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13. Parallel Interface
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
Compatibility mode
Nibble mode
1
In
nStrobe
HostClk
2
In/Out
Data0
Data0
3
In/Out
Data1
Data1
4
In/Out
Data2
Data2
5
In/Out
Data3
Data3
6
In/Out
Data4
Data4
7
In/Out
Data5
Data5
8
In/Out
Data6
Data6
9
In/Out
Data7
Data7
10
Out
nAck
PtrClk
11
Out
Busy
PtrBusy/Data3,7
12
Out
PError
AckDataReq/Data2,6
13
Out
Select
Xflag/Data1,5
14
−
HostBusy
15
−
−
16
Signal GND
Signal GND
17
Frame GND
Frame GND
18
Out
+5V
+5V
19 ~ 30
Twisted Pair Return
Twisted Pair Return
31
In
nInit
nInit
32
Out
nFault
nDataAvail/Data0,4
33
EXT GND
−
34
In
Compulsion Status
−
35
−
−
36
In
nSelectIn
1284Active
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.
(19)
(18)
(36)
( 1 )
Compatible with
Amphenol 57-30360