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APPENDIX A ACKNOWLEDGE DATA
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The ScopeMeter returns an <acknowledge> reply after
each command or query. The value indicates correct or
incorrect operation. You always must read this reply to check
for the correct operation and to achieve synchronization
between your program and the RS232 interface of the
ScopeMeter.
<acknowledge>
VALUE MEANING
0 No Error
1 Syntax Error (see Note)
2 Execution Error (see Note)
3 Synchronization Error
4 Communication Error
Note: The ST query may give you additional information.
When the ScopeMeter detects an error during the
execution of a command, it sends the corresponding
<acknowledge> reply, terminates further execution of the
command and will be ready to accept a new command.
Syntax Error
Returned when the command is not understood by the ScopeMeter
for one of the following reasons :
- Unknown header
- Wrong instructions
- Data format of body is wrong, e.g. alpha characters when
decimal data is needed.
Execution Error
Returned when internal processing is not possible because of
one of the following reasons:
- Data out of range
- Conflicting instrument settings
Содержание ScopeMeter 190 Series
Страница 40: ...Page 3 29 Response Syntax acknowledge cr See an example for this command under QUERY PRINT QP...
Страница 42: ...to the ScopeMeter...
Страница 64: ......
Страница 68: ...Resp Count Resp Count 2 PRINT x_divisions X Divisions...
Страница 70: ...PRINT x_step X Step...
Страница 72: ...nb nb ASC MID Resp Resp Count 1 1 ELSE...
Страница 74: ......
Страница 76: ...PRINT SumCheck so far MOD 256 SumCheck1 MOD 256 CLOSE END...
Страница 78: ...END IF...
Страница 80: ...END IF NEXT j...
Страница 83: ...Resp Count Resp Count Sample Bytes...
Страница 93: ...END IF RETURN End example program...
Страница 117: ...overload sample_value This field specifies which value in the trace samples represents the overload value...