42 (67) BRUKER BVT3000 Version 003
Remote interface control
P1 (Port 1 for test only) 4.8.6
This port represents the main status of the BVT3000 unit.
Port 1 is described in the following table
Table 4.6. Port 1 definition
Write
Syntax: EOT0000STXP1 AB ETX BCC
Response
:ACK
Description
: This command allows direct write access to port 1.
Rules
: The first character represents the state of port 1 bits 4 to 7. The se-
cond character represents the state of the bits 0 to 3. The characters are hexade-
cimal.
Read
Syntax: EOT0000P1 ENQ
Response
:STXP1 > ABCD ETX BCC
Description
: Allows direct read access to port 1.
Rules
: A and B are always «0». The third character represents the state of
port 1 bits 4 to 7. The fourth character represents the state of the bits 0 to 3. All
the characters are hexadecimal.
BIT NAME FUNCTION
0 heater 1 = Probe heater is ON
1 aux1 Unused
2 evaporator 1 = LN2 heater is ON (with option)
3 aux2 Unused
4 valve1 1 = Valve 1 open
5 valve2 1 = Valve 2 open
6 valve3 1 = Valve 3 open
7 valve4 1 = Valve 4 open