Mechanical and Electrical Installation MD380 User Manual
- 44 -
3) Wiring of DO terminal
When the digital output terminal needs to drive the relay, an absorption diode shall be
installed between two sides of the relay coil. Otherwise, it may cause damage to the 24
VDC power supply. The driving capacity is not more than 50 mA.
Do not reverse the polarity of the absorption diode during installation, as shown in Figure
3-11. Otherwise, the 24 VDC power supply will be damaged immediately once there is digital
output.
Figure 3-20 DO terminal wiring diagram
DO
+24 V
CME
COM
Relay
Diode
MD380
To Next Page
Loading...
