This bidirectional parallel interface is compatible with the IEEE1284 Compatibility and Nibble modes. Contact your dealer for
details.
Pinout for the two modes
Pin number
Direction
7
0
17
~ 0
Note 1) The prefix "n" on the signal name refers to low active signals.
If any of the signal lines listed above is not available on the host, bidirectional communication is not possible.
2) Be sure to use twisted pair wires for each signal line, and connect the return wires to signal ground.
(18)
(36)
13. Parallel Interface
Compatibility mode
In
In/Out
In/Out
In/Out
In/Out
In/Out
In/Out
In/Out
In/Out
Out
Out
Out
Out
Out
Twisted Pair Return
In
Out
In
Compulsion Status
In
nStrobe
Data0
Data
Data
Data
Data
Data
Data
Data7
nAck
Busy
PError
AckDataReq/Data2,6
Select
−
−
Signal GND
Frame GND
+V
Twisted Pair Return
nInit
nFault
nDataAvail/Data0,4
EXT GND
−
nSelectIn
( 1 )
Compatible with
Amphenol 57-30360
(1 9)
- 47 -
Nibble mode
HostClk
Data0
Data
Data
Data
Data
Data
Data
Data7
PtrClk
PtrBusy/Data3,7
Xflag/Data1,5
HostBusy
−
Signal GND
Frame GND
+V
nInit
−
−
−
1284Active