Parallel Interface - Intermec EasyCoder 501 XP Installation & Operation Manual

Parallel Interface

1
/. Nibble, byte, ECP and EPP
are presently not supported.
2
/. Intermec Shell automatically
sets the correct STD I/O when
an application is selected, e.g. a
Windows driver.
Intermec EasyCoder 501 XP – Installation & Operation Ed. 4
The EasyCoder 501 XP has – as standard – one parallel Centronics
communication port. Three different types of Centronics devices can
be selected for this port in the compatible mode
Fingerprint instruction SYSVAR(25), see Intermec Fingerprint
7.31 Reference Manual:
Standard type Centronics (default)
Predefi ned timing for the ACK and BUSY signals when responding
to host data is:
500 ns ACK, BUSY inactivated after ACK fi nishes.
IBM/Epson type Centronics
Predefi ned timing for the ACK and BUSY signals when responding
to host data is:
2500 ns ACK, BUSY inactivated as soon as ACK pulse starts.
Classic type Centronics
Predefi ned timing for the ACK and BUSY signals when responding
to host data is:
BUSY deactivated, wait 2500 ns, then give 2500 ns pulse on
ACK.
Select the desired device as standard IN channel by means of a
SETSTDIO statement
Interface Cable Connectors
"centronics:"
Computer end:
Printer end:
2
. By default, "uart1:" is STD I/O.
Depends on type of host computer.
36 pin female IEEE 1284B Centronics.
Pin Signal
1 DStrobe
2–9 Data 0–7
10 Ack
11 Busy
12 PE
13 Select
14 AF
15
16–17 GND
18
19–30 GND
31 Init
32 Error
33-35 GND
36 Selectin
Appendix 3 Interfaces
1
using the Intermec
111