Falcon™ 4
-CLHS Series
Technical Specifications
•
67
Input Signals Electrical Specifications
External Inputs Block Diagram
Protection
Current
Limiter
Protection
Current
Limiter
Input 2 (pin 7)
Input 1 (pin 5)
Common Ground (pin 3)
External Input Details
•
Opto-coupled with internal current limit.
•
Single input trigger threshold level
(TTL standard: <0.8V=Logical LOW, >2.4V=Logical HIGH. See
feature).
•
Used as trigger acquisition event, counter or timestamp event, or integration control.
•
User programmable debounce time from 0 to 255µs in 1µs steps.
•
Source signal requirements:
•
Single-ended driver meeting TTL, 12V, or 24V standards (see table below)
•
If using a differential signal driver, only one input can be used due to the shared input
common (see details below)
External Input DC Characteristics
Operating Specification
Minimum
Maximum
Input Voltage
+3 V
+36 V
Input Current
7 mA
11.8 mA
Input logic Low
0.8 V
Input logic High
2.5 V
Absolute Maximum Range before Possible Device Failure
Absolute Ratings
Minimum
Maximum
Input Voltage
–
36 Volts
+36 Volts
Summary of Contents for Falcon 4-CLHS Series
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