Martel Electronics 3001 User Manual

Page 47

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For these commands, the detailed command descriptions in section 10 show a

check mark

beside RS-232, but no check mark

beside IEEE-488.

Table 6 - Commands for RS-232 Only

IEEE-488 Message

RS-232 Equivalent

GTL

LOCAL command

GTR

REMOTE command

LLO

LOCKOUT command

i)

Commands for IEEE-488

These are all of the commands except for those used for RS-232 only, as
described above. All commands are transferred over the IEEE-488 as data,
except for the commands LOCAL, REMOTE, and LOCKOUT, which are
implemented per the IEEE Standards as uniline messages.

The detailed command descriptions in section 10 show a check mark T beside
IEEE-488 for these commands.

9.6.2 Command Syntax

The following syntax rules apply to all of the remote commands. Information about the
syntax of response messages is also given.

a)

Parameter Syntax Rules

Table 7 lists the units accepted in command parameters and used in
responses. All commands and units may be entered in upper or lower case.

Table 7 - Units Accepted in Parameters and Used in Responses

Units Meaning

uV

Volts in units of microvolts1

mV

Volts in units of millivolts1

V

Volts in units of volts

kV

Volts in units of kilovolts1

uA

Current in units of microamperes1

mA

Current in units of milliamps1

A

Current in units of amps

Ohm

Resistance in units of ohms

kOhm

Resistance in units of kilohms1

MOhm

Resistance in units of megohms1

cel

Temperature in degrees Celsius

far

Temperature in degrees Fahrenheit

psi

Pressure in pounds per square inch

mmHg

Pressure in millimeters of mercury at 0 °C

inHg

Pressure in inches of mercury at 0 °C

X

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