Lake Shore 372, Руководство пользователя, Страница: 164 / 214

152 c
HAPTER
6: Computer Interface Operation
Model 372 AC Resistance Bridge and Temperature Controller
6.6.1 Interface
Commands This section lists the interface commands in alphabetical order.

CLS Clear Interface Command
Input
 CLS[term]
Remarks Clears the bits in the status byte register and the Standard Event Status Register, and
terminates all pending operations. Clears the interface, but not the controller. The
related controller command is *RST.

ESE
Event Status Enable Register Command
Input
 ESE <bit weighting>[term]
Format nnn
Remarks Each bit is assigned a bit weighting and represents the enable/disable mask of the
corresponding event flag bit in the Standard Event Status Register. To enable an event
flag bit, send the command

ESE with the sum of the bit weighting for each desired
bit. Refer to section 6.2.5 for a list of event flags.
Example To enable event flags 0, 4, and 7, send the command *ESE 145[term]. 145 is the sum of
the bit weighting for each bit.

Begins common interface command
? Required to identify queries
s[n]
String of alphanumeric characters with length “n.” Send these strings
using surrounding quotes. Quotes enable characters such as commas
and spaces to be used without the instrument interpreting them as
delimiters.
nn… String of number characters that may include a decimal point.
dd
Dotted decimal format, common with IP addresses. Always contains 4
dot separated 3-digit decimal numbers, such as 192.168.000.012.
[term] Terminator characters
<…> Indicated a parameter field, many are command specific.
<state> Parameter field with only on/off or enable/disable states.
<value>
Floating point values have varying resolution depending on the type of
command or query issued.
TABLE 6-7 Interface commands key
Bit Bit weighting Event name
0 1 OPC
2 4 QXE
4 16 EXE
5 32 CME
7 128 PON
Total: 181