Chroma A620028 - Page 196

Programmable DC Power Supply (with Solar Array Simulation) 62000H Series
Operating & Programming Manual
5-26
Table 5-7
Bit No.
Bit Weight
Description
7
128
Operation Status Register Summary Bit
6 64
Request Service Bit. This bit is set when any
enabled bit of the Status Byte Register has been
set, which indicates it has at least one reason for
requesting service.
5
32
Standard Event Status Register Summary Bit.
4 16
Message Available Bit. This bit is set whenever
there is data available in the output q
ueue, and is
reset when the available data is read.
3-0
Always 0.
2. Standard Event Status Register:
The Standard Event Status Register is frequently used. The
commonly used commands *ESE and *ESR? can be utilized to
program it.
Operation Complete
Queue Error
Device Dependent Error
Execution Error
Command Error
Power On
Read Standard
Event Status
Register by *ESR?
01234567
Set Standard Event
Status Enable
Registor by *ESE
Logical OR
&
&
&
&
&
&
&
&
Summary Message
Event Bit (ESB)
Bit 5 of Status Byte
Register
01234567
Figure 5-2