
74
© 2007 Schneider Electric. All Rights Reserved.
1
63230-216-229-B1
Installation
Communications Wiring
Communications Interface Wiring
For information on Communications Wiring starting at Port C on the base unit, see
page 47. In North America, 4-wire communications wiring is recommended using the
ACE959 communications interface.
This interface requires external 12/24 Vdc control power. See “Connecting to
Sepam™” on page 59 for information on wiring the ACE959.
The illustrations on the following pages show typical communications network
connections.
Typical Serial Communications Application (4-Wire)
Using 4-Wire Module in 2-Wire Daisy Chain
B
TX+
A
RX-
TX-
V-
V+
RX+
Terminator
MCT-485
CM-4000
Circuit Monitor
RX+
RX–
TX+
TX–
20
21
22
23
24
Green
White
Red
Black
PM-600
Power Meter
RX+ (Green)
To Next
Sepam Series 80
TX+ (Red)
TX– (Black)
ACE959
Communications
Interface
CAB107
(DB9 Female)
CAB108NL
(DB9 Male)
C
To 24 Vdc
Reliable Source
To Next
Sepam Series 80
Green
White
Red
Black
TXB
RXB
RXA
TXA
RS232 Port
TR
BR
DB25
DB9
BlackBox
IC109A-R2
RS232/485
Converter
RS-232 Port
Standard
RS232 Cable
RX– (White)
In+
In–
Out+
Out–
Shld
To Port C
On Sepam Series 80
2 ft.
(0.6 m)
max.
POWERLOGIC
System Manager
Software (SMS)
CCA
612
5
4
3
2
1
See "Shield and
Grounding" note below
Notes:
Shield and Grounding— The shield is broken between two grounded shield termination points.
Leave the shield intact from source until just before next shield ground. See Figure on page 79
for more information.
BR=Biasing Resistor. Also known as Polarizing Resistor (RP).
TR= Terminating Resistor (also known as
B
TX+
A
RX-
TX-
V-
V+
RX+
To Nex t
Sepam
ACE959
Communications
Interface
C
To 24 Vdc
Reliable Source
To Nex t
Sepam
To Port C
On Sepam Series 80
CCA
612
}
To Next Device
To Next Device
{
Komentáře k této Příručce