Xantrex Technology XDC manual Remote Analog Operation, Pin Connections, User Line Pins

Remote Operation

Remote Analog Operation

Remote Analog Operation

Analog The analog interface has 2 ports: the user lines and the analog programming lines. Connections The tables below show the function and power flow for each pin on these ports.

The user lines are optically isolated. The output lines are open collector configuration. The input lines are capable of sinking 10mA (with recommended 5V at input) up to a maximum 90mA.

The analog program and monitor lines are fully isolated from the supply output, but not each other. Use precision variable low noise voltage sources for the program lines, and be sure that the program source ground potential is the same as on the analog readback circuitry.

The external analog monitoring circuitry must be high impedance because the onboard V and I readback sources have approximately 300 ohms output impedance.

Connect your program and readback lines to the removable wire clamp connectors marked “user lines” and “program lines” in Figure 4.1. Strip 0.2” (5mm) of insulation from the wires and clamp securely at the appropriate pin. See Table 4.1, Figure 4.1 and Table 4.2 for the location and function of each connector.

Use shielded twisted pairs of 22–24AWG for signal connections.

Pin Connections

Table 4.1 User Line Pins

Pin #	Function	Input/Output
A1	Aux Status Line A	Output
A2	Aux Status Line B	Output
A3	External Trigger 4–12V	Input
A4	Safety Interlock	Input
	(Shutdown) 4–12V
A5	Safety Interlock	Input
	(Shutdown) GND
A6	User Power, 5–12Vdc	Input
A7	User Ground	Input

108 Operating Manual for XDC Series Power Supply