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8-2
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2600AS-901-01 Rev. B / September 2008
Section 8: Digital I/O
Series 2600A System SourceMeter® Instruments Reference Manual
Digital I/O port
The Keithley Instruments Series 2600A System SourceMeter
®
instrument has a digital input/output
port that can be used to control external digital circuitry. For example, a handler that is used to
perform binning operations can be used with a digital I/O port.
Port configuration
The digital I/O port is located on the rear panel and is shown in
. Note that a standard
female DB-25 connector is used with the digital I/O port.
Figure 8-1
Digital I/O port
Connecting cables
Use a cable equipped with a male DB-25 connector (Keithley Instruments part number CA-126-1),
or a Model 2600-TLINK cable to connect the digital I/O port to other Keithley Instruments models
equipped with a Trigger Link (TLINK).
Digital I/O lines
The port provides 14 digital I/O lines. Each output is set high (+5V) or low (0V) and can read high
or low logic levels. Each digital I/O line is an open-drain signal.
+5V output
The digital I/O port provides a +5V output that is used to drive external logic circuitry. Maximum
current output for this line is 600mA. This line is protected by a self-resetting fuse (one hour
recovery time).
UL
C
US
LISTED
SourceMeter
4ZA4
WARNING:
NO INTERNAL OPERATOR SERVICABLE PARTS,SERVICE BY QUALIFIED PERSONNEL ONLY.
WARNING:
NO INTERNAL OPERATOR SERVICABLE PARTS,SERVICE BY QUALIFIED PERSONNEL ONLY.
CAUTION:
FOR CONTINUED PROTECTION AGAINST FIRE HAZARD,REPLACE FUSE WITH SAME TYPE AND RATING.
CAUTION:
FOR CONTINUED PROTECTION AGAINST FIRE HAZARD,REPLACE FUSE WITH SAME TYPE AND RATING.
MADE IN
U.S.A.
IEEE-488
LINE RATING
100-240VAC
50, 60Hz
240VA MAX.
DIGITAL I/O
RS-232
LINE FUSE
SLOWBLOW
3.15A, 250V
LAN
TSP-Link
R
CAT I
S
S
LO LO
HI
HI
G
G
G
G
CHANNEL A
!
!
!
1 = Digital I/O #1
2 = Digital I/O #2
3 = Digital I/O #3
4 = Digital I/O #4
5 = Digital I/O #5
6 = Digital I/O #6
7 = Digital I/O #7
8 = Digital I/O #8
9 = Digital I/O #9
10 = Digital I/O #10
11 = Digital I/O #11
12 = Digital I/O #12
13 = Digital I/O #13
14 = Digital I/O #14
15-21 = Ground
22 = +5V
23 = +5V
24= Output Enable (OE); 2601/2602
24 = Interlock (INT); 2611/2612
25 = +5V
1
14
13
25
DIGITAL I/O
Model 2602A/2612A
WARNING:
NO INTERNAL OPERATOR SERVICABLE PARTS,SERVICE BY QUALIFIED PERSONNEL ONLY.
WARNING:
NO INTERNAL OPERATOR SERVICABLE PARTS,SERVICE BY QUALIFIED PERSONNEL ONLY.
CAUTION:
FOR CONTINUED PROTECTION AGAINST FIRE HAZARD,REPLACE FUSE WITH SAME TYPE AND RATING.
CAUTION:
FOR CONTINUED PROTECTION AGAINST FIRE HAZARD,REPLACE FUSE WITH SAME TYPE AND RATING.
MADE IN
U.S.A.
IEEE-488
LINE RATING
100-240VAC
50, 60Hz
240VA MAX.
DIGITAL I/O
RS-232
LINE FUSE
SLOWBLOW
3.15A, 250V
TSP-Link
R
CAT I
S
S
LO LO
HI
HI
G
G
G
G
CHANNEL A
!
LAN
NO AUTO-MDIX
!
!
CAT I
S
S
LO
LO
HI
HI
G G G
G
CHANNEL B
!
Model 2601A/2611A