California Instruments 2253iX Manual de instrucciones Pagina 12

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Programming Manual Compact i / iX Series
AMETEK Programmable Power Division 12
1.4.2 USB Capabilities of the AC source
All AC source functions are programmable over the USB interface. The USB capabilities of the
AC source are listed in Chapter 2 of the User's Manual. Some capabilities support on the GPIB
interface such as ATN, GET and SRQ interrupts do not apply to the USB interface. The USB
interface operates internally at a fixed baudrate of 460800 baud but USB 2.0 burst transfer rates
are supported.
To set up the USB interface on a Windows XP PC, refer to section 3.2, “ USB Interface”.
The USB interface may be used to install updated firmware for the power source controller if
needed. Firmware updates and a Flash Loader utility program and instructions are available from
the AMETEK Programmable Power website for this purpose. (www.programmablepower.com
)
Multiple USB connections to same PC:
The Windows driver used to interface to the power source’s USB port emulates a serial com port.
This virtual com port driver is unable to reliable differentiate between multiple units however so
the use of more than one AC power source connected to the same PC via USB is not
recommended. Use of the GPIB interface is recommended for these situations.
1.4.3 RS232 Capabilities of the AC source
Only 2253i and 2253iX models are furnished with a DB9 pin RS232 interface. All AC source
functions are programmable over the RS232 interface. The RS232 capabilities of the AC source
are listed in Chapter 2 of the User's Manual. Some capabilities support on the GPIB interface
such as ATN, GET and SRQ interrupts do not apply to the RS232 interface. The RS232 interface
operates at baudrates between 9600 and 115200 baud.
The RS232 interface may be used to install updated firmware for the power source controller if
needed. Firmware updates and a Flash Loader utility program and instructions are available from
the AMETEK Programmable Power website for this purpose. (www.programmablepower.com
)
1.4.4 LAN Capabilities of the AC source
The –LAN option is only available on iX models. All AC source functions are programmable over
the LAN (Ethernet) interface if the –LAN option is installed. The LAN capabilities of the AC source
are listed in Chapter 2 of the User's Manual. Some capabilities support on the GPIB interface
such as ATN, GET and SRQ interrupts do not apply to the LAN interface. The LAN interface
operates internally at a fixed baudrate of 460800 baud but autodetection of 10Base-T, 100Base-T
and 1000Base-T is supported.
To set up the LAN interface on a Windows XP PC, refer to section 3.3.
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