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3.4 Hardware Installation
3.4.1 GPIB Connecting
The computer and the measuring instrument are connected with GPIB
(General-Purpose Interface Bus) cable, and the Test Piece will be tested
or trimmed on the computer through GPIB.
Definition of GPIB Pin
Pin
Definition
Pin
Definition
1
Dataline1
13
Dataline5
2
Dataline2
14
Dataline6
3
Dataline3
15
Dataline7
4
Dataline4
16
Dataline8
5
EOI
17
REN
6
DAV
18
Ground
7
NRFD
19
Ground
8
NDAC
20
Ground
9
IFC
21
Ground
10
SRQ
22
Ground
11
ATN
23
Ground
12
Shield
24
Signalground
Restrictions of GPIB:
1.
At most, 15 units of equipment can be connected at the same
time. The total length of connecting cable will be 20m, and the
connecting cable between each equipment is 2m long.
2.
Each piece of equipment will be allocated with a specific position.
3.
Min. 2/3 of equipment will be operating.
4.
The equipment will be connected by non-loop or parallel
method.