Black Box IC109A-R2 Manuel d'installation Page 81

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75
1
© 2007 Schneider Electric. All Rights Reserved.
63230-216-229-B1
Installation
Communications Wiring
Cable Pinouts
Cable pinouts for CAB-107 and CAB-108 cables are shown below.
.
Network Daisy Chain Practices (including Shield Grounding)
Sepam
Ser.80
No. 2
Sepam
Ser.80
No. 25
ACE959
RS232/RS485
Converter
& Power Supply
TR
TR BR
ACE959
ACE959
Sepam
Ser.80
No. 1
TR
TR
RS232
CCA612
CCA612
CCA612
RS485
System
PC
RS485
Break in
Shield
110 Vac
Notes:
RS485 cable is 4-wire plus shield. 2-wire power (24 Vdc) is also required. Recommended cable:
Belden 9841 (1 pair)
Belden 9842 or 8723 (2 pair)
Fileca F3644-1 (2 pair signal/1 pair power)
Shield is broken between two grounded shield termination points (typical). Leave the shield intact from source until just
before next
shield ground.
Up to 25 Sepam Series 80 relays (maximum) on daisy chain.
TR=Terminating Resistor
Two TRs are required at each end of an RS485 4-wire diasy chain (can be accomplished by setting the movable jumpers
on Sepam module ACE959, the switches on Black Box converter IC109A-R2, or, for series 2000 circuit monitors, using a
Multipoint Communications Adapter MCT-485). For series 4000 circuit monitors and series 600 power meters with a screw-type
terminal block, use an MCTAS-485 (or an MCT-485 with a terminal block). Refer to the device instruction bulletin for more details.
BR= Biasing Resistor
One BR set required per daisy chain (accomplish by setting switch on Black Box converter IC109A-R2; other converters should
be checked for configurable biasing [recommended at or near system master]).
One recommended RS232/RS485 Converter is Black Box IC109A-R2 (power supply separate).
Shields should be grounded at one end only.
Shield
Shield
Shield
Shield
RS485
RS485
Break in
Shield
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