Yokogawa Touch Screen GP20 User Manual Page 17
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IM 04L51B01-17EN
Commands and Responses
1
2
App
Parameters
Parameters are characteristic values that are attached to commands.
Notes on Writing Parameters
• Write parameters in their appropriate order.
• Spaces around and in the middle of parameters are ignored. Exception is the character
strings that users specify.
• You can omit the setting command parameters that do not need to be changed from their
current settings. If you omit parameters, write only the delimiters.
Example: SRangeAI,0001,,,,,1800,0 terminator
• If parameters are omitted and there are multiple delimiters at the end of the command,
those delimiters can be omitted.
Example: SRangeAI,0001,VOLT,2V,,,,terminator -> SRangeAI,0001,VOLT,
2Vterminator
There are two types of parameters: predefined expressions and user-defined character
strings.
How to Write User-Defined Character Strings (Parameters)
• Enclose user-defined character strings in single quotation marks.
Example The command for setting the channel 0001 tag to “SYSTEM1” is shown
below.
STagIO,0001,'SYSTEM1'
• There are two types of user-defined character strings depending on the type of characters
that can be used.
Character Strings Consisting Only of Characters in the ASCII Code Range (0x00 to
0x7f)
In this manual, applicable parameters are indicated with “ASCII.”
Example p3 Tag number (up to 16 characters, ASCII)
You can use alphanumeric characters and some of the symbols. For the ASCII characters
that you can use, see appendix 1.
Character Strings Consisting of Characters in the UTF-8 Code Range
In this manual, applicable parameters are indicated with “UTF-8.”
Example p2 Tag (up to 32 characters, UTF-8)
UTF-8 codes include ASCII codes. You can use UTF-8 characters, including the ASCII
characters above. For the ASCII characters that you can use, see appendix 1.
Delimiters
Commas are used as delimiters.
Sub delimiters
Semicolons are used as sub delimiters.
Terminators
“CR+LF” is used as a terminator, meaning “CR” followed by “LF.” Expressed in ASCII code, it
is 0x0d0x0a.
2.1 Command Transmission and GX20 Responses
- Paperless Recorder 1
- Communication Command 1
- User’s Manual 1
- Introduction 3
- Trademarks 3
- Revisions 3
- How to Use This Manual 4
- Contents 5
- • Signal direction 9
- • Connection example 9
- IM 04L51B01-17EN 10
- • CS-RS 11
- Data transmission control 11
- Data reception control 11
- Connection 12
- • Connecting the Cable 12
- • Signal names 12
- Connecting to the host device 12
- • Four-wire system 13
- • Two-wire system 13
- Serial interface converter 14
- Terminator 14
- 2.1.1 General Communication 15
- 2.1.3 Command Syntax 15
- A Single Command 15
- Command Names 16
- Parameters 17
- Delimiters 17
- Sub delimiters 17
- Terminators 17
- 2.1.4 GX/GP Responses 18
- 2.2 List of Commands 19
- 2.2.2 Output Commands 20
- 2.2.3 Operation Commands 20
- 2.3 Parameters 22
- 2.4 Setting Commands 23
- SRangeAI 27
- SRangeDI 28
- SRangeDO 28
- DO Channel Operation 28
- SMathBasic 33
- Math Action (/MT) 33
- SMatchTimer 41
- Match Time Timer 41
- SEventAct 41
- Event Action 41
- Report Type (/MT) 42
- SRepData 42
- Report Data (/MT) 42
- 2.5 Output Commands 58
- 2.6 Operation 61
- Commands 61
- 2.7 Communication 65
- Control Commands 65
- 2.8 Instrument Information 66
- Output Commands 66
- 2.9 Responses to Commands 67
- 2.9.3 Data Output Response 68
- ASCII Output 68
- Binary Output 69
- Data Block 70
- 2.10 ASCII Output Format 71
- 2.10.7 GX status (FStat) 77
- 2.10.8 Alarm Summary (FLog) 78
- 2.10.10 Event log (FLog) 80
- 2.10.11 Error Log (FLog) 81
- 2.10.18 Web Log (FLog) 88
- 2.10.21 Setting Data (FCnf) 90
- Output Example 92
- Information (_TYP) 94
- Reserved Channel number 98
- 6 bits 10 bits 98
- Configuration 100
- Characters Used in Commands 103
- Appendix 2 Login Procedure 104
- Appendix 105
- Appendix 2 Login Procedure 105
- Medium Files and File Lists 106
- Overview of the FIFO Buffer 108
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