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Multichannel Operation
TM-XDOP-01XN
4–11
Multichannel Operation
Multichannel Connections
You may remotely control up to 50 power supplies from one programming
interface (RS-232 or GPIB) by using multichannel addressing if the CANbus
option is installed.
One power supply will be connected to a PC via RS-232 or GPIB. All other power
supplies are connected via CANbus (Controller Area Network) to that unit. SCPI
commands that include a channel address will be sent via the CANbus to the other
power supplies. (Commands with the local address will be executed locally and
will not be sent).
The multichannel address must be appended to the program mnemonic. If no
multichannel address is appended to the program mnemonic, the command is
executed by the local (directly connected) power supply.
Each unit of the network can send and receive commands to and from other units
on the network. It is highly recommended that only one command be sent at a
time. Any RS-232 and GPIB timeout settings should be increased when using
multichannel commands.
CANbus
The CANbus port is a one male, one female DB9 connector to support “daisy
chain” connections. The CAN (Controller Area Network) is an ISO standard
(ISO11898) for a serial communication network. Table 4-5 describes the pin
functions. Pins 1, 4, 8, and 9 are not used. The CANbus is used for
communications in multichannel operation or current sharing (master/slave)
operation, and is part of the optional GPIB/CANbus interface card.
Table 4-5
CANbus Pins
Pin #
Function
1
Not used
2
CANLO
3
Ground
4
Not used
5
Ground
6
Ground
7
CANHI
TM-XDOP-01XN.book Page 11 Monday, July 17, 2006 11:19 AM
Summary of Contents for XDC 10-1200
Page 2: ......
Page 3: ...XDC 6000 Watt and 12000 Watt Series Digital Programmable Power Supply Operating Manual ...
Page 8: ...vi ...
Page 12: ...x ...
Page 22: ...xx ...
Page 24: ...xxii ...
Page 48: ...Installation 2 10 TM XDOP 01XN Figure 2 5 Attaching the AC Input Wires for 6000 Watt units ...
Page 114: ...Operation 3 52 TM XDOP 01XN ...
Page 208: ...A 16 ...
Page 224: ...B 16 ...
Page 259: ...D Error Messages Appendix D lists all the error codes and their meanings ...
Page 268: ...D 10 ...
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