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Siemens IK PI · 2015

Industrial Wireless Communication

Industrial Wireless LAN (IWLAN)

Introduction

■

Overview (continued)

Increased data rate

WLAN systems in accordance with IEEE 802.11a/b/g/h use a

single channel for sending and receiving data. This achieves a

maximum gross data rate of 54 Mbps.

Two channels are used simultaneously with the help of channel

bonding. Gross data rates of up to 450 Mbps can be achieved

in conjunction with MIMO technology in accordance with

IEEE 802.11n.

Increased data rate on IWLAN in accordance with IEEE 802.11n

with the help of channel bonding

■

Benefits

• High level of investment protection, as all products comply

with the universally recognized IEEE 802.11 standard and are

suitable for 2.4 GHz and 5 GHz

• No wear and tear – saves maintenance and repair costs for

connectors, trailing cables, sliding contacts or winding

devices

• Predictable data traffic (deterministic response) and defined

response times on the wireless link

• Wireless transmission of standard and fail-safe signals with

PROFINET and PROFIsafe

• Low-cost installation in hazardous areas of Zone 2

• End-to-end wireless network for data, voice and video

beyond corporate divisions thanks to interfacing with the

SCALANCE WLC IWLAN controller (support by

SCALANCE W78xC device types)

• Expansion of certain SCALANCE W products with additional

functions is possible using a KEY-PLUG

• KEY-PLUG/C-PLUG permits simple device replacement if an

error occurs

Communication according to IEEE 802.11n standard

Communication according to IEEE 802.11n

max. data rate: 450 Mbit/s

max. data rate: 216,7 Mbit/s

1x 40 MHz channel

2x 20 MHz channels

G_IK10_XX_30289

SCALANCE

W748-1 M12

SCALANCE

W788-1M12

SCALANCE

W748-1 M12

SCALANCE

W788-1 M12

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