Mounting and Installation Instructions
User Manual QT50 Doc ID 1321 version 2.0 Sept. 2018
Page 41 of 62
Digital interface connection
Specifications for IOs are given in chapter 3.9.5, table 8
Caution! The Common input terminal (#1 on X1) is active and has an internal
power supply of 15 V/ 50 mA. Do not attempt to connect an external
supply to this terminal as it can damage the communication interface
box. Digital outputs are passive and need external power supply for
operation of equipment.
Figure 25: Digital connection interface terminals
The digital interface can be used in various control circuits as shown below:
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