Open - Panasonic FP7 User Manual

7.2.3 OPEN

• Opens a specified connection.
• CY (SR9) and SD29 are cleared to 0 when this instruction is executed.
(Set when IP address is not established, connection is being processed, or connection is
occupied.)
• Check if "X62: IP address established" is ON before executing the instruction.
 Instruction format
R0 X62
 List of operands
Operand Description
S Specify the device address storing the connection number to be opened or a constant.
 Available devices (●: Available)
16-bit device
Operand
WX WY WR
S ● ● ●
 Processing
• The communication circuit of the connection specified by S is opened.
• When it is already open, it becomes no operation.
• The completion of the open operation can be confirmed by the status (ON) of the clear to
send flag for the master communication or general-purpose communication.
• The open type setting (automatic/manual) is not changed.
• It can be executed when X62: IP address established is ON. If it is OFF when executing the
instruction, an error is set to CY flag and it becomes no operation.
• During the processing of connection, an error is set to CY flag and it becomes no operation.
• When the connection is occupied, it becomes no operation.
 Details of setting parameters
Specify the device address storing the connection number to be opened or a constant.
Setting
Settings
item
S Connection No.
WL WS SD DT LD UM
● ● ●
Specify a connection number.
7.2 IP Address and Connection Setting Instructions
OPEN
32-bit
device
TS TE
WI WO IX
CS CE
U216
S
Real
Integer num- String
ber
K U H SF DF " "
● ●
Index
modifier
●
Setting
range
1 to 216
7-15