Delta AH500 Programming Manual page 681

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Instruction code

Explanation:

is 1 if users want to open the TCP socket, and S

is the socket number.

2. The operand S

should be either 0 or 1, and the operand S

3. Before using this instruction, users need to use the instruction SOPEN to open the socket. If the

flag related to the connection's being successful is ON, or the flag related to the connection's

having been started is ON, this instruction can be used.

4. If the data is received through the TCP socket, and no error occurs after the instruction is

executed, the data is received, and the flag related to the data's being received is ON. If the data

is received successfully, the flag related to the data's having been received is ON, and the flag

related to the data's being received is OFF. If an error occurs, the error flag is ON.

TCP socket number

5. If the data is received through the UDP socket, and no error occurs after the instruction is

executed, the flag related to the data's being received is ON. After the data is received, the flag

related to the data's having been received is ON. If an error occurs, the error flag is ON.

UDP socket number

Pulse instruction 16-bit instruction (5 steps) 32-bit instruction

： Socket mode

： Socket number

Being receiving the

Being receiving the

Ch a pt er 6 Ap p l i ed I ns t r uc t i ons

Receiving the data through the socket

is 0 if users want to open the UDP socket.

should be within the range between

Having received the

Having received the

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