Signal description – Rena DA615 User Manual
Page 46
Interfaces
\text/etd/DA615\Interfaces
6.2
DA615 instruction manual
Signal description
PIN
Associated
Signal
Signal-
Meaning
GND
Input/Output
________
1
19
STROBE
E
This pulse
(0.5µs)
reports that data
bits are valid
2-9
20-27
DATA 1-8
E
Data bits D0-D7
_____________
10
28
ACKNOWLEDGE
A
Printer report:
data are processed
(ready to receive)
11
29
BUSY
A
Printer report:
data received,
data being pro-
cessed
12
30
PE
(Paper empty)
A
Printer reports to
computer: no
paper
13
--
SELECT
(Online)
A
Signal is high when
printer is on-line
14
--
Autofeed
E
No function, only
for bidirectional
interface
15
--
Free
Free
16
--
GND
GND
17
--
Chassis GND
Chassis GND
18, 35
--
+ 5V
+ 5V over 0.2A Si
19-30
--
GND
GND
____
31
--
INIT
E
Resets printer
_______
32
--
ERROR
A
Signal is low at
printer error
33
--
GND
GND
34
--
Free
Free
36
--
SELECT IN
E
No function, only
for bidirectional
interface