IEEE-488 Reference
5-93
5.15 :SOURce Subsystem
This subsystem is used to set the logic level (true or false) of each digital output line. The commands for this subsystem are
summarized in Table 5-10.
Table 5-10
SOURce command summary
Command Description
:SOURce
:TTL[1]
[:LEVel] <b>
[:LEVel]?
:TTL2
[:LEVel] <b>
[:LEVel]?
:TTL3
[:LEVel] <b>
[:LEVel]?
:TTL4
[:LEVel] <b>
[:LEVel]?
Digital output line #1.
Set line true (1 or ON) or false (0 or OFF)
Query state of digital output line.
Digital output line #2.
Set line true (1 or ON) or false (0 or OFF)
Query state of digital output line.
Digital output line #3.
Set line true (1 or ON) or false (0 or OFF)
Query state of digital output line.
Digital output line #4.
Set line true (1 or ON) or false (0 or OFF)
Query state of digital output line.
Notes:
1. Brackets ([ ]) are used to denote optional character sets. These optional characters do not have to be included in the pro-
gram message. Do not use brackets ([ ]) in the program message.
2. Angle brackets (< >) are used to indicate parameter type. Do not use angle brackets (< >) in the program message.
3. Upper case characters indicate the short-form version for each command word.
4. At least one space is required between a command word and the parameter.
[:LEVel] <b>
:SOURce:TTL[1]:[LEVel] <b> Control digital output line #1
:SOURce:TTL2:[LEVel] <b> Control digital output line #2
:SOURce:TTL3:[LEVel] <b> Control digital output line #3
:SOURce:TTL4:[LEVel] <b> Control digital output line #4
<b> = 1 or ON Set output line true
= 0 or OFF Set output line false
:sour:ttl <b>
:sour:ttl2 <b>
:sour:ttl3 <b>
:sour:ttl4 <b>
Power-up OFF (all lines)
*RST No effect
:SYSTem:PRESet No effect
Parameters
Short-form
formats
Defaults
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