GW Instek PEL-3000 Series Programming Manual - Manual (Page 174)

PEL-3000 Programming Manual
172
-420 Query UNTERMINATED Indicates that a condition causing
an UNTERMINATED Query
error occurred.
-430 Query DEADLOCKED Indicates that a condition causing
an DEADLOCKED Query error
occurred.
-440 Query UNTERMINATED after
indefinite response Indicates that a query was
received in the same program
message after a query requesting
an indefinite response was
executed
Power On Event Commands
-500 Power on The instrument has detected an
off to on transition in its power
supply.
User Request Event
-600 User request The instrument has detected the
activation of a user request local
control.
Request Control Event
-700 Request control The instrument requested to
become the active IEEE 488.1
controller-in-charge.
Operation Complete Event
-800 Operation complete The instrument has completed all
selected pending operations in
accordance with the IEEE 488.2
synchronization protocol.