1.14
SEL-2032
Communications Processor
Instruction Manual
Date Code 20120126
Introduction and Specifications
Functions
The SEL-2032 distributes a demodulated
IRIG-B signal through Ports 1–16. This signal can be used by any
attached device that recognizes the IRIG-B code by connecting the
proper cable to the SEL-2032. The signal can be distributed to SEL
relays that accept IRIG-B input, by using a special cable designed for
both communication and IRIG-B signals. The SEL-2032 internally
generates the IRIG-B signal, unless you connect an external source of
modulated or demodulated IRIG-B to the SEL-2032. You can also
perform low-accuracy time synchronization of the SEL-2032 using a
serial protocol or an installed protocol card. See your protocol card
instruction manual for details. If the connected device does not accept
IRIG-B, you can program the SEL-2032 to send a date and time
message to the device.
Communications
Processor
The SEL-2032 has a distinct and significant advantage over simple port
switches because of its sophisticated and powerful communications
processing capabilities.
shows a typical application that includes
several of the communication processing types described below.
describes the communications on each type of link shown in
.
Figure 1.7
SEL-2032 Manages Communications With Multiple Master and
Slave Devices
Table 1.1
Communications Type
From
To
Description
IED
SEL-2032
Messages That Emulate Native IED Protocol
SEL IED
SEL-2032
Autoconfiguration, SEL “20” Messages
Modem
SEL-2032
SEL-2032 Command Set, User-Defined Messages
RTU or SCADA Master
SEL-2032
DNP3 Slave Level 2 or Modbus
Local HMI
SEL-2032
Ethernet High-Speed Network
GPS Clock
SEL-2032
IRIG-B Time Synchronization
SEL-2032
RTU or
SCADA Master
Modem
GPS Clock
Satellite
Local HMI
IED
SEL IED
SEL IED
SEL IED
Содержание SEL-2032
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