1-9
1. OUTLINE OF THE SYSTEM
EO10-33003A
(10) Interface circuit
■
Input circuit
■
Output circuit
■
Signal level
Input voltage :
"H" .. +3V~ + 15V
Output voltage :
"H" .. +6V ~ +13V
"L" ... –3V~ – 15V
Output voltage :
"L" ... –6V ~ –13V
2
Centronics interface
(1) Data input method:
8-bit parallel (DATA 1~8)
(2) Control signals:
ACK, BUSY, PAUSE, DATA; STB, INPUT; PRIME, FAULT, PE
(3) Data input code: ASCII, JIS 8-bit code for European characters, 8-bit code for graphic
(4) Receiving buffer: 5KB
(5) Input/Output circuit configuration and Input/Output conditions
1.5 ELECTRONICS SPECIFICATIONS
SN75189 or equivalent
RD
CTS
DSR
TD
RTS
DTR
SN75188 or equivalent
Fig. 1-5
e
p
y
T
.
e
m
a
N
l
a
n
g
i
S
n
o
i
t
a
r
u
g
i
f
n
o
C
t
u
p
n
I
8
o
t
1
A
T
A
D
E
M
I
R
P
T
U
P
N
I
B
T
S
A
T
A
D
t
u
p
t
u
O
Y
S
U
B
T
L
U
A
F
E
S
U
A
P
K
C
A
E
P
SN7406 or equivalent
+5V
1K
100P
(ACK only)
SN74LS14
or equivalent
1K
+5V
100P
(DATA•STB only)
SN74LS245
or equivalent
1K
+5V
(Uninstalled.)
Logical level (input)
"1" = 2 to 5V
"0" = 0 to 0.4V
Logical level (input)
"1" = 2.4 to 5V
"0" = 0 to 0.4V
Fig. 1-6
Summary of Contents for B-450 SERIES
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Page 5: ...TEC Thermal Printer B 450 QQ SERIES Owner s Manual...
Page 31: ...13 1 EO1 33006 APPENDIX APPENDIX APPENDIX ASCII Code Chart Font Sample Barcode Sample...
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Page 35: ...TEC Label Printer B 450 HS QQ SERIES Owner s Manual...
Page 64: ...13 1 EO1 33019 APPENDIX APPENDIX APPENDIX ASCII Code Chart Font Sample Barcode Sample...
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