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3.5 Communication Methods
3.5 Communication Methods
Various messages are supported for controlling the device through the interfaces.
Messages can be either program messages, sent from the controller such as PC to the
device, or response messages, sent from the device to the controller.
Program Messages
Controller
Response Messages
When issuing commands that contain data, make certain that the data is provided in the specified format.
Program Messages
1. Command Messages and Query Messages
(1) Command Messages
(2) Query Messages
2. Message delimiter (terminator)
Response Messages
1. Response Messages
2. Message delimiter (terminator)
Message types are further categorized as follows
SM7860
Messages
Commands that control the device, for example to configure settings or reset the
device.
Requests for responses relating to results of operation or measurement, or the
state of device settings.
Query commands end with a question (
This device recognizes the following input message delimiters:
CR+LR with EOI
LF with EOI
CR with EOI
EOI
CR+LF
LF
When a query message is received, its syntax is checked and a response mes-
sage is generated.
The following three response message delimiters can be specified with the
"
DLM
" command:
LF (initial setting)
CR+LF
EOI
Program Messages
Response Message
?
) mark.
Command Message
Query Message
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