Installation and Configuration

Configure for Multichannel Operation

Setup See Figure 2.10.

1.Connect power supplies to be controlled via the CANbus network. Connect the power supplies in a daisy chain by linking the first power supply to the second using one cable, and then the second to the third using a second cable and the second CAN port. Continue making connections in this fashion until all the power supplies are connected. Terminate the bus at both ends, using the unused CAN ports, with 120 ohm, 1/4 Watt resistors (included) across the CAN HI and CAN LO signals (Pins 1 and 3). See Table 2.2, “CANbus Pins,” on page 36.

2.At least one power supply must be connected to a PC via GPIB for multichannel functionality. Configure each of the power supplies with a unique address, as described in the configuration section. Addresses may be in the range 1 to 50 inclusive. Record the address of each unit for future reference.

3.Turn the power supplies on one at a time.

GPIB

Connection

Figure 2.10Connections for Multichannel Operation

Using

Once the power supplies have been configured and connected, you may power them

Multichannel

on.

Operation

Power supplies controlled via multichannel have full capabilities, including

 

changing REM/LCL modes and calibration.

Any power supply may send multichannel commands, if they are connected to a PC via GPIB.

Release 2.1

37

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Xantrex Technology GPIB-M-XPD, GPIB-M-XHR, GPIB-M-XT, GPIB-M-XFR3, GPIB-M-HPD manual Using, Operation, Multichannel