xiB & xiB-64 - Technical Manual Version 1.06
48
3.9.4.5.
Digital Input – Timing
Typical measured input delay between Digital Input to FPGA Input
Measurements of input delays:
Edge Type
Input Voltage [V]
Typ. delay [μs]
Rising
5
1.6
Rising
10
1.7
Falling
5
7.8
Falling
10
10.7
Falling
24
12.7
table 3-30, digital input, timing
Note:
Measured at: Ambient Temperature 25°C
3.9.5.
Optically isolated Digital Output
3.9.5.1.
Optically isolated Digital Output - General info
Item
Parameter / note
Maximal open circuit voltage
24V
Output port type
Open collector NPN
Protection
short-circuit / over-current / Reverse voltage
Protection circuit
PTC Resettable Fuse
Maximal sink current
25mA
Trip current
50mA – self restarting when failure mode current
disconnected
Inductive loads
No
Effect of incorrect output terminal connection
Protected against reverse voltage connection
Maximal output dropout
1.7V, sink current 25mA
Number of outputs
1
Strobe output mapping
Yes
table 3-31, Optically isolated digital output, general info
3.9.5.2.
Optically isolated Digital Output Delay
Output current
OFF -> ON
ON -> OFF
Note
2mA
0.55 µs
41
µs
V
OUTPUT
=5V, T
AMBIENT
=25°C
5mA
0.6 µs
43
µs
V
OUTPUT
=5V, T
AMBIENT
=25°C
10mA
0.88
µs
51
µs
V
OUTPUT
=11V, T
AMBIENT
=25°C
25mA
1.4
µs
51
µs
V
OUTPUT
=13V, T
AMBIENT
=25°C