Black Box IC109A-R2 Installationshandbuch Seite 82

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© 2007 Schneider Electric. All Rights Reserved.
1
63230-216-229-B1
Installation
Communications Wiring
Network Limits
Network Limits for POWERLOGIC Devices and Sepam™ Series 80 Relays.
Network Limits for POWERLOGIC Devices
Maximum Distance feet (meters)
4-Wire RS485 Daisy Chain
Baud Rate 1-16 Devices 17-32 Devices
1200 10,000 (3,048) 10,000 (3,048)
2400 10,000 (3,048) 5,000 (1,524)
4800 10,000 (3,048) 5,000 (1,524)
9600 10,000 (3,048) 4,000 (1,219)
19200 10,000 (3,048) 2,500 (762)
38400 5,000 (1,524) 2,000 (610)
Lowering network baud rate to 9600 allows 7 POWERLOGIC devices and 25
Sepam™ Series 80s at 3,690 ft. (1,125 m).
Network Limits for Sepam™ Series 80 Relays (at max. 38,000 baud rate)
Maximum Distance feet (meters) of 4-Wire RS485 Daisy Chain
Number of Sepam™ Series 80 Units Connected
Cable Distributed Power 5 10 20 25
Standard AWG 24, 2-pair
with resistance of 78.5 ohms/
km
12 V 1,050 (320) 590 (180) 525 (160) 410 (125)
24 V 3,281 (1,000) 2,460 (750) 1,476 (450) 1,230 (375)
Fileca F3644-1 specific cable 12 V 3,150 (960) 1,772 (540) 1,575 (480) 1,230 (375)
24 V 4,265 (1,219) 4,265 (1,300) 4,265 (1,300) 3,690 (1,125)
With distributed power supply from one accessory.
Belden 9841 (1 pair shielded); Belden 9842 or 8723 (2 pair shielded).
Lowering network baud rate to 9600 allows 7 POWERLOGIC devices and 25 Sepam™ Series 80s at 3,690 ft. (1,125 m).
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