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Siemens IK PI · 2015

AS-Interface

System Components and Accessories

Extension plug

■

Overview

AS-Interface extension plug:

Picture left: extension plug compact, picture right: extension plug plus

With the extension plug, it is possible to double the cable length

possible in an AS-Interface segment from 100 to 200 m.

Only one power supply unit is needed to supply power to the

slaves on the up to 200 m long segment.

The following versions of the extension plug are available:

• Extension plug Compact: a passive component that can be

connected directly to the AS-Interface shaped cable

• Extension plug plus: The Extension plug plus has an inte-

grated A/B slave that enables any undervoltage supply to be

signaled to the AS-Interface master. It has an M12 plug and

can be connected to the AS-Interface M12 feeder with degree

of protection IP67.

Design of an AS-Interface segment with an extension plug

With an AS-Interface segment with a cable length of more than

100 m and up to a maximum of 200 m, the extension plug is

installed in a radius of approx. ± 10 m at that point of the network

which is furthest from the power supply unit. The extension plug

is not allowed to be used in AS-Interface networks smaller than

100 m. As with all AS-Interface networks, any network structure

(line, tree, star) is possible when using the extension plug.

Only one extension plug is required per 200 m segment, even

with a tree or star structure.

Note:

With the compact extension plug and the M12 feeder

3RK1901-1NR10 (4 A), the AS-Interface shaped cable has to

be terminated using the cable terminating piece, see

"miscellaneous accessories", page 4/152.

The AS-Interface extension plug is not suitable for AS-i

Power24V networks.

Maximum network size with repeaters and extension plug (master at center of network)

■

Selection and ordering data

Version Article No.

3RK1901-1MX02

AS-Interface extension plug compact

• Doubling of the cable length to 200 m per AS-Interface segment

• With direct connection to AS-Interface shaped cable

3RK1901-1MX02

3RK1901-1MX01

AS-Interface extension plug plus

• Doubling of the cable length to 200 m per AS-Interface segment

• Mounting on AS-Interface M12 feeders (to be ordered separately)

• Undervoltage monitoring signal through integrated AS-Interface slave to AS-Interface master

3RK1901-1MX01

Accessories

3RX9801-0AA00

AS-Interface M12 feeders

• Transition of shaped AS-Interface cable to a standard round cable

• Current carrying capacity up to 2 A

• Degree of protection IP67

3RX9801-0AA00

3RK1901-1NR10

AS-Interface M12 feeders

• Transition of AS-Interface cable without U

aux

, with M12 socket

• Max. 4 A

• Degree of protection IP67/IP68/IP69K

3RK1901-1NR10

200 m

600 m

200 m 200 m

Repeater

Master

Slave

Power

Supply

Slave Slave Slave Slave Slave

Power

Supply

Power

Supply

Extension

Plug

Repeater

Extension

Plug

Extension

Plug

NSA0_00371c

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