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The Rapid Roaming (RR) Ethernet Client Modules of the SCALANCE W740 Product Line offer the same features and functionalities as the W746-1 or W746-1PRO-Versions. In addition to that, these devices are equipped with the IPCF features.
The iPCF mode is recommended for applications with a requirement for real-time and predictable response times (deterministic response), even during roaming of moving stations from one access point to the next. This ensures that wireless PROFINET IO is supported and that safety-related signals, e.g. emergency stop, can be integrated into the wireless link. This means that even video signals from moving stations can be transmitted with a high level of quality.
The iPCF mechanism expands the IEEE 802.11 standard and must be available on both the station and the access point (e.g. SCALANCE W788-1RR). In a wireless field in which iPCF is used, no IEEE 802.11-compliant stations can be operated. iPCF is recommended for applications where wireless network nodes move along predefined paths (e.g. suspended monorail).
Features:

Wireless Client Module According to IEEE 802.11a/b/g for 2.4 or 5 GHz and up to 54 Mbit/s

IPCF, IPCF-MC and Dual-Client Support

IEEE 802.11e for Wireless Multimedia (WMM)

IEEE 802.11i for Security

Modern Security Mechanisms (e.g.WPA2, AES,IEEE 802.1x, RADIUS)

Support for up to 8 MAC/IP Devices at the Ethernet Port Using Layer 2 Tunnel

Network and Port Address Translation (NAT/PAT)
Specifications:

Low-Profile, Compact Aluminum Enclosure, Shock and Vibration-Proof for High Mechanical Requirements

Construction and Design Suitable for Integration in a Device or For Installation in a Cabinet

2 × R-SMA Sockets for the Connection of Remote Antennas

1 × RJ45 Connection for 10/100 Mbit/s with Power-Over-Ethernet According to IEEE 802.3at Type 1 (Corresponds to IEEE 802.3af)

1 × 24 V DC Connection for Redundant Power In Feed

1 × C-PLUG Slot

Function LEDs for Optical Signaling of Faults and Operating States

Dust Protection with IP30 Degree of Protection

Temperature Range –20°C to +60°C

Mounting: Wall or, with Optional Mounting Set, on S7 Mounting Rail, 35 mm Standard Mounting Rail

Accessory Type	Ethernet Client Module
Brand/Series	6GK Series
Current, Supply	0.23/0.12 A
Dimensions	100 W x 205 H x 20 D mm
Frequency	2.4/5 GHz
Mounting Type	Wall
Number of Ports	6 Total [(1) x Network Component and Terminal Network, (1) x Power Supply, (1) x Redundant Power Supply, (1) Radio Card, (2) x RSMA]
Port, Type	(1) x Network Component and Terminal Network, (1) x Power Supply, (1) x Redundant Power Supply, (1) Radio Card, (2) x RSMA, RJ45
Power Loss	6/6 W
Primary Type	Switches
Protection Class	IP30
Protocol Type	10/100 Mbit/s
Special Features	IWLAN RR Ethernet Client Module Scalance W 747-1, Only for Use in USA, 1 Radio Interface, IEEE 802.11B/G/A/H, Industrial Wireless LAN with Rapid Roaming (IWLAN RR), NAT
Supply Voltage	24/48 VDC
Temperature, Operating	–20 to 60 °C
Transfer Rate, Ethernet	10-100 Mbit/s
Transfer Rate, LAN	54 Mbit/s
Type	Ethernet
Weight	0.29 kg
关键词

Accessory Type Ethernet Client Module  Siemens Accessory Type Ethernet Client Module  PC Data Acquisition Accessories Accessory Type Ethernet Client Module  Siemens PC Data Acquisition Accessories Accessory Type Ethernet Client Module   Brand/Series 6GK Series  Siemens Brand/Series 6GK Series  PC Data Acquisition Accessories Brand/Series 6GK Series  Siemens PC Data Acquisition Accessories Brand/Series 6GK Series   Current, Supply 0.23/0.12 A  Siemens Current, Supply 0.23/0.12 A  PC Data Acquisition Accessories Current, Supply 0.23/0.12 A  Siemens PC Data Acquisition Accessories Current, Supply 0.23/0.12 A   Dimensions 100 W x 205 H x 20 D mm  Siemens Dimensions 100 W x 205 H x 20 D mm  PC Data Acquisition Accessories Dimensions 100 W x 205 H x 20 D mm  Siemens PC Data Acquisition Accessories Dimensions 100 W x 205 H x 20 D mm   Frequency 2.4/5 GHz  Siemens Frequency 2.4/5 GHz  PC Data Acquisition Accessories Frequency 2.4/5 GHz  Siemens PC Data Acquisition Accessories Frequency 2.4/5 GHz   Mounting Type Wall  Siemens Mounting Type Wall  PC Data Acquisition Accessories Mounting Type Wall  Siemens PC Data Acquisition Accessories Mounting Type Wall   Number of Ports 6 Total [(1) x Network Component and Terminal Network, (1) x Power Supply, (1) x Redundant Power Supply, (1) Radio Card, (2) x RSMA]  Siemens Number of Ports 6 Total [(1) x Network Component and Terminal Network, (1) x Power Supply, (1) x Redundant Power Supply, (1) Radio Card, (2) x RSMA]  PC Data Acquisition Accessories Number of Ports 6 Total [(1) x Network Component and Terminal Network, (1) x Power Supply, (1) x Redundant Power Supply, (1) Radio Card, (2) x RSMA]  Siemens PC Data Acquisition Accessories Number of Ports 6 Total [(1) x Network Component and Terminal Network, (1) x Power Supply, (1) x Redundant Power Supply, (1) Radio Card, (2) x RSMA]   Port, Type (1) x Network Component and Terminal Network, (1) x Power Supply, (1) x Redundant Power Supply, (1) Radio Card, (2) x RSMA, RJ45  Siemens Port, Type (1) x Network Component and Terminal Network, (1) x Power Supply, (1) x Redundant Power Supply, (1) Radio Card, (2) x RSMA, RJ45  PC Data Acquisition Accessories Port, Type (1) x Network Component and Terminal Network, (1) x Power Supply, (1) x Redundant Power Supply, (1) Radio Card, (2) x RSMA, RJ45  Siemens PC Data Acquisition Accessories Port, Type (1) x Network Component and Terminal Network, (1) x Power Supply, (1) x Redundant Power Supply, (1) Radio Card, (2) x RSMA, RJ45   Power Loss 6/6 W  Siemens Power Loss 6/6 W  PC Data Acquisition Accessories Power Loss 6/6 W  Siemens PC Data Acquisition Accessories Power Loss 6/6 W   Primary Type Switches  Siemens Primary Type Switches  PC Data Acquisition Accessories Primary Type Switches  Siemens PC Data Acquisition Accessories Primary Type Switches   Protection Class IP30  Siemens Protection Class IP30  PC Data Acquisition Accessories Protection Class IP30  Siemens PC Data Acquisition Accessories Protection Class IP30   Protocol Type 10/100 Mbit/s  Siemens Protocol Type 10/100 Mbit/s  PC Data Acquisition Accessories Protocol Type 10/100 Mbit/s  Siemens PC Data Acquisition Accessories Protocol Type 10/100 Mbit/s   Special Features IWLAN RR Ethernet Client Module Scalance W 747-1, Only for Use in USA, 1 Radio Interface, IEEE 802.11B/G/A/H, Industrial Wireless LAN with Rapid Roaming (IWLAN RR), NAT  Siemens Special Features IWLAN RR Ethernet Client Module Scalance W 747-1, Only for Use in USA, 1 Radio Interface, IEEE 802.11B/G/A/H, Industrial Wireless LAN with Rapid Roaming (IWLAN RR), NAT  PC Data Acquisition Accessories Special Features IWLAN RR Ethernet Client Module Scalance W 747-1, Only for Use in USA, 1 Radio Interface, IEEE 802.11B/G/A/H, Industrial Wireless LAN with Rapid Roaming (IWLAN RR), NAT  Siemens PC Data Acquisition Accessories Special Features IWLAN RR Ethernet Client Module Scalance W 747-1, Only for Use in USA, 1 Radio Interface, IEEE 802.11B/G/A/H, Industrial Wireless LAN with Rapid Roaming (IWLAN RR), NAT   Supply Voltage 24/48 VDC  Siemens Supply Voltage 24/48 VDC  PC Data Acquisition Accessories Supply Voltage 24/48 VDC  Siemens PC Data Acquisition Accessories Supply Voltage 24/48 VDC   Temperature, Operating –20 to 60 °C  Siemens Temperature, Operating –20 to 60 °C  PC Data Acquisition Accessories Temperature, Operating –20 to 60 °C  Siemens PC Data Acquisition Accessories Temperature, Operating –20 to 60 °C   Transfer Rate, Ethernet 10-100 Mbit/s  Siemens Transfer Rate, Ethernet 10-100 Mbit/s  PC Data Acquisition Accessories Transfer Rate, Ethernet 10-100 Mbit/s  Siemens PC Data Acquisition Accessories Transfer Rate, Ethernet 10-100 Mbit/s   Transfer Rate, LAN 54 Mbit/s  Siemens Transfer Rate, LAN 54 Mbit/s  PC Data Acquisition Accessories Transfer Rate, LAN 54 Mbit/s  Siemens PC Data Acquisition Accessories Transfer Rate, LAN 54 Mbit/s   Type Ethernet  Siemens Type Ethernet  PC Data Acquisition Accessories Type Ethernet  Siemens PC Data Acquisition Accessories Type Ethernet   Weight 0.29 kg  Siemens Weight 0.29 kg  PC Data Acquisition Accessories Weight 0.29 kg  Siemens PC Data Acquisition Accessories Weight 0.29 kg