32.
6.5. Analog Communication Port (User)
The 15-pin female subminiature-D connector labeled “User Port” on the rear of the power supply
lets you connect with control box to control the power supply in analog signal. Definition of 15-pin
female subminiature-D connector is as follows:
Figure 6.4 Connector of user port, 15pin female subminiature-D
Table 6.6 Definition of subminiature-D connector
External 24V is connected to the collector of photo
coupler
Pin 2 shows the reader of output voltage
0 to 10 V for V = 0 to 1000 V
Pin 3 shows the reader of output Power
0 to 10 V for P = 0 to 1.5 kW
Turn on the output power by pulling the pin low
User could adjust regulation by Pin 5
0 to 10 V for P = 0 to 1.5 kW
The return pin for VOUT_A, POUT_A, XPROG_A
Pin 7 shows the on/off state of output
The return pin for PWRON_D
The return pin for OUTPUT_ENABLE_D
PSU
Digital Signal Output
Digital Signal Input
Vcc
Vcc
+15V_ISO
Analog Signal Input
Vcc
+15V_ISO
Analog Signal Output
15-pin D-sub
+15V_ISO