Hardware and Connection Setup
M370046-01 5-15
5
Ethernet (ENET) or GPIB Connector (Optional)
The power supply can be programmed from a remote terminal using a
General Purpose Interface Bus (GPIB interface) or Ethernet (ENET). If
you have a GPIB or ENET card, see the XTR 850 Watt GPIB and Ethernet
Interface Option Operating Manual (Part number M370046-06).
The GPIB interface is an 8-bit parallel data bus having a host of bus
commands for synchronization and up to one megabyte data transfer rate.
Use standard IEEE-486, 26 AWG GPIB cable up to 3 metres length.
For connecting the power supply to ENET, use a LAN RJ-45 and RJ-45
STP, Cat 5 cross-cable 9.84 feet (3 m) in length or longer. Use a standard
RJ-45 and RJ-45 cross-cable.
Multiple Power Supply Connections to RS-485 Bus
Up to 30 units may be connected to the RS-485 bus. The first unit (master
unit) connects to the controller via any appropriate port, and the other
units (slave units) are connected with the RS-485 bus via the J6
connector. All units connected together should also have unique
multichannel addresses.
A standard straight-through RJ-45 ethernet network cable can be used to
provide the connection between the power supplies. See Figure 5-13.
Figure 5-13
Multi Power Supply Connection to RS-485 Bus
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