Schneider Automation Modicon Quantum Ethernet Guide de l'utilisateur Page 33

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Quantum Configurations
35013379 02 October 2007 33
Local, Remote
and Distributed
I/O Configuration
Depending on the type of configuration—Local, Remote, or Distributed I/O, a variety
of features will apply, as shown in the following table.
*Requires use of backplane expander, Telefast module excepted (27 modules x 32
points = 864). May be limited by bus power requirements.
Feature Configuration
Local I/O Remote I/O Distributed I/O
Maximum I/O Words
Per drop 64 in / 64 out 64 in / 64 out 30 in / 32 out
Per network 1,984 in / 1,984 out 500 in / 500 out
Maximum Physical Discretes
Per drop *864 any mix *864 any mix 448 any mix
Maximum drops per
network
31 63
Media Coax Twisted Pair
Speed 1.5 Mhz 1 MHz
Maximum distance
without repeaters
15,000 ft. (4,573 m) 1,500 ft. (457 m)
Scan synched I/O
servicing
Yes No
Momentum I/O
support
No Yes
Hot Standby
support
Yes No
Modbus Plus
compatible
No Yes
This document provided by Barr-Thorp Electric Co., Inc. 800-473-9123 www.barr-thorp.com
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