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BVT3000
Bruker BVT3000 User Manual
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56
(67)
B
RUKER
BVT3000
Vers
ion
0
03
Figure
6.
3.
Main
b
oard
-
sheet
3/7
0=V
a
l
v
eo
p
e
n
to
sh
e
et
7
VALVE_EXCH-
EXCHANGE
R
VALVE
11
12
13
10
U37C
4025
EXCH_CONN-
LN2_
EMP
TY
1
2
3
U38A
4001
R64
301K
L
N2
_EM
PT
Y-
3
4
5
6
U37B
4025
1
2
8
9
U37A
4025
from
shee
t
6
HEATER
_RLY
+15
P
PGND
-15P
VCC
VEE
VDD
from
shee
t
2
MUX_
T
C
R59
301K
R62
6.81k
+15P
R60
10M
3
2
1
U54A
LM324
JUMPE
R
R66
100K
R65
10k
R67
4.32k
R46
4.99k
JP
11
+15P
+15P
C53
10uF
C57
10uF
TP21
5
6
7
U54B
LM3
24
21
D4
1N
4148
R38
10K
to
sh
e
et
2
to
sh
e
et
7
SHUTDOWN
OVERHEAT
Power
control
Sh
utdown
LIGHT
OV
ERHEATING
MONI
TOR
LIMITS
HE
ATING
POWER
HEAVY
OVERHEATING
4.5V
8.5V
PLACED:
REMOVED:
TP20
R63
5.11k
6.4V
9.3V
JUMPER
PLACED:
REMOVED:
R61
5.62k
JP1
2
+15P
R70
10K
+15P
EVAPO
RATOR
O
R
EXCHANGER
N2
LEVEL
SEN
SOR
from
sh
eet
7
from
sh
eet
6
HEATER
_CTRL-
EVAP_CTRL-
LN2_EMPTY-
LN2_EMPT
Y-
NIT
ROGEN
LEVEL
M
ONITOR
RESETS
DEFA
UL
T
LATCHES
1
2
ZD7
TVS315
1
2
3
U52A
4001
DEFAULT
S0
4
R0
3
S1
6
R1
7
S2
12
R2
11
S3
14
R3
15
EN
5
Q0
2
Q1
9
Q2
10
Q3
1
U50
4043
+1
5P
21
D3
1N
414
8
to
sh
e
et
6
Enable
Powe
r
to
sh
e
et
7
TP1
4
NO_GAS
POWER_EN-
DEFAULT
21
D6
1N
414
8
21
D5
1N
414
8
R83
10K
TP30
+15P
2
1
D1
1N414
8
5
6
4
U52B
4001
TP1
2
1
2
3
U57A
4081
12
13
11
U52D
4001
8
9
10
U52C
4001
from
sh
eet
6
LN2
OPTION
CONNECTED
from
sh
eet
7
EVAP_CO
NN-
EXCH_CONN-
EXCH_CONN-
from
sh
eet
6
from
sh
eet
7
5
6
4
U38B
4001
R88
511K
HEATE
R
_RLY
LN2_EMPT
Y
+15P
2
5
4
6
7
1
3
U59A
4538
GAS
FLOW
SENSOR
6
3
5
4
1
2
U56A
4013
+15P
1
2
3
4
J6
6410-
04
R41
1K2
1
+1
5P
C74
100uF
R82
22K
1
JP10
BREAKS
UP
HEATING
GAS
FL
OW
MONITOR
R81
10K
10
9
8
U54C
LM32
4
R80
1M
VREF
TP2
7
C42
22uF
R39
10K
21
D2
1N41
48
+15P
R40
10K
Inhibi
t
Gas
Fl
ow
D
etecti
on
when
p
laced
INHIBITS
GA
S
FLOW
DURING
2.5
s
WHEN
EXCHANGER
CONNECTED
+15P
IC
SUPPLIES:
C7
6
4.
7u
35V
LM
324
:
4043,
400
1,
VCC
=
pi
n
14
GND
=
pin
7
VCC
=
pin
16
GND
=
pin
8
VCC
=
pin
4
GND
=
pin
11
4081,
4013,
4538:
4025:
C54
C58
C38
9
X
1
00nF
C56
C60
C62
C37
C73
+1
5P
ART
:
W110
1113
MAIN
BOAR
D
BVT
3x00
C61
DRAWN:
DATE:
APPROV
:
DATE:
DWG:
EC:
VISA
:
VISA
:
SHEET:
E
W4
S11
0278
AKL
10/
02/9
5
PK
10/
02/9
5
3/
7
55
57
Table of Contents
Table of Contents
3
Contents
3
Table of Contents
3
Index
5
1 Description
7
Introduction
7
BVT3000 Main Components
8
Figure 1.1. BVT3000 Block Diagram
8
Parts Location
9
Principle of Operation
9
Figure 1.2. Parts Location
9
The Front Panel
10
Figure 1.3. BVT3000 Front Panel
10
Gas Flow Circuit
11
Figure 1.4. Gas Flow Circuit
11
Setting up the Gas Flow
11
Table 1.1. Flow Rate Versus Command
12
Front Panel Connectors
13
Figure 1.5. Heater Connector (Front View)
13
Heater Connector
13
Table 1.2. Heater Connector Pin Assignment
13
Figure 1.6. Pt100 Connector (Front View)
14
Pt100 Connector
14
Table 1.3. Pt100 Connector Pin Assignment
14
Figure 1.7. Thermocouple Connector (Front View)
15
Table 1.4. Thermocouple T Pin Assignment
15
Thermocouple Connector
15
Figure 1.8. RS232 Male Connector (Front View)
16
RS232 Connector
16
Table 1.5. RS232 Connector Pin Assignment
16
BCU05 Connector
17
Figure 1.10. BCU05 Connector
17
Figure 1.9. N2 Connector (Front View)
17
N2 Connector (Option)
17
Table 1.6. Evaporator Connector Pin Assignment
17
Table 1.7. BCU05 Connector Pin Assignment
17
BVTB 3500 Connector
18
Figure 1.11. BVTB 3500 Connector (Front View)
18
Table 1.8. BVTB 3500 Connector Pin Assignment
18
2 Options
19
Auxiliary Sensors Module - BASM
19
Figure 2.1. BASM Front View
19
Manual Command Module - BMCM
20
Low Temperature Options
20
Figure 2.2. BMCM Front View
20
Liquid Nitrogen Exchanger
21
Exchanger Presentation
21
Liquid Nitrogen Evaporator
22
Evaporator Presentation
22
BCU05 Gas Cooler
23
3 Configuration
25
Sensor Selection
25
Eurotherm 902 Configuration
25
Table 3.1. Eurotherm Sensor Code
26
4 Remote Interface Control
27
Microcontroller Interface
27
Digital Interface Specifications
27
Commands and Communication Protocol
28
Control Characters
28
Table 4.1. Control Characters
28
List of Commands
29
Table 4.2. List of Commands
29
Rs232 Link Characteristics
30
Rs232 Cable
30
Authorised Functions
30
Figure 4.1. RS232 Cable
30
Table 4.3. Authorised Commands
31
AF (Air Flow)
32
CM (Check Memory for Test Only)
33
CO (Communications Speed)
34
Description
34
DL (Download)
35
DT (DAC Check for Test Only)
36
Error Status)
37
Table 4.4. Error Status Description
37
HP (Heater Power)
38
IS (Interface Status)
39
NH (Nitrogen Heater)
40
NP (Nitrogen Heater Power)
41
P1 (Port 1 for Test Only)
42
Table 4.6. Port 1 Definition
42
P2 (Port 2 for Test Only)
43
Table 4.7. Port2 Definition
43
P3 (Port 3 for Test Only)
44
Table 4.8. Port3 Definition
44
Figure 4.2. Valve Jumpers Settings
45
P4 (Port 4 for Test Only)
45
Table 4.9. Port 4 Definition
45
RB (Read BBIS)
46
Software Version)
47
WB (Write BBIS)
48
Table 4.10. Record Format
49
WR (Write Record)
49
XR (Extract a Record)
50
5 Technical Specifications
51
Specifications
51
Security Fuses
52
6 Schematics
53
Figures
63
Tables
65
4
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Bruker BVT3000 Specifications
General
Brand
Bruker
Model
BVT3000
Category
Laboratory Equipment
Language
English
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