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8.4 Communication Methods
108
Standard Event Status Register (SESR)
The Standard Event Status Register is an 8-bit register.
If any bit in the Standard Event Status Register is set to 1 (after masking by the
Standard Event Status Enable Register), bit 5 (ESB) of the Status Byte Register
is set to 1.
The Standard Event Status Register is cleared in the following situations:
• When a
CLS
command is executed
• When an event register query (
ESR?
) is executed
• When the instrument is powered on
Event Registers
Bit 7
PON
Power-On Flag
Set to 1 when the power is turned on, or upon recovery from an outage.
Bit 6
User Request
unused
Bit 5
CME
Command Error (The command to the message terminator is ignored.)
This bit is set to 1 when a received command contains a syntactic or semantic error:
• Program header error
• Incorrect number of data parameters
• Invalid parameter format
• Received a command not supported by the instrument
Bit 4
EXE
Execution Error
This bit is set to 1 when a received command cannot be executed for some reason.
• The specified data value is outside of the set range
• The specified setting data cannot be set
• Execution is prevented by some other operation being performed
Bit 3
DDE
Device-Dependent Error
This bit is set to 1 when a command cannot be executed due to some reason other
than a command error, a query error or an execution error.
• Execution is impossible due to an internal instrument fault
Bit 2
QYE
Query Error (the output queue is cleared)
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 an empty output queue (GP-IB only)
• When the data overflows the output queue
• When data in the output queue has been lost
Bit 1
unused
Bit 0
OPC
Operation Complete (GP-IB only)
• This bit is set to 1 in response to an
OPC
command.
• It indicates the completion of operations of all messages up to the
OPC
com-
mand
HIOKI BT3564A961-02
Содержание BT3564
Страница 2: ...HIOKI BT3564A961 02...
Страница 44: ...3 7 Displaying Measurement Results 38 HIOKI BT3564A961 02...
Страница 80: ...4 12 Reset Function 74 HIOKI BT3564A961 02...
Страница 89: ...5 4 Internal Circuitry 83 5 Chapter 5 External Control EXT I O 5 4 Internal Circuitry HIOKI BT3564A961 02...
Страница 98: ...6 3 Printing 92 HIOKI BT3564A961 02...
Страница 170: ...8 8 Sample Programs 164 HIOKI BT3564A961 02...
Страница 182: ...10 3 Error Indication 176 HIOKI BT3564A961 02...
Страница 202: ...Appendix 11 Dimensional Diagram A20 HIOKI BT3564A961 02...
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