Hioki BT4560, Instruction Manual, Page: 15 / 62

12
Command Execution Time
Command execution time indicates the time for analyzing and processing long form commands.
•
Display delays may occur depending on the frequency of communication processes and process contents.
• All commands except
*
TRG
and
:INIT
are processed sequentially.
• In communications with the controller, time must be added for data transmission. Transfer time depends on the
controller.
The Transfer time, with start bit 1, data length 8, no parity, and stop bit 1, has a total of 10-bit. When the transfer
speed (baud rate) setting is N bps, the general result will be as follows:
Transfer time T [1 character/sec] = Baud rate N [bps]/10 [bits]
If a measurement value is 11 characters, a 1 data transfer time will be 11/T.
(Example) For 9600 bps, 11/(9600/10) = Approx. 11 ms
Command
Execution time (except communication time) *1
:ADJust? ALL
15 s or less
:FETCh?
4 ms or less
:READ?
Measurement time + 4 ms or less
:LOAD
90 ms or less
:CALibration?
Calibration time + 6 ms or less
*RST
75 ms or less
*1 The values indicate an execution time when the instrument is not under a measurement.
The execution time may increase during a measuremt.
Errors During Communications
An error occurs when messages are executed in the following cases:
• Command Error
When message syntax (spelling) is invalid
When the data format in a command or query is invalid
• Execution Error
When invalid character or numeric data is present