Tektronix Keithley KPCI-488LPA, Быстрый старт, Страница: 7 / 14

KPCI-488LPA GPIB Controller Interface Card Quick Start Guide
KPCI-488LPA-903-01 Rev. B / January 2020
7
GPIB BUS Type Function
Pin
Number Description
24 lines
16 signal lines
8 data lines
1 DIO1
2 DIO2
3 DIO3
4 DIO4
13 DIO5
14 DIO6
15 DIO7
16 DIO8
8 control lines
5 system management lines
5 EOI
9 IFC
10 SRQ
11 ATN
17 REN
3 handshake lines
6 DAV
7 NRFD
8 ground lines
8 NDAC
1 shield drain line 12 SHIELD
7 ground return lines
18 GND
19 GND
20 GND
21 GND
22 GND
23 GND
24
SIGNAL
GROUND
Data lines
DIO1 to DIO8 carry both data and command messages. All commands (and most data) use 7-bit ASCII code.
The 8th bit (DIO8), is either unused or used for parity check.