Operation
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2.11 Input/Output
Interface
2.11.1 Handler Interface
The 1880 instrument includes as standard a handler interface port for connection to a
component sorter. Connection is via a 9-pin DB9 connector located on the rear panel.
Refer to Table 2-2 for pin numbers and functional description.
Table 2-2: Handler Interface Functions
Pin # Name
Description
1
FAIL-LO
Measured value is lower than LOW LIMIT
2
FAIL-HI
Measured value is higher than HIGH LIMIT
3
PASS
Measured value within limits
4
EOT
End of Test
5
EXT. TRIG
External Trigger Input (low level)
6
+5 VCC
+5 Volt DC supply (500mA, I
MAX
)
7
-
No connection
8
-
No connection
9
GND
Ground
NOTE
Pull-up resistor of approximately 10k
(to +5V, pin 6) may be necessary if not present on
controlling device.
1
5
6
9
Figure 2-5: Handler Interface Connector (rear panel)
EOT
Measure
Time
EXT TRIG
FAIL-HI, FAIL-LO
FAIL-HI, FAIL-LO
or PASS
or PASS
(dependent on measured result)
Start Test
Figure 2-6: Handler Interface Timing Diagram
