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BVT3000
Bruker BVT3000 User Manual
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58
(67)
B
RUKER
BVT3000
Vers
ion
0
03
Figure
6.
5.
Main
b
oard
-
sheet
5/7
RS232
I
/
O
OPTI
ON
1
:
-
B
OTH
PORTS
USED
-
DC/DC
CONVER
TER
NOT
MOUNTED
-
VCC/GND
AND
+5V/GNDX
SHORTED
TOGETHER
-N
OI
S
O
L
A
T
I
O
N
IS
OL
AT
ED
+5
V
TP3
1
2
6
4
U6
HPR100
JP1
0
fro
m
sh
eet
1
+5V
DGND
CPUVCC
CPUGND
VCC
fro
m
sh
eet
4
CPU
SIGNA
LS
R15
4K75
INTR
VCC
to
sh
eet
4
I
NTERRUPT
RE
QUEST
TO
CPU
11
10
U12E
74HCT1
4
IN
TR
-
VCC
JP4
0
TO
RS2
32
D
RIVER
C15
22uF/
16V
+5
V
+5V
Eurot
her
m
OPTI
ON
2
:
-
ONLY
HOST
PORT
IN
USE
-U
A
R
T
N
O
TM
O
U
N
T
E
D
-
VCC/
GND
AND
+5V/
GNDX
I
SOLATED
-
L
OW
VO
LT
AGE
ISO
LATIO
N
Seri
al
Li
nk
to
sheet
2
R3
392R
C1
10uF
RxD
TxD
MAX_V+
C13
10uF
C9
10uF
C14
100nF
1
62
14
35
11
10
12
9
1
56
8
13
7
14
U5
MAX232
TP4
R8
1K
R9
4K75
+5V
9
8
U12D
74HCT14
CS0
14
CS1
15
CS2
16
RD
24
WR
20
RD
25
WR
21
A0
31
A1
30
A2
29
D0
2
D1
3
D2
4
D3
5
D4
6
D5
7
D6
8
D7
9
ADS
28
RESET
39
XTAL1/
CLK
18
OUT1
38
OUT2
35
IN
TR
PT
33
SOUT
13
RTS
36
DTR
37
SIN
11
DCD
42
DSR
41
CTS
40
RI
43
NC
1
NC
12
NC
23
NC
34
CSOUT
27
DDI
S
26
NC
32
BAUDOUT
17
RCLK
10
XTAL2
19
U16
82C50A
V
CPU
SERI
AL
OUTPUT
VCC
TxD_2
CS50-
RD-
TxD2
WR-
A[
0.
.2]
D[0
..
7]
A
[0..2
]
D[
0.
.7
]
D0
D1
D2
D3
D4
D5
A0
A1
A2
PLCC
VCC
1
24
5
6
U9
4N36
TxD2
TxD1
RxD1
RxD2
TxD
RxD
Co
mm
uni
cation
RxD
Hos
t
DCD
DSR
RXD
R2
392R
5
9
4
8
3
7
2
6
1
11
10
J1
RTS
TXD
CTS
DTR
RI
GND
H2
TxD
MALE
CONNECTOR
C84
C85
C8
6
C87
C2
10uF
R5
4K75
+5
V
R12
1K5
R13
1M
D6
D7
RESET
C21
22pF
C16
47pF
X2
2.457
6M
UART
8000h
-
8
003h
R10
1K
R11
4K75
VCC
+5V
5
6
U12C
74HCT1
4
3
4
U12B
74HCT1
4
4x
100
nF
FRAME
GROUND
to
s
hee
t
4
CPU
SE
RIAL
I
NPUT
RxD2
1
24
5
6
U10
4N36
9
10
8
U1C
74LS
32
UNUSED
PA
RTS
13
12
U12F
74HCT1
4
12
13
11
U1D
74LS
32
I
C
S
UPPLI
ES:
74HC14:
82C50:
VCC
=
pi
n
14
VCC
=
pi
n
44
DGND
=
pi
n
7
DGND
=
pi
n
2
2
BYPASS
CAPA
CITOR
82C50
SUPPLY
C27
100nF
VCC
ART:
W110
1113
MAI
N
B
O
ARD
BVT3x00
DRAWN:
DATE:
APPROV:
DATE:
DWG:
EC:
VISA:
VISA:
SHEET:
E
W4
S
1
1
02
80
AKL
10/0
2/95
PK
10/0
2/95
5/7
57
59
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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