Et system LAB-SMS/E Series, Manual

Page: 25 / 41

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 reg-
ister 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