![Siemens SIMATIC IPC847C Скачать руководство пользователя страница 28](http://html.mh-extra.com/html/siemens/simatic-ipc847c/simatic-ipc847c_getting-started_378278028.webp)
Connection
5.3 Equipotential bonding
SIMATIC IPC847C
28
Getting Started, 12/2010, A5E02669190-02
Connecting to the redundant power supply
Steps for connecting the device to mains (redundant power supply)
1 Connect the two connectors for cooling
devices
①
2 Switch both On/Off switches on or off
simultaneously. The LED at the power
supply
③
lights up green.
Note:
If only one control supply module is switched
on or connected, or a module is defective, a
warning signal is emitted. You cancel the
warning signal by pressing button
④
.
5.3
Equipotential bonding
A low-impedance ground connection improves the discharge of interference generated by
external power cables, signal cables or cables for I/O modules to ground.
Equipotential bonding terminal
The equipotential bonding terminal
①
on the device
(large surface, large-area contact) must be
connected with the central grounding busbar of the
cabinet or plant in which the PC is to be installed.
The minimum conductor cross-section may not be
less than 5 mm
2
.
Содержание SIMATIC IPC847C
Страница 4: ...Table of contents SIMATIC IPC847C 4 Getting Started 12 2010 A5E02669190 02 ...
Страница 6: ...Introduction SIMATIC IPC847C 6 Getting Started 12 2010 A5E02669190 02 ...
Страница 16: ...Description 2 4 Status displays SIMATIC IPC847C 16 Getting Started 12 2010 A5E02669190 02 ...
Страница 20: ...Application planning 3 4 Access protection SIMATIC IPC847C 20 Getting Started 12 2010 A5E02669190 02 ...
Страница 30: ...Connection 5 4 Strain relief for network cables SIMATIC IPC847C 30 Getting Started 12 2010 A5E02669190 02 ...
Страница 34: ...Commissioning 6 3 Reinstalling the software SIMATIC IPC847C 34 Getting Started 12 2010 A5E02669190 02 ...
Страница 38: ...Troubleshooting 7 1 General problems SIMATIC IPC847C 38 Getting Started 12 2010 A5E02669190 02 ...