Hettich EBA 21 Repair Instructions

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12.2.4 Circuit diagram supply board (A1)
TR1
Brücke/bridgeR16
120V Version
VDR1 S14K150
120V/10V
Tac ho
Unwucht
imbalance
GND
(Unwucht/imbalance)
Deckel offen-Meldung
lid open message
Verschlußrelais
lid lock relay
Hardware stop
TxD
listen/talk
RxD
FC-Fehler
FC-error
Fehlermeldung vom FC
error message from FC
Tac ho
Hardware-stop
+5V
GND
(-)485-Bus
(+)485-Bus
V
e
r
sc
h
l
u
ß
lid lock
N
e
tz
e
i
n
g
a
n
g
mains input
FC: Frequenzumrichter / frequency converter
0
5V
0
5V
0
5V
0
0
5V
5V
L
N
C1
C2
C3
C4
C5
C6
C7
C8
C9
C10
C11
C12
C13
C14
C15
C16
C17
D1
D2
D3D4
D5
D6
GL1
H2
IC1
GND
IC2
GND
5
IO+
6
IO-
7
RE
2
RO
1
TE
3
TI
4
VCC
8
1
2
3
IC4A
4
5
6
IC4B
9
10
8
IC4C
GND
714
12
OK1D
6
54
OK1T
R1
R2
R3
R4
R5
R6
R7
R8
R9
R10
R11
R12
R13
R14
R15
R16 R17
R18
R19
R20
R21
R22
R23
R24
R25
R26
REL1K
REL1S
T1
T2
TR1""
1
3
8 9
+5V
VDR1
X2.1
X2.2
X2.3
X2.4
X2.5
X2.6
X2.7
X2.8
X2.9
X2.10
X2.11
X2.12
X2.13
X2.14
X2.15
X2.16
X3.1
X3.2
X3.4
X4.2
X4.3
X4.4
X5.1
X5.2
X5.3
X5.4
X5.5
X5.6
X9.1
X9.2
X9.3
X9.4
X9.5
X9.6
X9.7
X9.8
X9.9
X9.10
+Ub
=1
=1
=1
+Ub
+5V+5V +5V
+5V
+5V
+Ub
+5V
+Ub
+Ub
+5V
+5V
+5V
+5V
100nF
47µF
100nF
3,3µF Ta
100nF
100nF
2200µF/35V
10µF/16V
100nF/250V
100nF
10nF
100nF
1nF
1nF
1µF
100nF
1µF
1N4148
1N4007
1N41481N4148
ZPD-5,6
ZPD-5,6
B80C1000
7805C
"VI" "VO"
MAX485
74HC86
74HC86
74HC86
CNY17-4
CNY17-4
100
100
100
4K7
2K2
10K
10K
4K7
4K7
4K7
4K7
4K7
2K2
100R/350V
1M
12K/1.4W 12K/1.4W
10R
100
10K
47
47
1K5
1K5
220
150
RYSB0012
BC327
BC337
230V 10V/250mA
EI30/24
S14-K300

Hettich EBA 21 Specifications

General

Brand	Hettich
Model	EBA 21
Category	Laboratory Equipment
Language	English