Models 2500 and 2502 User’s Manual Triggering 10-9
Output trigger specifications
The Model 2500 can be programmed to output a trigger after various trigger model
actions. See “Trigger model (front panel operation).” The output trigger provides a TTL-
compatible output pulse that can be used to trigger other instruments. The specifications
for this trigger pulse are shown in Figure 10-4. A trigger link line can source 1mA and
sink up to 50mA.
Figure 10-4
Trigger link output pulse specifications
External triggering example
In a simple test system, you may want to close a switching channel and then measure the
current of the DUT connected to that channel. This test system is shown in Figure 10-5,
which uses a Model 2500 to measure 10 DUTs switched by a Model 7011 multiplexer
card in a Model 7001/7002 Switch System.
Figure 10-5
DUT test system
Meter Complete
TTL High
(3.4V Typical)
TTL Low
(0.25V Typical)
10µs
Minumum
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.
120
LINE RATING
50, 60Hz
60 VA MAX
FUSE LINE
630 mAT
(SB)
315 mAT
(SB)
100 VAC
120 VAC
220 VAC
240 VAC
CAT I
MADE IN
U.S.A.
DIGITAL I/O
RS-232
TRIGGER LINK
INPUT
CHANNEL 1
INPUT
CHANNEL 2
VOLTAGE SOURCE
OUTPUT CHANNEL 1
VOLTAGE SOURCE
OUTPUT CHANNEL 2
RATINGS MAX
100V @ 20mA
COMMON
MODE
200V
RATINGS MAX
100V @ 20mA
!
!
IEEE-488
(CHANGE IEEE ADDRESS
WITH FRONT PANEL MENU)
Triax
Cable
HI
1
DUT
#1
2
DUT
#2
10
DUT
#10
Card 1
7011 MUX Card
Model 2500
Test Equipment Depot - 800.517.8431 - 99 Washington Street Melrose, MA 02176
TestEquipmentDepot.com
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