Yokogawa Touch Screen GP20 User Manual download pdf (Page 11)

1-5

IM 04L51B01-17EN

Using Dedicated Commands (General)

App

• CS-RS

Data transmission control

Hardware handshaking is performed between the GX/GP and the PC. When the

CS signal becomes False while sending data to the PC, the GX/GP stops the data

transmission. When the CS signal becomes True, the GX/GP resumes the data

transmission. The “X-OFF” and “X-ON” signals are treated as data.

Data reception control

The operation is the same as with XON-RS.

Note

• The PC program must be designed so that the received buffers of both the GX/GP and the PC

do not become full.

• If you select XON-XON, send the data in ASCII format.

1.2 Operations over the Serial Interface

1 2 ... 6 7 8 9 10 11 12 13 14 15 16 ... 109 110

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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Yokogawa Touch Screen GP20 User Manual Page 11

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