Filter
Top Products
E1442A Command Reference 73Chapter 3
Figure 3-1. E1442A Form C Switch Module Status System
+
"OR"
3
4
5
6
"OR"
7
2
1
0
+
Power On
Command Error
Execution Error
Device Dependent Error
Query Error
Operation Complete
EV EN
Status
Byte
Request Service
Output Buffer
Standard Event Register
*SRE <unmask>
*SRE?
*STB?
Status Byte Register
QUE = Questionable Data
NOTE:
MAV = Message Available
ESB = Standard Event
RQS = Request Service
C = Condition Register
EV = Event Register
EN = Enable Register
<128>
<64>
<32>
<16>
<8>
<4>
<2>
<1>
<2>
<128>
<4>
<8>
<16>
<32>
<1>
RQS
ESB
MAV
1
7
6
3
5
4
2
0
unmask examples:
*ESE 61 unmasks standard event register bits 0,
2, 3, 4 and 5 (*ESE 1 only unmasks bit 0).
*SRE 128 unmasks the OPR bit in the status
byte register. This is effective only if the
STAT:ENAB <unmask> command is executed.
(See below)
STAT:OPER:ENAB 256 unmasks bit 8 (Scan Complete)
which can set the OPR bit in the Status Byte.
Operation Complete <256>8
Register
bit
unmask
decimal
weight
+
"OR"
OPR
SRQ
SRQ = Sevice Request
SPOLL
*ESE?
*ESE <unmask>
*ESR?
EN
SRQ ROUTING
handled by your
application
program or
passed to the
controller via
GPIB
User Request
Request Control
Set by *OPC
Related Commands
are *OPC? and *WAI
Set by
Parser
Automatically
Automatically Set at
Power On Conditions
OPR
Bit
Summary
0
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
+
STATus:OPERation:CONDition?
STATus:OPERation:EVENt?
STATus:OPERation:ENABle
CEV EN
Operation Status Register
<32768>
<16384>
<8192>
<4096>
<2048>
<1024>
<512>
<256>
<128>
<64>
<32>
<16>
<8>
<4>
<2>
<1>
"OR"
Scan
Complete
Summary
Bit
OPR = Operation Status
QUE