3.26
SEL-2032
Communications Processor
Instruction Manual
Date Code 20120126
Job Done Examples
Example 6: Modbus Job Done
Step 3. Use the
TOGGLE
command to assert the D1 bit on Port 12, as
. The D1 message (MESG1) is sent when
the D1 bit is asserted. This should result in one data collection
operation.
Step 4. Use the
VIEW
command to view the data collected from the
DGH 1000. The data are parsed and stored in the D1 Data
region on Port 12 in floating-point format. The data are time-
tagged at the time the SEL-2032 begins to receive the data.
*>>
TOGGLE 12:D1 <Enter>
Bit toggled
*>>
VIEW 12:D1 <Enter>
Port 12, Data Region FLOAT Data
_YEAR = 1995 DAY_OF_YEAR = 65 (03/06) TIME = 18:53:18.857
FLOAT = 27.000
*>>
Figure 3.23
TOGGLE Command Asserts the D1 Bit on Port 12
Example 6: Modbus Job Done
Simple Meter
Data Access
This example demonstrates the ability of the SEL-2032 to provide data to a
Modbus master device. This example uses the SEL-2032, an SEL-321-1
Relay, and a Modbus Master set up as follows:
Step 1. Connect the SEL-321-1 to an SEL-2032 port (this example
uses Port 2). Use the SEL-C239 (Y type) cable because it
handles both communication and IRIG-B. Connect the
communication terminal at the Y end of the cable to a port on
the SEL-321-1. Connect the IRIG-B terminal at the Y end to
the relay’s AUX input port. Connect the single connector end of
the cable to Port 2 on the SEL-2032.
Step 2. Connect a Modbus master device to an SEL-2032 Modbus port;
this example uses Port 16.
Step 3. Change the SEL-2032 access level to Access Level 2 on the
SEL-2032 and issue the command SET P 16 to configure Port
16, as shown in
. The SEL-2032 will prompt for the
type of device connected to the port. Enter M for Master, enter
M a second time for Modbus protocol. Select the default
floating-point map and set the start ID to 0. Assign an address
to Port 2 and enter OFF for other port addresses.
Table 3.11
Example 6 Port 16 Port Configuration Settings
(Sheet 1 of 2)
Setting Name
Setting Value
Comment
DEVICE
M
PROTOCOL
M
MAP_TYPE
F
START_ID
0
SETTLE1
0
SETTLE2
0
ADDRESS1
OFF
Содержание SEL-2032
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