1.6
SEL-734 Meter Instruction Manual Date Code 20090730
Introduction and Specifications
Communications Connections
Communications Connections
See Port Connector and Communications Cables on page 10.4 for more
communications connection information.
Figure 1.4 SEL-734 Communications Connection Examples
ETHERNET CONNECTION
EIA-485 CONNECTIONS (Requires Optional Communication Board)
SEL-734
Meter
(#1)
Computer
Port 4A
Port 4A
Port 4A
SEL Communications Processor
SEL Communications Processor
Port 4C
Port 4C
LOCAL CONNECTION
Port 1
(Metallic)
Cable
C273A
Port 3
Port 2
DATA AND TIME-SYNCHRONIZATION CONNECTIONS
SEL-734
Meter
MODEM CONNECTION
Port 4B
Connect to the SEL Communications Processor
Once and Communicate With Any Connected SEL Meter
Or...
Connect to the SEL-734 Meters
Individually Via the Rear-Panel Serial Ports
SEL-734
Meter
SEL-734
Meter
(#32)
SEL-734
Meter
(#2)
SEL-734
Meter
SEL-734
Meter
SEL-734
Meter
SEL-734
Meter
LAN
Cable C234
Fiber-Optic
Cable #C800
FZST or
#C800
FDST
SEL-2810
Courtesy of NationalSwitchgear.com
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