MKS Device Dependent Messages Cha
ter Seven: IEEE-488 Communications O
tion
122
Trip Point Messages (
Continued
)
Function Message
Trip Point Channel
Command
Shortcut command
Query:
Shortcut query:
:control:relay
A or B
:trip (@
tp chan
)
:cont:rela
A or B
:trip (@
tp chan
)
:control:relay
A or B
:trip?
:cont:rela
A or B
:trip?
where
tp chan
equals:
1 for Channel 1
2 for Channel 2
3 for Channel 3
Latch Mode
Command
Shortcut command
Query:
Shortcut query:
:control:relay
A or B
:latch
state
:cont:rela
A or B
:latch
state
:control:relay
A or B
:latch?
:cont:rela
A or B
:latch?
where
state
equals:
enab for enabled
disa for disabled
Table 34: IEEE-488 Trip Point Messages
Example 1: How To Configure the Trip Point A Value
To set the TP A high value to 900, issue the following command:
:control:relay a:high 900
ENTER
Example 2: How To Set the Trip Point Hysteresis
The trip point hysteresis value is defined as a ± percent of the trip point value and can range from
0 to 10%. Refer to
How To Adjust the Hysteresis,
page 78, for more information.
To change the hysteresis value to 2% for TP B, enter:
:control:relay b:hyst 2
ENTER
Note
The 670 instrument will accept fractional entries with or without the
leading zero. For example, you may enter either “0.1” or “.1” to set the
hysteresis value.
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