BIT MNE Name Description of the standard Event Status Register
0 OPC Operation complete indicates whether an operation is completed or is still pending.
1 QRC Request Control Not implemented. Always set to 0.
2 QYE Query Error
This error will occur when the Message Exchange Protocol is
violated. For example, when a query was sent to the instrument
and subsequently a new command is sent without first having read
the entire response data from the previous query. Also trying to
read data from the PSC-488 without first sending a query to the
instrument will cause this error.
In general a query error is reported because of:
• incorrect query response handling.
• an un terminated or interrupted action.
• a buffer deadlock because the input buffer and output
queue are overflown.
• indefinite response from the PSC-488.
3 DDE
Device Dependent
Error
This error indicates that the PSC-488 could not properly complete
some device specific operations.
4 EXE Execution Error
indicates that a syntactical valid program message is received that
can not be executed due to some device specific conditions.
5 CME Command Error
This error indicates that the instrument detected a syntax or
semantic error.
6 URQ User Request Indicates that the user has requested for a service.
7 PON Power-on
Indicates that the device’s has been turned off and on since the
last time that the register was read or cleared.
14.2.8 DSE
Device Status Enable
This command specifies the bit values of the Device Status Enable Register. This register determines
which events from the Device are summarized in bit 7 of the Status Byte Register. A bit value 1 in the
DSE selects the associated bit in the DSR (Device Status event Register) to be reported in Bit 0 of the
Status Byte Register, the Device Summary Status bit 0.
DSE?
The Device Status Enable query returns a decimal value, which expressed in base 2, reflects the bit
values of Device Status Enable Register. The returned value is a NR1 response data type.
14.2.9 DSR?
The Device event Status Register captures transitions in its condition register. An event bit becomes true
when the associated condition bit makes a logical 0 to 1 or 1 to 0 transition. The command DSR? returns
a decimal value, which expressed in base 2, reflects the bit values of the Device event Status Register.
Execution of this query causes the Device Status Enable Register to be cleared. The returned value is a
NR1 response data type.
page 21 MANUAL May 2008
DELTA ELEKTRONIKA BV PSC SERIES
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