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type 57 micro-ribbon connector. One HP-iB cable is
supplied with each HP computer and calculator I/O card
package. Extra cables may be ordered separately.
HP-iB Cable Mode! No.
Cable Length
10631A
10631B
10631C
1m (3.3 ft.)
2m (6.6 ft.)
4m (13.2 ft.)
NOTE
r
SIGNAL GROUND
24
12
P/O TWISTED PAIR WITH II
23
: 1
P/0 TWISTED PAIR WITH 10
22
10
P/0 TWISTED PAIR WITH 9
21
9
P/0 TWISTED PAIR WITH 8
20
8
P/0 TWISTED PAIR WITH 7
19
7
P/0 TWISTED PAIR WITH 6
18
6
**fREN
17
5
l D108
16
4
0107
15
3
DI06
14
2
DI05
13
1
SHIELO
AIN
SRQ **
IFC
NDAC
NRFO
DAV
EOI XX
0104
0103
0102
0101
NOTE: TYPE 57 MICRO¬
RIBBON CONNECTOR
(AMPHENOL OR
CINCH)
X- SIGNAL GROUND
** NOT PROCESSED BY 5950IB
HP-18 LOGIC LEVELS: GROUND TRUE, TTL COMPATIBLE.
INPUT LEVELS (FROM HP-IB): 1 * TRUE < 0.8V
0= FALSE > 2.0 V
OUTPUT LEVELS (TO HP-IB): I * TRUE = OVDC TO 0.4VDC
0 * FALSE * + 2.5VDC TO + 5VDC
The HP-IB connector supplied with this unit
contains metric fasteners (colored black), if
your HP-IB cable connector contains standard
mating screws (silver), make a conversion using
the hardware and instructions included in Metric
Conversion Kit (5060-0138).
2-19
The HP-IB cables use the same piggyback con¬
nector on both ends. Up to three connectors may be stacked
one upon another. As many as 15 instruments (including
the controller) may be connected to the same HP-IB.
Figure 2-2. HP-IB Connector
are not illustrated on Figure 2-3. These connections depend
upon the particular power supply being programmed and
the type of control desired (output voltage or current).
The connections required to program various HP power
supplies are provided in Section III, paragraph 3-43 through
3-50.
2-22
Setting Addresses
2-20
System Connections
2-21
Figure 2-3 illustrates a controller (e. g., a 9825A
calculator) and a 59501B unit connected to the HP-IB. In
this case, the 98034A interface card provides HP-IB capa¬
bility for the 9825A calculator and is installed in any one
of the three slots in the rear of the calculator. The 98034A
card is equipped with the proper cable and connector to mate
with the HP-IB connector on the rear of the 59501B . Note
that specific connections between the 59501 B's output ter¬
minals and the user's device (e.g. programmable power supply)
2-23
The listen address for the 59501B is selected by
address switches on the rear Of the unit. The switches are
factory set to the suggested listen address of & when the
unit is shipped from the factory. As shown in Figure 2-4,
there are seven address switches. The last two switches,
6 and 7 (XX), are ignored (have no affect). Switches 1,4,
and 5 are set to "0" and switches 2 and 3 are set to "1" to
select a listen address of
Note that
is the suggested
listen address and is one of 31 listen address possibilities.
The address switch settings for each of the 31 listen address
possibilities are listen in Table 2-1.
2-2
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