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71
Communication Method
8.7 Communication Method
Various messages are supported for controlling the device through the interfaces.
Messages can be either program messages, sent from the PC to the device, or response
messages, sent from the device to the PC.
Message
Program messages
Response message
Command message
Query message
Message types are further categorized as follows.
Program messages
Response message
This device
PC
Message format
Program messages
Program messages can be either command messages or query messages.
(1) Command messages
Instructions to control the instrument, such as to change or reset the instrument settings.
Example:
Instruction to set the range
:ROUT:CLOSE 101
Header portion
Space
Data format
(2) Query messages
Requests for responses relating to results of operation or measurement, or the state of device
settings
Example:
Request for the present measurement range
:ROUT:CLOSE?
Header portion
Question mark
See: "Headers" (p. 72), "Separators" (p. 73), and "Data formats" (p. 74)
8
Communication Function
HIOKI SW1001A961-04
Summary of Contents for SW9001
Page 2: ...HIOKI SW1001A961 04...
Page 42: ...38 Channel Delay Function HIOKI SW1001A961 04...
Page 48: ...44 Scan Measurement Example HIOKI SW1001A961 04...
Page 50: ...46 Checking the Device Status HIOKI SW1001A961 04...
Page 52: ...48 Initialization Settings HIOKI SW1001A961 04...
Page 118: ...114 Sample Programs 3 Select FILE Save All HIOKI SW1001A961 04...
Page 160: ...156 Outline Drawings 12 4 Outline Drawings SW1001 Unit mm Tolerance 0 2 HIOKI SW1001A961 04...
Page 161: ...157 Outline Drawings SW1002 Unit mm Tolerance 0 2 12 Appendix HIOKI SW1001A961 04...
Page 162: ...158 Outline Drawings HIOKI SW1001A961 04...
Page 164: ...160 HIOKI SW1001A961 04...
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