Sel 2414 - SEL Communications Processor to SEL-2414 Unsolicited Write Remote Analog Example

C.13
Date Code 20130214 Instruction Manual SEL-2414 Transformer Monitor
SEL Communications Processors
SEL Communications Processor Example
connected to the SEL communications processor. You must also enable Fast
Operate messages in the SEL communications processor by setting the automes-
sage setting SEND_OPER equal to Y.
When you enable Fast Operate functions, the SEL communications processor
automatically sends messages to the device for changes in remote bits RB1–
RB16 on the corresponding SEL communications processor port. In this exam-
ple, if you set RB1 on Port 1 in the SEL communications processor, it automati-
cally sets RB1 in the SEL-2414.
There are no breaker bits in the SEL-2414.
SEL Communications
Processor to
SEL-2414 Unsolicited
Write Remote Analog
Example
From the perspective of the SEL-2414, Remote Analogs (RA01 through RA32)
are specific, pre-allocated memory addresses. These memory addresses are avail-
able to accept and store values from remote devices such as an SEL-2032,
SEL-2030, or SEL-2020 Communications Processor. Once these values from the
remote devices are written into the memory addresses in the SEL-2414, you can
use these values similar to any other analog quantity in the SEL-2414. When
using the SEL communications processor to send the Remote Analogs to the
SEL-2414, we use the Unsolicited Write setting string and send the information
using the SEL Fast Message protocol. This example shows how to configure the
Unsolicited Write message in the SEL communications processor to move data
stored in the USER region of Port 6 of the SEL communications processor to an
SEL-2414 connected to Port 3 of the SEL communications processor. We also
show how to select the correct Remote Analog data type in the SEL-2414 to
match the information in the Fast Message.
Although the SEL communications processor caters to static and dynamic data,
this example uses static data in the SEL communications processor (entering the
Unsolicited Write setting string is the same for static and dynamic data; see the
SEL communications processor manual for dynamic data storing techniques).
Assume the data are already stored in the USER region of Port 6 in the SEL com-
munications processor. The Unsolicited Write message must be set in the Auto-
matic messages on the SEL communications processor port to which the
SEL-2414 is connected. Because the SEL-2414 is connected to Port 3 of the SEL
communications processor, we use the Unsolicited Write Automatic (MESG1)
message setting of Port 3 to build the Fast Message string, as shown in
Figure C.5 (see the SEL communications processor manual for in-depth discus-
sions regarding the SEL communications processor Automatic message settings)