BIXOLON SMP690, User Manual

Page: 28 / 60

Rev. 1.04 - 28 -
SMP690/691
※ Operating tem perature and head pulse width (calculation exam ple)
사용 온도 및 구동 전압에 대한
Head Pulse Width
100
110
120
130
140
150
160
170
180
190
200
210
220
230
240
250
260
270
280
290
300
0 5 10 15 20 25 30 35 40 45 50 55 60
Temperature (
℃
)
P
u
ls
e (
u
se
c)
온도
9.5V
5-10-3 Head operation pulse width (actual measurement)
Thermister temperature (
℃
) -5 5 15 25 35 45 55
Vset=9.5V, 100mm/s
Head pulse width (usec) 318 292 266 240 215 188 163
Vset= 8.5V, 90mm/s
Head pulse width (usec) 451 413 376 339 302 265 228
Vset= 7.2V, 70mm/s
Head pulse width (usec) 698 641 582 525 468 410 353
Vset= 5.0V, 35mm/s
Head pulse width (usec) 2360 2165 1970 1776 1581 1387 1192
※
Caution : In order to increase the printing density, adjust the active pulse width to
control the thermal head. If the voltage is too high or pulse width is over the
specified range, the lifespan of the thermal head will be reduced significantly.
5-10-4 Thermister Specifications
- Electrical specifications of thermister
▷
Rating
1) Operating temperature: -40 ~ +125
℃
2) Time constant: 0.5 sec (in the air)
▷
Electrical requirement
1) Resistance, R
25
: 30 kΩ ± 5% (at 25
℃
)
2) B value: 3950 K ± 2%
R
X
=R
25
×EXP{B×(1/T
X
-1/T
25
)}
T
X
(°K) = 273.15 (°K) + Each temperature (
℃
)
T
25
(°K) = 273.15 (°K) + 25 (
℃
) .
Head Pulse Width vs Operating Temperature
Tem
perature