XIMEA xiQ series Technical Manual page 43

Power Supply
MQ Camera
DIGITAL OUTPUT
GND (Common IO Ground)
figure 3-33, Connecting Digital OUTPUT to a NPN-compatible PLC device input (biased)
Important note:
• If using this configuration, take into account that Common Ground connection may be biased by power supply for Digital
Input!
3.8.4.4.2. Connecting Digital OUTPUT to a NPN-compatible PLC device input
This type of connection is possible only when opto-isolated input is used (bidirectional in some cases) or when only one general
opto-isolated input is used.
Output state Output switch state
ON Sourcing current
OFF Relaxing
Power Supply
MQ Camera
DIGITAL OUTPUT
GND (Common IO Ground)
figure 3-34, Connecting Digital OUTPUT to a NPN-compatible PLC device input - more bidirectional inputs used
Note:
• In this case a bidirectional opto-isolated input must be used
Power Supply
MQ Camera
DIGITAL OUTPUT
GND (Common IO Ground)
figure 3-35, Connecting Digital OUTPUT to a NPN-compatible PLC device - single input
xiQ - Technical Manual Version 1.0
PLC Device
Common
Input
Input state
Pull down (energized)
Not energized
PLC Device
Input
Common
PLC Device
IN-
IN+
43