MKS 146C - Table 81: Response to a Power up Status Message

Command Messages Cha
p
ter Nine: RS-232 Communications
282
How To Check the Power Up Status
Send a power up status message if the 146 instrument encounters a power up problem. The
response will report the cause; either a configuration, calibration, or memory problem. To query
the power up status enter:
@609
•
?<CR>
•
= represents a blank space
the 146 instrument responds with:
@609
•
:XX <CR>
where
•
= represents a blank space
XX = represents the status, in a hexadecimal number, as described in
Table 81
Response to a Power Up Status Message
Bit Value (in Hexadecimal) Cause

00 No errors
0 01 Bad factory calibration
1 02 Bad user configuration
2 04 Bad zero calibration
3 08 New configuration
4 10 Bad ROM (Read Only memory)
5 20 Bad RAM (Random Access memory)
6 40 Reserved
7 80 Reserved
Table 81: Response to a Power Up Status Message
The response values are additive, so that one response reports all power up problems. The
response consists of two digits; the first digit represents the value of bit 4 through bit 7 and the
second digit represents the value of bit 0 through bit 3. For example, a response of 28
(hexadecimal) indicates that the unit has detected a new configuration (08)
and
a RAM problem
(20). If the zero calibration (04) was lost as well, the response would be 2C (hexadecimal).
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