Yokogawa Touch Screen GP20 - Manual (Page 5)

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IM 04L51B01-17EN
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Contents
Introduction ................................................................................................................................................ i
How to Use This Manual .......................................................................................................................... ii
Conventions Used in This Manual ............................................................................................................ ii
Chapter 1 Using Dedicated Commands (General)
1.1 Operations over an Ethernet Network .................................................................................1-1
1.1.1 Preparing the Instrument ........................................................................................................1-1
1.1.2 Sending Commands and Receiving Responses ....................................................................1-1
1.2 Operations over the Serial Interface ...................................................................................1-2
1.2.1 Preparing the Instrument ........................................................................................................1-2
1.2.2 Sending Commands and Receiving Responses ....................................................................1-2
1.2.3 RS-232 Connection Procedure ..............................................................................................1-3
1.2.4 RS-422/485 Connection Procedure .......................................................................................1-6
Chapter 2 Commands and Responses
2.1 Command Transmission and GX/GP Responses ...............................................................2-1
2.1.1 General Communication ........................................................................................................2-1
2.1.2 Command Types and Functions ............................................................................................2-1
2.1.3 Command Syntax ...................................................................................................................2-1
2.1.4 GX/GP Responses .................................................................................................................2-4
2.2 List of Commands ...............................................................................................................2-5
2.2.1 Setting Commands .................................................................................................................2-5
2.2.2 Output Commands .................................................................................................................2-6
2.2.3 Operation Commands ............................................................................................................2-6
2.2.4 Communication Control Commands ......................................................................................2-7
2.2.5 Instrument Information Commands ........................................................................................2-7
2.2.6 Conditions for Executing Commands .....................................................................................2-7
2.3 Parameters ..........................................................................................................................2-8
2.3.1 Measuring Range Parameters ...............................................................................................2-8
2.3.2 Parameter Notation and Range .............................................................................................2-8
2.3.3 Specifying a Range ................................................................................................................2-8
2.4 Setting Commands ..............................................................................................................2-9
2.5 Output Commands ............................................................................................................2-44
2.6 Operation Commands .......................................................................................................2-47
2.7 Communication Control Commands .................................................................................2-51
2.8 Instrument Information Output Commands .......................................................................2-52
2.9 Responses to Commands .................................................................................................2-53
2.9.1 Affirmative Response (For commands other than output request commands) ....................2-53
2.9.2 Negative Response ..............................................................................................................2-53
2.9.3 Data Output Response .........................................................................................................2-54
2.9.4 Output in Response to RS-422/485 Commands ..................................................................2-56
2.10 ASCII Output Format .........................................................................................................2-57
2.10.1 Most Recent Channel Data (FData) .....................................................................................2-57
2.10.2 Most Recent (DO Channel) Status (FRelay) ........................................................................2-58
2.10.3 Internal Switch Status (FRelay) ............................................................................................2-59
2.10.4 Users Who Are Currently Logged In (FUser) .......................................................................2-60
2.10.5 All Users Who Are Currently Logged In (FUser) ..................................................................2-61
2.10.6 Instrument Address (FAddr) .................................................................................................2-62
2.10.7 GX status (FStat) .................................................................................................................2-63
2.10.8 Alarm Summary (FLog) ........................................................................................................2-64
2.10.9 Message Summary (FLog) ...................................................................................................2-65
2.10.10 Event log (FLog) ...................................................................................................................2-66
2.10.11 Error Log (FLog) ...................................................................................................................2-67
2.10.12 Address Setting Log (FLog) .................................................................................................2-68
2.10.13 General Communication Log (FLog) ....................................................................................2-69
2.10.14 Modbus Communication Log (FLog) ....................................................................................2-70
2.10.15 FTP Client Log (FLog) ..........................................................................................................2-71
2.10.16 SNTP (Time Adjustment) Client Log (FLog) .........................................................................2-72
2.10.17 E-Mail Client Log (FLog) ......................................................................................................2-73
2.10.18 Web Log (FLog) ...................................................................................................................2-74
2.10.19 External Storage Medium and Internal Memory File List (FMedia) ......................................2-75