Keithley 2182 User Manual page 211

• Bit B6, User Request (URQ) – A set bit indicates that the LOCAL key on the
Model 2182 front panel was pressed.
• Bit B7, Power ON (PON) – A set bit indicates that the Model 2182 has been turned off
and turned back on since the last time this register has been read.
Figure 12-2
Standard event status register
Bit Position
Event
Decimal Weighting
Value
Note: Bits B8 through B15 are not shown since they are not used.
Value : 1 = Event Bit Set
0 = Event Bit Cleared
*IDN? – Identification Query
Description
The identification code includes the manufacturer, model number, serial number, and
firmware revision levels and is sent in the following format:
KEITHLEY INSTRUMENTS INC., MODEL 2182, xxxxxxx, yyyyy/zzzzz
Where: xxxxxxx is the serial number.
yyyyy/zzzzz is the firmware revision levels of the digital board ROM and display
board ROM.
B7 B6 B5 B4 B3
PON URQ CME EXE DDE
128 64 32 16 8
(2 ) 7 (2 ) 6 (2 ) 5 (2 ) 4 (2 )
0/1 0/1 0/1 0/1 0/1
Events : PON = Power On
URQ = User Request
CME = Command Error
EXE = Execution Error
DDE = Device-Dependent Error
QYE = Query Error
OPC = Operation Complete
Read the identification code
Common Commands
B0
B2 B1
QYE OPC
4 1
3 (2 ) 2 (2 ) 0
0/1 0/1
12-7