3.8.3.2.
Digital Input – signal levels
Input levels according IEC 61131-2, Type 1
V-in-min [V]
V-in-max [V]
-3
5
15
table 3-24, digital info, signal levels
Note:
•
Input level Vin represents amplitude of the input signal.
•
Voltage levels referenced to common ground GND
3.8.3.3.
Digital Input – Internal Schematic
Following scheme is internal scheme of Digital Input signal flow inside the camera.
FPGA_INPUT
figure 3-29, digital input, interface schematic
3.8.3.4.
Digital Input – Wiring
Power Supply
MQ Camera
GND (Common IO Ground)
figure 3-30, digital input, interface wiring
xiQ - Technical Manual Version 1.0
State
5
Off (0)
15
Transient
24
On (1)
VCC
GND
Input
I-max [mA]
0.004
4
12
2K
5V6
GND (Common IO Ground)
PLC Device
Common
Output
DIGITAL INPUT
I
INPUT
40