4 encoder input port, Encoder input port – ADLINK EOS-4000 User Manual
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Introduction
Table 1-12: Trigger Input/Strobe Output Pin Definitions
1.6.4
Encoder Input Port
The EOS-4000 features a 1-CH encoder input on the rear panel,
based on an onboard digital I/O card supporting features as fol-
lows.
Table 1-13: Encoder Input Configurations
Pin
Name
IN/OUT Description
1
Trigger 1
IN
Line/area trigger (TTL) for CH1
2
Trigger 2
IN
Line/area trigger (TTL) for CH2
3
N/A
4
N/A
5
Strobe 1
OUT
Strobe output (TTL) for CH1
6
Strobe 2
OUT
Strobe output (TTL) for CH2
7
N/A
8
N/A
9
+5V
OUT
+5V power source
10
GND
N/A
System digital ground
11
GND
N/A
System digital ground
12
GND
N/A
System digital ground
13
GND
N/A
System digital ground
14
GND
N/A
System digital ground
15
GND
N/A
System digital ground
Encoder Input
Item
Min.
Max.
Test Conditions
Terminal resistor
100Ω
Input common mode voltage
+/-7V
Terminal resistor:
100Ω
Positive input threshold
+0.2V
Negative input low threshold
-0.2V
Input signal frequency
10MHz
Ambient
temperature=25°C