Get wired - IEEE488 connector, ,

IEEE488 connector

pinout

This page is not maintained any more. Please visit this page

An HP bidirectional parallel printer interface


24 pin Amphenol male connector
Capable of handling 15 devices @ 500 kBps.
The maximum distance = number of devices * 2 meters with an absolute maximum of 20 meter.

The bus consists of one controller and 1 to 15 devices in a daisy chain fashion:

An IEEE 488 device has per device 4 different addresses for Command, Listen, Talk and Secondary.

Pin Name Description Source
1 DIO1 Data Bit 1 Talker
2 DIO2 Data Bit 2 Talker
3 DIO3 Data Bit 3 Talker
4 DIO4 Data Bit 4 Talker
5 EOI End Or Indentity Talker/Controller
6 DAV Data Valid Controller
7 NRFD Not Ready For Data Listener
8 NDAC No Data Accepted Listener
9 IFC Interface Clear Controller
10 SRQ Service Request Talker
11 ATN Attention Controller
12   Shield -
13 DIO5 Data Bit 5 Talker
14 DIO6 Data Bit 6 Talker
15 DIO7 Data Bit 7 Talker
16 DIO8 Data Bit 8 Talker
17 REN Remote Enabled Controller
18   Ground DAV -
19   Ground NRFD -
20   Ground NDAC -
21   Ground IFC -
22   Ground SRQ -
23   Ground ATN -
24   Logical Ground -

Data Lines:

Name Description
DIO1 to DIO8 Data Input Output

Handshake Lines:

Name Description
DAV Data Valid
NRFD Not Ready For Data
NDAC Not Data Accepted

Interface Management Lines:

Name Description
ATN Attention
IFC Interface Clear
REN Remote Enable
SRQ Service Request
EOI End or Identify

Реклама: