Signal module, 1-3
Socket, M7-400, removing the cover, 8-18
Space requirements
of cabinets, 2-29
of the racks, 2-30
with fan subassembly, 2-11
S7-400 and M7-400 Programmable Controllers Hardware and Installation
A5E00069481-04