Series 2600 System SourceMeters Reference Manual
Digital I/O Port 10-5
Return to
2600S-901-01 Rev. A / May 2006
Figure 10-2
Digital I/O port configuration
DIGITAL I/O INTERFACE (All Series 2600 Models):
Connector: 25-pin female D
Input/Output pins: 14 open-drain I/O bits
Absolute maximum input voltage: 5.25V
Absolute minimum input voltage: -0.25V
Maximum logic low input voltage: 0.7V @ +850
m
A
Minimum logic high input voltage: 2.1V @ +570
m
A
Maximum source current (flowing out of digital I/O bit): +960
m
A
Absolute Maximum sink current (flowing into digital I/O bit): -11.0A
Maximum Sink Current @ Maximum Logic Low Voltage (0.7V): -5.0mA.
Read by firmware
5.1k
W
Rear panel
100
W
Written by firmware
+5VD
600mA solid state
fuse
DIGITAL I/O pin
(on DIGITAL I/O connector)
GND pin
(on DIGITAL I/O connector)
+5V pin
(on DIGITAL I/O connector)
Controlling digital I/O lines
Although the digital I/O lines are primarily intended for use with a device handler
for limit testing, they can also be used for other purposes such as controlling
external logic circuits. You can control lines either from the front panel or via
remote as follows.
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