Categories | TAMAGAWA |
---|---|
Place of Origin: | Japan |
Brand Name: | Tamagawa |
Certification: | CE |
Model Number: | TS5312N250 |
MOQ: | 1pcs |
Payment Terms: | T/T, Western Union, MoneyGram |
Supply Ability: | 100pcs/week |
Delivery Time: | in stock |
Packaging Details: | carton |
TAMAGAWA: | TAMAGAWA |
Material: | iron |
color: | black |
temperature: | 20-90 |
dimension: | 70mm |
wire: | wire |
Japan: | Japan |
TS5312N250: | TS5312N250 |
TS5312-N250
Each MB_SERVER connection must be established with a unique IP port
number. Only 1 connection per port is supported. | |
Each MB_SERVER connection must use a unique connection ID. | |
The MB_SERVER must be called individually for each connection (with
its respective instance DB). |
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The Connection ID must be unique for each individual connection.
This means a single,
unique Connection ID must only be used with each individual
instance DB. In summary, the
instance DB and the Connection ID are paired together and must be
unique for every
connection. Return query data echo test: The MB_SERVER will echo
back to a Modbus client a word of data
that is received.
08 0x000A Clear communication event counter: The MB_SEVER will
clear out the communication event
counter that is used for Modbus function 11.
11 Get communication event counter: The MB_SERVER uses an internal
communication event
counter for recording the number of successful Modbus read and
write requests that are sent to
the Modbus server. The counter does not increment on any Function 8
or Function 11 requests. It
is also not incremented on any requests that result in a
communication error.
The broadcast function is not available for Modbus TCP, because
only one client-server
connection exists at any one time. This table shows the public
static variables stored in the MB_SERVER instance data block
that can be used in your program Assigns the starting address of
the Modbus Holding register
Request_Count Word 0 The number of all requests received by this
server.
Server_Message_Count Word 0 The number of requests received for
this specific server.
Xmt_Rcv_Count Word 0 The number of transmissions or receptions that
have encountered an
error. Also, incremented if a message is received that is an
invalid
Modbus message.
Exception_Count Word 0 Modbus specific errors that require a
returned exception
Success_Count Word 0 The number of requests received for this
specific server that have no
protocol errors.
Connected Bool 0 Indicates whether the connection to the assigned
client is connected or
disconnected: 1=connected, 0=disconnected
Your program can write values to the HR_Start_Offset and control
Modbus server
operations. The other variables can be read to monitor Modbus
status.
HR_Start_Offset
Modbus holding register addresses begin at 40001 . These addresses
correspond to the
beginning PLC memory address of the holding register. However, you
can configure the
"HR_Start_Offset" variable to start the beginning Modbus holding
register address at another
value instead of 40001.
For example, if the holding register is configured to start at
MW100 and is 100 words long.
An offset of 20 specifies a beginning holding register address of
40021 instead of 40001.
Any address below 40021 and above 40119 will result in an
addressing error. HR_Start_Offset is a word value that specifies
the starting address of the Modbus holding
register and is stored in the MB_SERVER instance data block. You
can set this public static
variable value by using the paraer helper drop-list, after
MB_SERVER is placed in your
program.
For example, after MB_SERVER is placed in a LAD network, you can go
to a previous
network and assign the HR_Start_Offset value. The value must be
assigned prior to
execution of MB_SERVER.
Entering a Modbus server
variable using the default DB name:
1. Set the cursor in the paraer field and
type an m character.
2. Select "MB_SERVER_DB" from the droplist
of DB names.
3. Select
"MB_SERVER_DB.HR_Start_Offset" from
the drop-list of DB variables. MB_SERVER is waiting for a Modbus
client to connect to the assigned TCP port. This
code is reported on the first execution of a connect or disconnect
operation.
7002 MB_SERVER is waiting for a Modbus client to connect to the
assigned TCP port. This
code is reported for any subsequent executions, while waiting for
completion of a
connect or disconnect operation.
7003 A disconnect operation has successfully completed (Only valid
for one PLC scan).
8187 Invalid pointer to MB_HOLD_REG: area is too small Pointer to a
optimized MB_HOLD_REG area (must be a standard DB area or M
memory area) or Blocked process timeout exceeds the limit of 55
seconds. (
specific)
8381 01 Function code not supported
8382 03 Data length error
8383 02 Data address error or access outside the bounds of the
MB_HOLD_REG address area
8384 03 Data value error
8385 03 Data diagnostic code value not supported (function code 08)
1 In addition to the MB_SERVER errors listed above, errors can be
returned from the
underlying T block communication instructions (TCON, TDISCON,
TSEND, and TRCVYou can have multiple Modbus TCP server connections.
To accomplish this, MB_SERVER
must be independently executed for each connection. Each connection
must use an
independent instance DB, connection ID, and IP port. The allows
only one
connection per IP port.
For best performance, MB_SERVER should be executed every cycle for
each connection.
Network 1: Connection #1 with independent IP_PORT, connection ID,
and instance DB Multiple Modbus client requests can be sent over
the same connection. To accomplish this,
use the same instance DB, connection ID, and port number.
Only 1 client can be active at any given time. Once a client
completes its execution, the next
client begins execution. Your program is responsible for the order
of execution.
The example shows both clients writing to the same memory area.
Also, a returned error is
captured which is optional.
Network 1: Modbus function 1 - Read 16 output image bitsModbus
client requests can be sent over different connections. To
accomplish this, different
instance DBs, IP addresses, and connection IDs must be used.
The port number must be different if the connections are
established to the same Modbus
server. If the connections are on different servers, there is no
port number restriction.
The example shows both clients writing to the same memory area.
Also, a returned error is
captured which is optional.
Network 1:
Modbus function 4 - Read input words (in memory)