TAMAGAWA TS5017N60 TS5017N60 TS5017N60 TS5017N60 TS5017N60 TS5017N60 TS5017N60

TS5017N60

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TS5850N60

TS3630N1303E9

TS5008N66

TS2650N1E78

TS374

TS1981N53E19

61347

TS3653N3E8

TS5850N64

TS3630N1309E5

TS5010N

TS2650N11E78

TS3762N15E4

TS1981N56E19

TS3653N3E9

TS5850N70

TS3630N1306

TS5013N69

TS2650N101E78

TS4126N1017E235

TS1981N56E19

TS3653N13E9

TS5N2E18

TS3630N1E1

TS5013N61

TS2651N111E78

TS4127N1017E215

TS1982N126E6

transaction ID that was originally transmitted within the assigned time or this error is returned. transaction ID that was originally transmitted within the assigned time or this error is returned. Check the
connection to the Modbus server device.
This error is only reported after any configured retries (if applicable) have been attempted.
8188 Invalid mode value
8189 Invalid data address value
818A Invalid data length value
818B Invalid pointer to the DATA_PTR area. This can be the combination of MB_DATA_ADDRESS +
MB_DATA_LEN.
818C Pointer to a optimized DATA_PTR area (must be a standard DB area or M memory area)
8200 The port is busy processing an existing Modbus request.
8380 Received Modbus frame is malformed or too few bytes have been received. The assigned Connection ID paraer is different from the ID used for previous requests. There can only
be a single Connection ID used within each MB_CLIENT instance DB.
This is also used as an internal error if the Modbus TCP protocol ID received from a server is not 0.
8388 A Modbus server returned a quantity of data that is different than what was requested. This applies to
Modbus functions 15 or 16 only.
1 In addition to the MB_CLIENT errors listed above, errors can be returned from the underlying T block communication
instructions (TCON, TDISCON, TSEND, and TRCV)MB_SERVER communicates as a
Modbus TCP server through the
PROFINET connector on the
CPU. No additional communication
hardware module is required.
MB_SERVER can accept a request to
connect with Modbus TCP client ,
receive a Modbus function request, and
send a response messageMB_SERVER attempts to make a "passive" connection with a partner device.
This means that the server is passively listening for a TCP connection request
from any requesting IP address.
If DISCONNECT = 0 and a connection does not exist, then a passive
connection can be initiated.
If DISCONNECT = 1 and a connection exists, then a disconnect operation is
initiated. This allows your program to control when a connection is accepted.
Whenever this input is enabled, no other operation will be attempted.
CONNECT_ID IN UInt CONNECT_ID uniquely identifies each connection within the PLC. Each
unique instance of the MB_CLIENT or MB_SERVER instruction must contain a
unique CONNECT_ID paraer. Default value = 502: The IP port number that identifies the IP port that will be
monitored for a connection request from a Modbus client.
These TCP port numbers are not allowed for a MB_SERVER passive
connection: 20, 21, 25, 80, 102, 123, 5001, 34962, 34963, and 34964.
MB_HOLD_REG IN_OUT Variant Pointer to the MB_SERVER Modbus holding register: The holding register
must either be a standard global DB or a M memory address. This memory
area is used to hold the values a Modbus client is allowed to access using
Modbus register functions 3 (read), 6 (write), and 16 (write).
NDR OUT Bool New Data Ready: 0 = No new data, 1 = Indicates that new data has been
written by a Modbus client
DR OUT Bool Data Read: 0 = No data read, 1 = Indicates that data has been read by a
Modbus client.
ERROR OUT Bool The ERROR bit is TRUE for one scan, after MB_SERVER execution was
terminated with an error. The error code value at the STATUS paraer is
valid only during the single cycle where ERROR = TRUE.
STATUS OUT Word Execution condition code
MB_SERVER allows incoming Modbus function codes (1, 2, 4, 5, and 15) to read or write
bits and words directly in the input process image and output process image of the
CPU. For data transfer function codes (3, 6, and 16), the MB_HOLD_REG paraer must
be defined as a data type larger than a byte. The following table shows the mapping of
Modbus addresses to the process image in the CPU. ncoming Modbus message function codes function codes (3, 6, and 16) read or write words
in a Modbus holding register which can be an M memory address range or a data block. The
type of holding register is specified by the MB_HOLD_REG paraer.
Note
MB_HOLD_REG paraer assignment
The Modbus Holding Register can be in a standard global DB or a M memory address.
For A Modbus holding register in M memory, use the standard Any Pointer format. This is in
the format P#"Bit Address" "Data Type" "Length". An example would be P#M1000.0 WORD
500 The following table shows examples of Modbus address to holding register mapping used for
Modbus function codes 03 (read words), 06 (write word), and 16 (write words). The actual
upper limit of DB addresses is determined by the maximum work memory limit and M
memory limit, for each CPU modelMultiple server connections may be created. This permits a single PLC to establish
concurrent connections to multiple Modbus TCP clients.
A Modbus TCP server can support concurrent connections up to the maximum number of
Open User Communications connections allowed by the PLC. The total number of
connections for a PLC, including Modbus TCP Clients and Servers, must not exceed the
maximum number of supported Open User Communications connections (Page 424). The
Modbus TCP connections may be shared between Client and/or Server type connections.
Individual server connection must follow these rules:
● Each MB_SERVER connection must use a distinct instance DB.