Hioki 9518-02, Instruction Manual

Page: 27 / 86

21
────────────────────────────────────────────────────
4.13 Event Registers
────────────────────────────────────────────────────
Standard event status register (SESR) bit assignments
Bit 7
PON
Power on flag.
When the power is turned on, or on recovery from a power cut, this bit is set to 1.
Bit 6
URQ
User request.
Not used by the 3157.
Bit 5
CME
Command error.
When a command which has been received contains a syntactic or semantic error,
this bit is set to 1.
・ The command is not supported by the 3157.
・ There is a mistake in a program header.
・ The number of data parameters is wrong.
・ The format of the parameters is wrong.
Bit 4
EXE
Execution error.
When for some reason a command which has been received cannot be executed,
this bit is set to 1.
・ The designated data value is outside the set range.
・ The designated data value is not acceptable.
・ Execution is impossible because some other function is being performed.
Bit 3
DDE
Device dependent error.
When a command cannot be executed due to some cause other than a command
error, a query error, or an execution error, this bit is set to 1.
Execution is impossible due to an abnormality inside the 3157.
Bit 2
QYE
Query error.
This bit is set to 1 when a query error is detected by the output queue control.
・ When an attempt has been made to read the output queue when it is empty.
・ When the data overflows the output queue.
・ When data in the output queue has been lost.
Bit 1
RQC
Request for controller authority.
Not used by the 3157.
Bit 0
OPC
Operation terminated.
This bit is set to 1 when an "*OPC" command is executed, when the operation of
all the messages up to the "*OPC" command has been completed.
(2) Standard event status enable register (SESER)
Setting any bit of the standard event status enable register to 1 enables the
corresponding bit of the standard event status register to be accessed.