Specifications

Confidential
EPSON
TITLE
SHEET
REVISION
NO.
SHEET NEXT
D
TM-U230 series
Specification
(STANDARD)
App.12 App.11
The drive signal waveform generated when the drawer is driven according to the above conditions
is shown in Figure D-1.
t1
×
2 ms
t2
≥
(
t1
×
4)
×
2 ms
ON
OFF
Figure D-1 Drawer Drive Signal Waveform (Formulas D-1 and D-2)
The ON time depends on the specifications of the drawer used. Be sure to check the drawer
specifications and set a suitable time. To use a drawer that does not meet the conditions of
Formulas D-1 and D-2, see the following section.
3) Using a drawer that does not meet the conditions in 2)
Setting the values of t1 and t2 according to the conditions in 2) results in a maximum ON time of
126 ms (0 ≤ t1 ≤ 63), since the setting ranges of t1 and t2 are 0 to 255. To use a drawer that
requires an ON time exceeding 126 ms, the following conditions must be met:
ON time
ON time + OFF time
≤ 0.2 ........................................................... Formula D-3
α: other sequence processing time
NOTE: α is the period when drawer-driving is prohibited from the OFF time until the next ON
time.