BVT3000 Version 003 BRUKER 45 (67)
Authorised functions
P4 (Port 4 for test only) 4.8.9
Port 4 allows the internal status of the BVT3000 to be read and allows the valves
tobesetatPowerOn.
It is composed as follows:
Table 4.9. Port 4 definition
When a jumper is placed in position 1 it means that the valve is open at power on.
Figure 4.2. Valve jumpers settings
Read
Syntax: EOT0000P4 ENQ
Response
:STXP4 >ABCDETXBCC
Description
: Allows direct read access to port 4
Rules
: A and B are always «0». The third character represents the state of
port 3 bits 4 to 7 while the fourth character represents the state of the bits 0 to 3.
All the characters are hexadecimal.
BIT NAME FUNCTION
0 unused
1 unused
2 unused
3 evap_on 1 = evaporator heater on
4V1 jumperJP9
5V2 jumperJP8
6V3 jumperJP7
7V4 jumperJP6
10 10
open
closed