Et system LAB-HP/E Series - Status Word; ESR-Register - Event-Status-Register

Ext. Control: Computer
ET System electronic GmbH 19
Table: Device equipment (according to IEEE-488.1)
SH1
Source Handshake function available
AH1
Acceptor Handshake function available
T6
Talker, Serial Poll, end addressing by MLA
L4
Listener function, end addressing by MTA
SR1
Service request available
RL1
Remote/Local function available
PP0
No parallel poll function
DC1
Device clear function available
DT0
No trigger function
C0
no controller function
E1
Open-collector driver
Status Word
The status word can be read with the command <STB> or <*STB?>. Return value: STB,xxxxxxxx
Table: Reading the status word
Bit
Function
D7
n/a
D6
SRQ is set, if SRQ was requested
D5
ESB is set, if a byte was set within the SES register
D4
MAV is set, if a message is available
D3
n/a
D2
see table
D1
see table
D0
see table
Table: Error messages
D3
D2
D1
D0
Error
0
0
0
1
Syntax
0
0
1
0
Command
0
0
1
1
Range
0
1
0
0
Unit
0
1
0
1
Hardware
0
1
1
0
Read
ESR-Register - Event-Status-Register
The ESR register can be read using the command <*ESR?>. Return value: ESR,xxxxxxxx. After the query, the ESR
register is deleted.
Bit
Function
D7
Power on
D6
Command error
D5
User request
D4
Execution error
D3
Device dependent error
D2
Query error
D1
Request control
D0
Operation complete