16 ETHERNET INSTRUCTIONS
16.1 Open/Close Processing Instructions
1541
16
Opening a connection
GP.OPEN, ZP.OPEN
This instruction establishes (opens) a connection with an external device for data communication.
■
Execution condition
Setting data
■
Description, range, data type
*1 When specifying setting data by using a label, define an array to secure enough operation area and specify an element of the array
label.
Ladder
ST
ENO:=GP_OPEN(EN,U,s1,s2,d);
ENO:=ZP_OPEN(EN,U,s1,s2,d);
FBD/LD
Instruction
Execution condition
GP.OPEN
ZP.OPEN
Operand
Description
Range
Data type
Data type (label)
(U)
GP.OPEN
Start I/O number (first three digits in four-digit
hexadecimal representation) of own station or own
node
00H to FEH
16-bit unsigned binary
ANY16
ZP.OPEN
Start I/O number (first three digits in four-digit
hexadecimal representation) of own station or own
node
00H to FEH
String
ANY16_OR_STRING_
SINGLE
(s1)
Connection No.
1 to 16
16-bit unsigned binary
ANY16
(s2)
Start device of the own station where control data is
stored
Refer to the control data.
Device name
ANY16
(d)
Device of the own station, which turns on for one
scan upon completion of the instruction.
When the instruction completes with an error, (d)+1
also turns on.
Bit
ANYBIT_ARRAY
(Number of elements: 2)
EN
Execution condition
Bit
BOOL
ENO
Execution result
Bit
BOOL
RnCPU RnENCPU
RnSFCPU RnSFCPU
RnPCPU
RnPCPU
(Standard)
(Safety)
(Redundant)
(Process)
(U)
(s1)
(s2)
(d)
EN
ENO
d
U
s1
s2
Summary of Contents for MELSEC iQ-R Series
Page 1: ...MELSEC iQ R Programming Manual Instructions Standard Functions Function Blocks ...
Page 2: ......
Page 24: ...22 INDEX 2092 INSTRUCTION INDEX 2093 REVISIONS 2104 WARRANTY 2105 TRADEMARKS 2106 ...
Page 34: ...32 MEMO ...
Page 35: ...33 PART 1 PART 1 OVERVIEW This part consists of the following chapter 1 OVERVIEW ...
Page 68: ...66 1 OVERVIEW 1 5 Precautions on Programming MEMO ...
Page 1448: ...1446 14 REDUNDANT SYSTEM INSTRUCTIONS 14 2 Disabling Enabling System Switching MEMO ...
Page 1972: ...1970 33 TIME DATA TYPE FUNCTIONS 33 4 Division MEMO ...
Page 2067: ...APPX Appendix 5 PID Control Program Examples 2065 A 252 Set PID control data for loop 2 ...
Page 2109: ......