Schweitzer Engineering Laboratories SEL-311C - Communications Connections; Figure 1.4 SEL-311 C Communications Connections Examples

1.8
SEL-311C Relay Instruction Manual Date Code 20060320
Introduction & Specifications
Communications Connections
Communications Connections
See Port Connector and Communications Cables on page 10.2 for more
communications connection information.
Figure 1.4 SEL-311C Communications Connections Examples
SEL
COMMUNICATIONS
PROCESSOR
SEL
COMMUNICATIONS
PROCESSOR
SEL-311C RELAY
SEL-311C RELAY
(METALLIC)
CABLE
PORT 2
PORT 2
SEL-2810
FIBER-OPTIC
or # C273AFD
CABLE # C273AFZ
PORT 1
COMPUTER
PORT 1 PORT 1
Metallic Cable Connection
Optical Cable Connection
SEL-311C RELAY (#1)
SEL-311C RELAY (#2)
SEL-2032
Front Panel
Rear Panel
Front Panel
PORT 2PORT 2
PORT F
# C234A
PORT F
EIA-485 CONNECTIONS
LOCAL CONNECTIONS
DATA AND TIME-SYNCHRONIZATION CONNECTIONS
CONNECT TO THE SEL-2032
ONCE AND COMMUNICATE WITH
ANY CONNECTED SEL RELAY
OR . . .
CONNECT TO THE
SEL-311C RELAYS
INDIVIDUALLY VIA THE
FRONT-PANEL SERIAL PORT
SEL-311C RELAY (#1)
SEL-311C RELAY (#2)
SEL-311C RELAY (#32)
#C273A
SEL-311C RELAY