HELIX CTI-CRYOGENICS On-Board FastRegen Programming And Operation Instructions page 97

On-Board FastRegen Control Module Programming and Operation Instructions
Table B-1: On-Board Module RS-232 Commands (Continued)
Command
VA
VQ
W
Y
Z
@
a
a 2
P/N 8040406
Parameter
[?] Reads first 8 characters of pump serial number.
[?] Reads remaining 3 characters of pump serial number (if any
exist).
None Returns the memory error code. During initialization, 3 mem-
ory areas are checked for errors. The first contains diode cali-
bration constants and use data. The second area contains
regeneration parameters. The third contains history data. A
return character of @ means there were no errors. Bits are set to
indicate errors. The first area will be indicated by setting the LS
bit, second area by bit 1, and third area by bit 2
? Read elapsed time. The units are in hours and expressed as an
integer. The range is up to 65,000 hours.
[?] Read the number of REGEN cycles that have been completed.
None Returns an identifier string indicating module type and software
revision level.
None Read back how long it has been since the last Full regeneration
cycle. The units are in hours.
None Read back how long it has been since the last Fast regeneration
cycle. A Full regeneration will reset both a and a2 to zero. The
units are in hours.
C TI
HELIX TECHNOLOGY CORPORATION
Description
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CRYOGENICS
B-11