MKS 670B - Diagnostic Messages; Table 24: RS-232 Diagnostic Messages

RS-232 Messages Cha
p
ter Six: RS-232 Communications O
p
tion
98
Diagnostic Messages
The Diagnostic messages, listed in Table 24, consist of one command (80) to provide diagnostic
information. The <id> field identifies the diagnostic information requested.
Diagnostic Messages
Parameter Entry
Id Data
Response
80 0 = Request Answer Back ? *U*U*U (produces an
alternating bit pattern)
1 = Request Version Number ? Version number
2 = I/O Connector Response 8-bit output
image
?
Produces the 8-bit output
image at the I/O connector
16-bit input image
3 = Report Actual Gain Range ? 0 = x1
1 = x 0.1
2 = x 0.01
Table 24: RS-232 Diagnostic Messages
Example 1: How To Check the Version Number
To check the version number, send the following query:
@801?
ENTER
The 670 instrument will respond with:
@
801X.X
where
X.X
represents the actual version number.
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